Change timeline
OpenAI: what changed
100 recorded events. A change to a value that describes our research (not measured, estimated) is a research update, not a change to the product.
Change history
2026-10-03 10 events
Source page changed
OpenAI Codex: the page https://openai.com/codex/ changed since our last read.
Source page changed
GPT-5.4: the page https://openai.com/index/introducing-gpt-5-4/ changed since our last read.
Source page changed
GPT-5.2: the page https://openai.com/index/introducing-gpt-5-2/ changed since our last read.
Source page changed
GPT-5.6: the page https://openai.com/index/gpt-5-6/ changed since our last read.
Source page changed
Microsoft Copilot: the page https://copilot.com/ changed since our last read.
Source page changed
GPT-3: the page https://arxiv.org/abs/2005.14165 changed since our last read.
Source page changed
GPT-2: the page https://openai.com/blog/better-language-models/ changed since our last read.
Source page changed
GPT-4o: the page https://openai.com/index/hello-gpt-4o changed since our last read.
2026-10-02 3 events
Source page changed
GitHub Copilot: the page https://github.com/features/copilot/ changed since our last read.
Source page changed
GitHub Copilot: the page https://github.com/marketplace changed since our last read.
Source page changed
GitHub Copilot: the page https://github.com/trust-center changed since our last read.
2026-09-23 3 events
Research update
GPT-6 Astra: EU data residency stated is now recorded as not measured.
Research update
GPT-6 Astra: Enterprises named as an audience documented (verified).
2026-09-18 2 events
2026-09-14 28 events
Research update
GPT-5.2: Enterprises named as an audience is no longer documented as yes; that value was withdrawn and is now recorded as not measured. This describes our measurement, not a change at the vendor.
Research update
GPT-5.4: Enterprises named as an audience is no longer documented as yes; that value was withdrawn and is now recorded as not measured. This describes our measurement, not a change at the vendor.
Research update
OpenAI o1: EU data residency stated is now recorded as not measured.
Research update
GPT-5.4: EU data residency stated is now recorded as not measured.
Research update
GPT-5.2: Families named as an audience is no longer documented as yes; that value was withdrawn and is now recorded as not measured. This describes our measurement, not a change at the vendor.
Research update
GPT-5.2: EU data residency stated is now recorded as not measured.
Research update
GPT-5.6: EU data residency stated is now recorded as not measured.
Research update
OpenAI Codex: EU data residency stated is now recorded as not measured.
Research update
OpenAI Codex: Human approval required is now recorded as not measured.
Research update
GitHub Copilot: EU data residency stated is now recorded as not measured.
Research update
Microsoft Copilot: EU data residency stated is now recorded as not measured.
Research update
Microsoft Copilot: PCI DSS stated is now recorded as not measured.
Research update
ChatGPT: EU data residency stated is now recorded as not measured.
2026-09-09 1 event
2026-09-08 3 events
Research update
Microsoft Copilot: Small businesses named as an audience is no longer documented as yes; that value was withdrawn and is now recorded as not measured. This describes our measurement, not a change at the vendor.
Research update
GitHub Copilot: Public API is no longer documented as yes; that value was withdrawn and is now recorded as not measured. This describes our measurement, not a change at the vendor.
Research update
GitHub Copilot: GDPR compliance stated is no longer documented as yes; that value was withdrawn and is now recorded as not measured. This describes our measurement, not a change at the vendor.
2026-09-07 29 events
Source page changed
GPT-2: the page https://openai.com/api/ changed since our last read.
Research update
OpenAI o1: SCIM user provisioning is now recorded as not measured.
Research update
OpenAI o1: GDPR compliance stated is now recorded as not measured.
Research update
OpenAI o1: FedRAMP authorisation is now recorded as not measured.
Research update
OpenAI o1: Data processing agreement offered is now recorded as not measured.
Research update
OpenAI o1: Mobile app (iOS or Android) is now recorded as not measured.
Research update
OpenAI o1: On-premises or self-hosted option is now recorded as not measured.
Research update
GPT-1: Data processing agreement offered is now recorded as not measured.
Research update
GPT-1: Mobile app (iOS or Android) is now recorded as not measured.
Research update
GPT-1: On-premises or self-hosted option is now recorded as not measured.
Research update
ChatGPT Atlas: SCIM user provisioning is now recorded as not measured.
Research update
ChatGPT Atlas: GDPR compliance stated is now recorded as not measured.
Research update
ChatGPT Atlas: FedRAMP authorisation is now recorded as not measured.
Research update
ChatGPT Atlas: Data processing agreement offered is now recorded as not measured.
Research update
ChatGPT Atlas: Mobile app (iOS or Android) is now recorded as not measured.
Research update
ChatGPT Atlas: On-premises or self-hosted option is now recorded as not measured.
Research update
ChatGPT: Data processing agreement offered is now recorded as not measured.
Research update
ChatGPT: Mobile app (iOS or Android) is now recorded as not measured.
2026-09-06 21 events
Research update
GitHub Copilot: Public list price is no longer documented as yes; that value was withdrawn and is now recorded as not measured. This describes our measurement, not a change at the vendor.
Research update
GPT-6 Astra: HIPAA compliance stated is now recorded as not measured.
Research update
GPT-6 Astra: SCIM user provisioning is now recorded as not measured.
Research update
GPT-6 Astra: GDPR compliance stated is now recorded as not measured.
Research update
GPT-6 Astra: FedRAMP authorisation is now recorded as not measured.
Research update
GPT-6 Astra: Data processing agreement offered is now recorded as not measured.
Research update
GPT-6 Astra: Mobile app (iOS or Android) is now recorded as not measured.
Research update
GPT-6 Astra: On-premises or self-hosted option is now recorded as not measured.
Research update
GPT-6 Astra: Manufacturing named as a market is now recorded as not measured.
Research update
GPT-6 Astra: Healthcare named as a market is now recorded as not measured.
Research update
GPT-6 Astra: Financial services named as a market is now recorded as not measured.
Research update
GPT-6 Astra: Retail or e-commerce named as a market is now recorded as not measured.
Research update
GPT-6 Astra: Public sector named as a market is now recorded as not measured.
Research update
GPT-6 Astra: Education named as a market is now recorded as not measured.
Research update
GPT-6 Astra: Energy or utilities named as a market is now recorded as not measured.
Research update
GPT-6 Astra: Logistics or supply chain named as a market is now recorded as not measured.