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COMPANY RESEARCH · Computing hardware

Rigetti Computing

Uses microwave-controlled superconducting qubits to execute quantum circuits. Its Cepheus architecture connects smaller chiplets to form a larger processor.

United States · Research reviewed 7 Sept 2026

Initial record: initial assessment recorded.

Review history 1 record

Record dates use UTC and show when an assessment or clarification was saved. Review dates show the evidence check. Earlier records were recovered from QubitWire’s source history; no earlier score movement is inferred.

Identity & attribution
Organization record
Rigetti Computing (organization-007)
Recorded role
Superconducting gate-model processors with a modular chiplet architecture
Recorded aliases
No aliases recorded in this assessment.
Name and period
No dated name or ownership transition is recorded here. An alias is a search aid, not evidence of a legal ownership relationship.
Product scope
Superconducting gate-model chiplets

A company profile may discuss several systems. Capabilities remain attached to the product and conditions named in each source; they do not transfer automatically to related organizations. A verified security relationship has not been attached to this record.

Report an identity issue →

Evidence updates

New evidence to consider

These source updates add context. QRank scores retain their existing assessment dates.

Rigetti · Issuer-reported device measurements

Rigetti’s August 6 update reports approximately 99.1% median two-qubit gate fidelity for Cepheus-1-108Q, compared with 99.8% and 99.6% for its 9- and 36-qubit configurations. These are issuer-reported measurements for different systems. The smaller-system results cannot be transferred to the 108-qubit processor.

Source checked
Limits, research question & sources

Do not copy a smaller-system median onto the 108-qubit system or substitute a roadmap target for a measured result.

Question to follow: A current device-specific benchmark with gate definition, calibration date and full-device distribution.

Underlying evidence family: https://investors.rigetti.com/news-releases/news-release-details/rigetti-computing-reports-second-quarter-2026-financial-results/. Related announcements do not automatically add independent validation.

Research context

Read the result with its limits

These notes connect sources to the named organization. Published QRank assessments and their review dates remain unchanged.

What the blinded materials study can establish · Controlled materials study

The SQMS report describes a blinded study of 22 transmon qubits fabricated by Fermilab, Rigetti and NIST. Materials characterization was compared with device performance while characterizers were kept unaware of the performance results.

Evidence boundary: Rigetti is a named collaborator and fabricator within the sample. The report does not assign every sample or measured benefit to Rigetti, establish production yield, or demonstrate a causal manufacturing intervention.

Context sources checked
Dates, research question and original sources

This institutional report describes the underlying study; reporting about it is not an additional experiment.

What is being evaluated: Material observations and coherence variation within the reported device sample.

Question to follow: Which controlled changes reproduce the observed relationship across batches and fabrication settings?

Evidence to revisit: A controlled intervention or independent replication with comparable device and measurement conditions.

Underlying research family: SQMS blinded transmon materials study.

Read the related QubitWire analysis →

Four questions for reading company evidence

Missing measurements stay unknown. An award, publication or source count does not substitute for measured performance or change a QRank score.

Company evidence and analysis

Dated company evidence, its limits and the next test to follow. These notes do not change a QRank score.

Rigetti ComputingExisting listed issuer

Sources reviewed 20 Oct 2026. Event dates remain attached to the original evidence.

Announced or reported: Rigetti announced a dedicated Systems Delivery organization while concentrating processor development under its technology organization.

Still conditional: The reorganization’s expected benefits and processor fidelity target remain prospective until measured.

Rigetti’s update is a useful reminder that selling hardware and delivering it repeatedly require different operating capabilities. A new organization chart can assign responsibility, but it cannot demonstrate faster commissioning or better customer uptime. The investor card should therefore translate the change into observable outcomes: installation lead time, accepted systems, service effort and the relationship between customer commitments and delivery capacity. Processor performance remains a separate technical series with a fixed benchmark definition. The next reporting period can be assessed for evidence that the operating change reduced bottlenecks rather than merely moving them between teams. Readers should also look for the costs of field support and manufacturing growth, because commercial adoption can create working-capital and staffing demands before it produces attractive economics. Track the execution outcomes of the reorganization instead of treating the announcement itself as completed scale.

Connect service capacity to accepted systems while measuring recurring cash needs separately. The concrete next evidence is: next quarterly cash-flow statement plus dated customer acceptance and support evidence. A noncash warrant gain can improve accounting loss without funding engineers, installation or equipment. This watch record should change when that evidence changes, with the original event and reporting period preserved so readers can distinguish a new outcome from a refreshed page.

Facts, comparisons and next evidence

At a glance

  • label
    Commercial evidence stage
    value
    Delivery organization and operating cash
  • label
    Catalyst date
    value
    2026-08-19
  • label
    Security treatment
    value
    Nasdaq: RGTI

Dated milestones

  • date
    2026-08-19
    event
    Operational reorganization
    status
    Delivery organization and operating cash
    Remaining condition
    See this card’s remaining-condition panel for the complete unresolved scope.

Cash and revenue boundary

Question
Connect service capacity to accepted systems while measuring recurring cash needs separately.
risk
A noncash warrant gain can improve accounting loss without funding engineers, installation or equipment.
realized or announced
See this card’s announced-fact panel; the complete source-backed state is recorded there once.
still conditional
See this card’s remaining-condition panel; keep its qualifications attached to the fact.

What would change this assessment

Evidence needed
Next quarterly cash-flow statement plus dated customer acceptance and support evidence.
Test
Connect service capacity to accepted systems while measuring recurring cash needs separately.
Limit
A noncash warrant gain can improve accounting loss without funding engineers, installation or equipment.

Basis for comparison

dimensions
  • Cash used in operations
  • acceptance cycle
  • service burden
rule
Compare the same period, currency, instrument or contract status. Unknown values stay blank; no cross-company score is supplied.

Limits and missing evidence

  • A noncash warrant gain can improve accounting loss without funding engineers, installation or equipment.
  • Does demand exceed qualified delivery capacity?
  • Are technical targets being displayed as achieved specifications?

Measures to follow

  • Order-to-acceptance cycle time
  • Accepted deployments and support burden
  • Cash/working capital required per delivery cohort

Documents still needed

  • Customer acceptance dates
  • Manufacturing and field-service cost detail
  • Measured processor benchmark versus stated target

Reporting currency

USD

Reporting period

Delivery organization announced 2026-08-19; supplementary cash-flow evidence for six months ended 2026-06-30
Original sources and scope
  1. Rigetti creates systems delivery organization ↗Source dated 19 Aug 2026

    Reorganization effective Aug18; deployment scale and fidelity target are forward-looking.

  2. Rigetti Form 10-Q for quarter ended June 30, 2026 ↗Source dated 6 Aug 2026

    The six-month cash-flow and warrant-fair-value amounts describe the same reporting interval. A noncash warrant gain is not financing cash.

A hardware order can create a service burden before repeat revenueCompany and financial analysis

The commercial test is whether the next installation becomes easier to deliver and support.

Sources reviewed 20 Oct 2026.

Rigetti announced a dedicated Systems Delivery organization in August 2026, separating delivery responsibilities from its focused processor-development organization. The change gives an identifiable operational subject to follow. Its effectiveness must be measured through later customer outcomes rather than assumed from the organizational announcement. [1]

A quantum hardware sale can involve more than shipping a box. The customer may need site preparation, installation, calibration, training and continued support. The exact scope depends on the product and contract. For business analysis, that creates a useful distinction between an accepted first installation and a repeatable delivery process. A company can demonstrate demand while still learning how to serve it economically.

The first installation often reveals information that is invisible in a product brochure. A customer’s environment, controls or operating procedures may differ from the supplier’s test setup. The important question is whether the resulting engineering work becomes a reusable improvement or remains custom effort for that site. A useful reporting record should preserve the configuration and the changes required to reach acceptance.

The next installation provides a stronger test. If documentation, software and packaging improve, the supplier may reduce commissioning effort while maintaining the same acceptance standard. If the standard becomes weaker, a shorter installation time would not establish progress. This is why quality and effort should be reported together. The comparison should include both supplier and customer work, rather than counting only the hours that happen to be visible to one party.

Support after acceptance matters as well. A system that requires frequent expert intervention can be useful for research but expensive to operate. The business profile should ask how much routine work a trained customer can perform, how quickly failures are diagnosed and whether software updates preserve reproducibility. These questions can be investigated without requesting confidential margins or inventing a cost model. They concern observable operating practice.

The financial interpretation should follow the evidence. An order may indicate demand, an accepted system may support recognition under the relevant contract, and a renewed service arrangement may indicate continued use. Those events should not be collapsed into one adoption count. Where disclosure is limited, report the stage that is established and identify the next stage that would strengthen the commercial case.

A useful visual would group installations into dated cohorts, with rows for shipment, commissioning, acceptance and sustained operation. Add the tested configuration and any disclosed support burden. The goal is to see whether delivery becomes more repeatable as experience accumulates. A rising number of orders is important, but a falling amount of exceptional work per accepted installation would answer a different and highly practical question.

This is how an organizational change becomes a business story worth revisiting. The next update should show whether responsibilities translated into shorter, more reliable delivery at an unchanged standard. If that evidence is absent, the reorganization remains a plan for execution. If it appears, readers gain a concrete reason to view commercialization as progress in an operating process, rather than a sequence of announcements.

Original sources and scope
  1. Rigetti creates systems delivery organization ↗Source dated 19 Aug 2026

    Reorganization effective Aug18; deployment scale and fidelity target are forward-looking.

Rigetti’s warrant gain did not pay the operating billsCompany and financial analysis

A filing can show a narrower accounting loss while the cash-flow statement describes a different funding requirement.

Sources reviewed 20 Oct 2026.

For the six months ended June 30, 2026, Rigetti’s Form 10-Q reports about $19.5 million of net loss and $32.0 million of cash used in operating activities. The filing also reports a $24.1 million gain from changes in warrant-liability fair value for that six-month period. The fair-value gain is not a cash receipt from customers or a warrant exercise. [1]

These figures become easier to read when the income statement and cash-flow statement are treated as connected records with different purposes. Net loss includes expenses and gains under the applicable accounting treatment. Operating cash flow starts with that result and explains adjustments and working-capital movements. A noncash gain can improve the first figure without supplying money for the second. The cash-flow reconciliation is where a reader can see that distinction instead of guessing it from the direction of the headline loss.

Consider an explicitly hypothetical obligation whose accounting value moves with assumptions about a company’s share price. A change in that valuation can alter reported profit or loss even when no customer buys anything and no investor transfers cash. If the obligation is later exercised or settled, that is a different event with its own accounting and cash consequences. Treating the earlier valuation gain as fresh financing would combine two events that may never occur together.

The same discipline applies when a valuation movement makes the reported loss larger: the movement alone does not measure this period’s payments to suppliers.

For a hardware business, operating cash is still only part of the resource picture. Equipment purchases can sit in a different cash-flow category from salaries and ordinary operating payments. Acquisitions, securities transactions and new financing also need their own labels. A useful analysis therefore traces the complete cash movement before discussing a spending rate. Dividing a dated cash balance by one quarter’s accounting loss can produce a neat-looking runway number that ignores noncash adjustments, investment needs and changes in working capital.

It is a model with hidden assumptions, not a disclosed operating horizon.

Delivery adds another layer to the reader’s questions. A system can require engineering, inventory, installation and support before its economic outcome is fully visible. These are questions to investigate in customer and financial disclosures; the warrant gain does not answer them. The relevant evidence would identify accepted systems, payment conditions and the effort required to support another installation. It would also show which costs were exceptional and which are likely to accompany ordinary activity, without assuming that all expenditure remains constant.

The clearest presentation keeps the reporting period fixed and builds a bridge from net loss to operating cash used, retaining the filing’s signs and classifications. Beside it, show investment and financing cash separately. A short note should explain that a noncash gain has no automatic customer-demand meaning. The next filing can then be read against the same structure: did operating cash use change, why did working capital move, and what delivery evidence accompanied it?

This approach makes the business question more precise while avoiding both an inflated interpretation of an accounting gain and a mechanical forecast built from a single period.

Original sources and scope
  1. Rigetti Form 10-Q for quarter ended June 30, 2026 ↗Source dated 6 Aug 2026

    The six-month cash-flow and warrant-fair-value amounts describe the same reporting interval. A noncash warrant gain is not financing cash.

SOURCE REVIEW

Superconducting hardware from chip to access route

Rigetti develops superconducting quantum processors and systems. Its current site offers the Novera QPU and describes the cryogenic and signal-chain infrastructure surrounding the chip.

What this establishes—and its limits

A chip sale, cloud configuration and complete installed system are different access routes. A reported gate fidelity does not alone establish an application advantage.

Evidence to look for next

Check the named processor, calibration date, circuit connectivity and total execution cost for the intended workload.

Sources reviewed . This review does not create or change a QRank assessment.

  1. Rigetti Computing: official overview Company website · Publication date not stated

    Current product and technology description.

TECHNOLOGY & ACCESS

What it does. Where it fits.

Superconducting gate-model chiplets

Who should look closer

Developers testing quantum circuits, researchers studying hardware noise and teams evaluating modular superconducting systems.

QubitWire’s editorial assessment of practical fit.

Cloud access

Cepheus-1-108Q is offered through Rigetti QCS and Amazon Braket. Check the live device properties and current access terms before designing an experiment.

Check the current access route ↗
DOCUMENTED EVIDENCE

What the sources establish

Rigetti launched the 108-qubit system in April 2026. External researchers subsequently measured state transfer across selected routes, finding that favorable paths and uniform reliability are different properties.

What remains unresolved

Physical qubit count and launch gate fidelity do not establish useful circuit depth or fault tolerance. An August 2026 external preprint finds substantial route-dependent performance; its results are specific to the tested conditions.

The next question to watch

Can improved calibration and chip-to-chip performance increase reliable circuit depth across the processor, beyond selected high-performing paths?

A research question, not a promised milestone.

QubitWire coverage

Open research questions

Editorial questions for this profile. No reviewed closure decision has been recorded; unanswered questions do not lower the official score.

Open research question

Can improved calibration and chip-to-chip performance increase reliable circuit depth across the processor, beyond selected high-performing paths?

What evidence would help

A source addressing this question must identify the named system, experiment or deployment, its conditions, measured outcome and remaining limitations. Does the result report errors, circuit depth and a credible classical baseline?

What would resolve it?

An editorial review must explain which part of this question the evidence resolves. A roadmap or an announcement alone does not close it.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence
Open research question

Which named system or service can I use under the documented access route?

What evidence would help

Check the current terms for cloud access. Identify the system version, eligibility, restrictions and whether the result used hardware or simulation.

What would resolve it?

Current primary documentation must identify the offering, eligible user and access conditions. An unspecified company-level access claim is insufficient.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence
Open research question

Can you access the named system today, and under which plan?

What evidence would help

Provide the source location, relevant product or generation, workload, resource constraints and reported uncertainty. Keep measurements, simulations and announced targets distinct.

What would resolve it?

A source reviewer must map the evidence to this exact scope. Missing disclosure remains unknown; it is not technical failure.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence

Questions are drawn from the existing brief and sector reading guide. Research brief reviewed 7 Sept 2026. Following stores a local bookmark; it does not send email alerts or imply a scheduled review.

Since your review

Scope: Rigetti Computing. Reading a page never marks its records reviewed.

Keep a baseline and explicitly mark the evidence you have reviewed. This optional journal stays in this browser.

Existing material records remain available after setup. Routine rechecks and initial entries are excluded from material counts.

From claim to assessment

These are the existing assessment claims and their recorded criterion links. A source link is not an independent replication. New research does not change these published ratings automatically.

Source references in method 1.0 · assessment reviewed 7 Sept 2026
Recorded claim & sourceAssessment linkageProvenance & limits
Source 1

Released Cepheus-1-108Q on QCS and Amazon Braket on April 7, 2026. The launch report states 99.1% median two-qubit gate fidelity; its 99.5% target is prospective.

Rigetti Announces General Availability of 108-Qubit System ↗Published 7 Apr 2026
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Capability

Released hardware has measured gates and an external circuit-routing experiment under declared conditions.

Delivery

Commercial cloud delivery is supported by availability, reservation and calibration documentation.

Published rating inputs remain unchanged.
Organization-originated source

Source type: official. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 7 Sept 2026. Research brief reviewed 7 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Source 2

AWS and Rigetti document a twelve-chiplet processor, on-demand access, reservations, current calibration queries and Braket SDK, CUDA-Q, PennyLane and Qiskit workflows.

Amazon Braket launches Rigetti Cepheus-1-108Q superconducting device ↗Published 1 Jun 2026
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Delivery

Commercial cloud delivery is supported by availability, reservation and calibration documentation.

Integration

Maintained cloud workflows, multiple programming frameworks and Quil tooling provide substantial reusable integration resources.

Published rating inputs remain unchanged.
Organization-originated source

Source type: technical. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 7 Sept 2026. Research brief reviewed 7 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Source 3

External researchers report route-dependent state-transfer tests on Cepheus-1-108Q. Results depend on the chosen paths, calibration snapshot and finite-shot success rule; this is a preprint.

How Far Can You Do Nothing On a Quantum Computer? ↗Published 22 Aug 2026
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Capability

Released hardware has measured gates and an external circuit-routing experiment under declared conditions.

Use in practice

Academic researchers document actual experiments on Cepheus-1-108Q; the study is not yet peer-reviewed.

Published rating inputs remain unchanged.
External source; collaborators may be involved

Source type: paper. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 7 Sept 2026. Research brief reviewed 7 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Source 4

Documents Quil submission, pyQuil and supported QIR, QASM2 and Cirq transpilation pathways.

The Lifecycle of a Program ↗Published Not recorded
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Integration

Maintained cloud workflows, multiple programming frameworks and Quil tooling provide substantial reusable integration resources.

Published rating inputs remain unchanged.
Organization-originated source

Source type: technical. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 7 Sept 2026. Research brief reviewed 7 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Revision and evidence-family boundaries

Record reference: 51b9542b4976f32ec0fe46dfc9a056522ec6e6277a871cc9a82ff070583e1cd8. Read prior recorded revisions.

Repeated coverage can describe the same experiment. The assessment does not contain a reviewed claim-family grouping, so the number of links is never shown as a replication count. Source pages can change independently of this saved assessment; the original source text is not archived here.

CHECK THE ORIGINALS

Sources & evidence

  1. Rigetti Announces General Availability of 108-Qubit System ↗Organization-originated source · 7 Apr 2026

    Released Cepheus-1-108Q on QCS and Amazon Braket on April 7, 2026. The launch report states 99.1% median two-qubit gate fidelity; its 99.5% target is prospective.

  2. Amazon Braket launches Rigetti Cepheus-1-108Q superconducting device ↗Organization-originated source · 1 Jun 2026

    AWS and Rigetti document a twelve-chiplet processor, on-demand access, reservations, current calibration queries and Braket SDK, CUDA-Q, PennyLane and Qiskit workflows.

  3. How Far Can You Do Nothing On a Quantum Computer? ↗External source (may be a collaborator) · 22 Aug 2026

    External researchers report route-dependent state-transfer tests on Cepheus-1-108Q. Results depend on the chosen paths, calibration snapshot and finite-shot success rule; this is a preprint.

  4. The Lifecycle of a Program ↗Organization-originated source · Publication date not stated

    Documents Quil submission, pyQuil and supported QIR, QASM2 and Cirq transpilation pathways.

  5. Rigetti creates systems delivery organization ↗Company primary announcement · 19 Aug 2026

    Rigetti’s update is a useful reminder that selling hardware and delivering it repeatedly require different operating capabilities. A new organization chart can assign responsibility, but it cannot demonstrate faster commissioning or better customer uptime. The investor card should therefore translate the change into observable outcomes: installation lead time, accepted systems, service effort and the relationship between customer commitments and delivery capacity. Processor performance remains a separate technical series with a fixed benchmark definition. The next reporting period can be assessed for evidence that the operating change reduced bottlenecks rather than merely moving them between teams. Readers should also look for the costs of field support and manufacturing growth, because commercial adoption can create working-capital and staffing demands before it produces attractive economics. Track the execution outcomes of the reorganization instead of treating the announcement itself as completed scale.

  6. Rigetti Form 10-Q for quarter ended June 30, 2026 ↗SEC quarterly filing · 6 Aug 2026

    Rigetti’s update is a useful reminder that selling hardware and delivering it repeatedly require different operating capabilities. A new organization chart can assign responsibility, but it cannot demonstrate faster commissioning or better customer uptime. The investor card should therefore translate the change into observable outcomes: installation lead time, accepted systems, service effort and the relationship between customer commitments and delivery capacity. Processor performance remains a separate technical series with a fixed benchmark definition. The next reporting period can be assessed for evidence that the operating change reduced bottlenecks rather than merely moving them between teams. Readers should also look for the costs of field support and manufacturing growth, because commercial adoption can create working-capital and staffing demands before it produces attractive economics. Track the execution outcomes of the reorganization instead of treating the announcement itself as completed scale.

  7. Rigetti second-quarter issuer release ↗Primary technical or issuer source · 6 Aug 2026

    Rigetti’s August 6 update reports approximately 99.1% median two-qubit gate fidelity for Cepheus-1-108Q, compared with 99.8% and 99.6% for its 9- and 36-qubit configurations. These are issuer-reported measurements for different systems. The smaller-system results cannot be transferred to the 108-qubit processor.

  8. Rigetti filed update ↗Primary technical or issuer source · 6 Aug 2026

    Rigetti’s August 6 update reports approximately 99.1% median two-qubit gate fidelity for Cepheus-1-108Q, compared with 99.8% and 99.6% for its 9- and 36-qubit configurations. These are issuer-reported measurements for different systems. The smaller-system results cannot be transferred to the 108-qubit processor.

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