AI Coding change log
Every dated change across AI Coding tools — pricing, plans, releases, platforms, availability, ownership — each linked to the vendor’s own page. Re-checking a value that didn’t move is not a change.
- Last 30 days
- 3518 tools
- 6 pricing and plan changes, 17 releases, 11 availability and platform changes, and 1 ownership or name change
- Last 90 days
- 10124 tools
- 15 pricing and plan changes, 62 releases, 20 availability and platform changes, and 4 ownership and name changes
- On record
- 22326 tools
- Every logged change, each with a first-party receipt
- Pricing & plans
- Releases
- Availability & platforms
- Ownership & names
| Week starting | Changes |
|---|---|
| 17 Aug 2026 | 3 |
| 24 Aug 2026 | 4 |
| 31 Aug 2026 | 6 |
| 7 Sept 2026 | 10 |
| 14 Sept 2026 | 8 |
| 21 Sept 2026 | 12 |
| 28 Sept 2026 | 17 |
| 5 Oct 2026 | 10 |
| 12 Oct 2026 | 13 |
| 19 Oct 2026 | 7 |
| 26 Oct 2026 | 9 |
| 2 Nov 2026 | 0 |
11 changes · newest first · OpenAI Codex profile →
Week 44 · 26 Oct – 1 Nov 20261 of 9 changes · Brief →
- OpenAI CodexRelease
GPT-6.1 Terra becomes available in Codex
GPT-6.1 Terra, a fast model with image understanding and computer use, becomes available in Codex and ChatGPT Work on Plus, Pro, Business, Enterprise and Edu plans.
developers.openai.com
ObservedHigh confidencePublished 26 Oct 2026OpenAI Codex — changeloghttps://developers.openai.com/codex/changelog ↗
Week 42 · 12 Oct – 18 Oct 20261 of 13 changes · Brief →
- OpenAI CodexAvailability
GPT-5.5 retires from Codex for ChatGPT sign-ins
GPT-5.5 is removed from Codex for users signed in with ChatGPT; API-key sessions and the OpenAI API are unaffected, and users are pointed to GPT-6.1 Sol.
developers.openai.com
ObservedHigh confidencePublished 14 Oct 2026OpenAI Codex — changeloghttps://developers.openai.com/codex/changelog ↗
Week 41 · 5 Oct – 11 Oct 20261 of 10 changes · Brief →
- OpenAI CodexRelease
GPT-6.1 Sol Ultrafast arrives in Codex for Pro $500 and eligible Enterprise and Edu
An Ultrafast mode speeds up GPT-6.1 Sol token generation in Codex, limited to the Pro $500 plan and eligible Enterprise and Edu plans (off by default for Enterprise).
developers.openai.com
ObservedHigh confidencePublished 8 Oct 2026OpenAI Codex — changeloghttps://developers.openai.com/codex/changelog ↗
Week 40 · 28 Sept – 4 Oct 20262 of 17 changes · Brief →
- OpenAI CodexRelease
Codex CLI 0.160 adds opt-in Guardian review context and task history browsing
Browse older tasks in the agent command center, start sessions outside a project with workspace defaults, and opt in to Guardian review capabilities that include context from agent handoffs.
github.com
ObservedHigh confidencePublished 1 Oct 2026OpenAI Codex — GitHub releaseshttps://github.com/openai/codex/releases/tag/rust-v0.160.0 ↗ - OpenAI CodexRelease
Codex CLI 0.159 lets new input steer Codex mid-response
Opt-in instant_interrupt lets new input steer Codex during model responses or long-running code-mode calls; new sessions get a compact welcome screen.
github.com
ObservedHigh confidencePublished 29 Sept 2026OpenAI Codex — GitHub releaseshttps://github.com/openai/codex/releases/tag/rust-v0.159.0 ↗
Week 6 · 2 Feb – 8 Feb 20262 changes · Brief →
- OpenAI CodexRelease
OpenAI launches the Codex desktop app for macOS
The Codex app is a macOS desktop interface for running parallel agent threads with worktrees, Git tooling, skills and automations.
developers.openai.com
ObservedHigh confidencePublished 2 Feb 2026OpenAI Codex — changeloghttps://developers.openai.com/codex/changelog ↗ - OpenAI CodexPlans
Codex opens to ChatGPT Free and Go and doubles paid rate limits
For a limited time, Free and Go plans include Codex and paid plans get double rate limits across app, CLI, IDE and cloud.
developers.openai.com
ObservedHigh confidencePublished 2 Feb 2026OpenAI Codex — changeloghttps://developers.openai.com/codex/changelog ↗
Week 44 · 27 Oct – 2 Nov 20251 of 5 changes · Brief →
- OpenAI CodexPricing
Codex adds on-demand credits for ChatGPT Plus and Pro
Plus and Pro users can buy on-demand credits for Codex usage beyond their plan's included limits.
developers.openai.com
ObservedHigh confidencePublished 30 Oct 2025OpenAI Codex — changeloghttps://developers.openai.com/codex/changelog ↗
Week 41 · 6 Oct – 12 Oct 20251 of 2 changes · Brief →
- OpenAI CodexAvailability
Codex becomes generally available
Codex reached general availability, adding @Codex in Slack, the Codex SDK and new admin tools.
developers.openai.com
ObservedHigh confidencePublished 6 Oct 2025OpenAI Codex — changeloghttps://developers.openai.com/codex/changelog ↗
Week 23 · 2 Jun – 8 Jun 20251 of 2 changes · Brief →
- OpenAI CodexAvailability
Codex becomes available to ChatGPT Plus users
OpenAI extended Codex to ChatGPT Plus subscribers and added optional internet access during tasks.
openai.com
ObservedHigh confidencePublished 3 Jun 2025OpenAI — bloghttps://openai.com/index/introducing-codex/ ↗
Week 20 · 12 May – 18 May 20251 of 2 changes · Brief →
- OpenAI CodexRelease
OpenAI launches Codex cloud agent research preview
OpenAI introduced Codex, a cloud software engineering agent powered by codex-1, initially for ChatGPT Pro, Business and Enterprise users.
openai.com
ObservedHigh confidencePublished 16 May 2025OpenAI — bloghttps://openai.com/index/introducing-codex/ ↗