IBM Quantum: what changed.
The recorded research and its supporting evidence.
This is a historical record. Read the current company research →1 evidence source added · axis ratings unchanged
Assessment reviewed 6 Sept 2026 · Research reviewed 7 Sept 2026What changed
- Limitations
- Previously
Exploratory Nighthawk access and capabilities depend on plan and backend; a physics experiment does not establish commercial advantage across applications.
- Now
Access, calibration and dynamic-circuit support depend on the selected plan and backend. The reviewed physics experiment does not establish commercial advantage across applications.
- Research brief
- Previously
None recorded
- Now
Initial technology, access and evidence brief
- Evidence sources
- Sources added (1)
- Evidence claim: IBM Quantum Compute Service changelog
- Previously
January 2026 entries document Nighthawk early access for Premium/Flex and Heron r3 access for paid plans; April entries add Heron r2 to Open Plan. August entries document platform improvements.
- Source title
- IBM Quantum Compute Service changelog
- Source publication date
- Not recorded
- Source type
- technical
- Marked independent
- No
- Now
IBM documents Open Plan Heron access and September 2026 Nighthawk r2 access for Premium, Flex and Pay-As-You-Go, including dynamic-circuit support on ibm_phoenix.
- Source title
- IBM Quantum Compute Service changelog
- Source publication date
- Not recorded
- Source type
- technical
- Marked independent
- No
- Sources retained (1)
Recorded dates use UTC and show when QubitWire saved the comparison. Review dates show the evidence check; neither is a new claim about when the underlying event happened. This view preserves the original research and assessment methodology.