SourceTier

Change timeline

OpenAI: what changed

64 recorded events. A change to a value that describes our research (not measured, estimated) is a research update, not a change to the product.

2026-09-02 64 events

Research update
GPT-5.1: Healthcare named as a market is now recorded as not measured.
Research update
GPT-5.1: Education named as a market is now recorded as not measured.
Research update
GPT-5.1: Enterprises named as an audience is now recorded as not measured.
Research update
GPT-5.1: Education named as a market documented (verified).
Research update
GPT-5.1: GDPR compliance stated is now recorded as not measured.
Research update
GPT-5.1: FedRAMP authorisation is now recorded as not measured.
Research update
GPT-5.1: Data processing agreement offered is now recorded as not measured.
Research update
GPT-5.1: Mobile app (iOS or Android) is now recorded as not measured.
Research update
GPT-5.1: Audit log of agent actions is now recorded as not measured.
Research update
GPT-5.1: On-premises or self-hosted option is now recorded as not measured.
Research update
GPT-5: Enterprises named as an audience is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: GDPR compliance stated is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: FedRAMP authorisation is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Data processing agreement offered is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Mobile app (iOS or Android) is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Audit log of agent actions is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: On-premises or self-hosted option is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: SCIM user provisioning is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5.1: SCIM user provisioning is now recorded as not measured.
Research update
GPT-5.1: Education named as a market is now recorded as not measured.
Research update
GPT-5.1: Healthcare named as a market documented (verified).
Research update
GPT-5.1: Education named as a market documented (verified).
Research update
GPT-5.1: Enterprises named as an audience documented (verified).
Research update
GPT-5.1: SOC 2 Type II is now recorded as not measured.
Research update
GPT-5.1: ISO/IEC 27001 is now recorded as not measured.
Research update
GPT-5.1: Single sign-on is now recorded as not measured.
Research update
GPT-5.1: HIPAA compliance stated is now recorded as not measured.
Research update
GPT-5.1: Public API is now recorded as not measured.
Research update
GPT-5.1: Manufacturing named as a market is now recorded as not measured.
Research update
GPT-5.1: Financial services named as a market is now recorded as not measured.
Research update
GPT-5.1: Retail or e-commerce named as a market is now recorded as not measured.
Research update
GPT-5.1: Public sector named as a market is now recorded as not measured.
Research update
GPT-5.1: Energy or utilities named as a market is now recorded as not measured.
Research update
GPT-5.1: Logistics or supply chain named as a market is now recorded as not measured.
Research update
GPT-5.1: Small businesses named as an audience is now recorded as not measured.
Research update
GPT-5.1: Remote or hybrid teams named as an audience is now recorded as not measured.
Research update
GPT-5.1: Students named as an audience is now recorded as not measured.
Research update
GPT-5.1: Gaming named as a use is now recorded as not measured.
Research update
GPT-5.1: Creators named as an audience is now recorded as not measured.
Research update
GPT-5.1: Freelancers named as an audience is now recorded as not measured.
Research update
GPT-5.1: Families named as an audience is now recorded as not measured.
Research update
GPT-5: Enterprises named as an audience documented (verified).
GPT-5 · timeline
Research update
GPT-5: SOC 2 Type II is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: ISO/IEC 27001 is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Single sign-on is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: HIPAA compliance stated is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Public API is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Manufacturing named as a market is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Healthcare named as a market is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Financial services named as a market is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Retail or e-commerce named as a market is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Public sector named as a market is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Education named as a market is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Energy or utilities named as a market is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Logistics or supply chain named as a market is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Small businesses named as an audience is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Remote or hybrid teams named as an audience is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Students named as an audience is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Gaming named as a use is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Creators named as an audience is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Freelancers named as an audience is now recorded as not measured.
GPT-5 · timeline
Research update
GPT-5: Families named as an audience is now recorded as not measured.
GPT-5 · timeline
New product
GPT-5 was added to the graph.
GPT-5 · timeline
New product
GPT-5.1 was added to the graph.