OpenAI Codex 0.165.0 released
A feature release adding Google Cloud Vertex AI provider support and GPT-6.1 Terra model, with improved session navigation and memory capabilities.
What changed in 0.165.0
- Google Cloud Vertex AI provider now available via model_provider = "gcp" configuration.
- GPT-6.1 Terra added to model catalogs for use in conversations.
- Session picker gains repository filter and agent command center adds directory grouping for easier navigation across linked worktrees.
- Reasoning effort can now be changed during conversations by default for supported models; memory v2 enabled by default for new profiles with external-agent memory import support.
- Fixed approval reviewer defaults on fresh TUI startup, prevented queued agent messages from restarting after interrupt, and improved MCP tool request handling.
Summarised by AgentGid from OpenAI's official release notes on GitHub, as reported there; read the original before relying on it. Price, status and release dates come from our daily data.
OpenAI Codex at a glance
| What it is | OpenAI's coding agent, offered as an open-source terminal CLI, an IDE extension, a desktop app and a cloud agent that works on repositories. Users sign in with a ChatGPT account or use an OpenAI API key; with an API key… |
|---|---|
| Latest version | 0.166.0, Oct 29, 2026. This page is about an earlier release. |
| Release pace | 8 stable releases in the last 30 days; 0.165.0 came 4 days after the previous one |
| Price | Free + $8/mo. Included in ChatGPT plans: Free $0, Go $8/month, Plus $20/month, Pro from $100/month ($100, $200 or $500 tiers), Business $20/user/month billed annually ($25 monthly), Enterprise … Official pricing ↗ (checked Oct 6, 2026) |
| Live status | Up 6 incidents in the last 30 days on the official status page |
| Usage limit resets | Last reset 3d ago, announced by @thsottiaux on X. All resets |
| Downloads, last 7 days | 27.8M up 15.4% |
| Gid Score | 84 #1 in Terminal coding agents |
OpenAI Codex overview Monthly changelogIs OpenAI Codex down?Usage limitsAlternatives