OpenAI Codex CLI rust-v0.159.1
OpenAI Codex CLI rust-v0.159.1 was released on .
Summary
OpenAI Codex CLI rust-v0.159.1 now defaults to GPT-6.1 Sol, a more powerful model that works across all your catalogs including Amazon Bedrock. This upgrade brings faster, smarter code suggestions right out of the box. Check the full changelog to see what else improved under t...
Release Context
- This was the 100th OpenAI Codex CLI release of 2026 tracked by Havoptic.
- It shipped 1 day after OpenAI Codex CLI rust-v0.159.0 (September 29, 2026).
- OpenAI Codex CLI: ships every 2.2 days — 17 releases in the last month.
Why it matters: GPT-6.1 Sol Powers Codex by Default Now.
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Claude Code v2.1.286 (September 30, 2026)
- Antigravity CLI v1.2.14 (September 30, 2026)
- Kiro CLI v2.26.0 (September 30, 2026)
- Gemini CLI v0.62.0 (September 29, 2026)
- Claude Code v2.1.285 (September 29, 2026)
Compare OpenAI Codex CLI: vs Claude Code · vs Cursor · vs Gemini CLI · vs Kiro CLI · vs GitHub Copilot CLI · vs Devin Desktop · vs Antigravity CLI · vs Grok Build
Release Notes
New Features - Added GPT-6.1 Sol as the default model in the bundled catalog and Amazon Bedrock Mantle and Runtime catalogs. (49323, 49342) Changelog Full Changelog: https://github.com/openai/codex/compare/rust-v0.159.0...rust-v0.159.1 - 49323 [0.159] Prepare 0.159.1 release backports @andrewgu-oai - 49342 [0.159] Backport GPT-6.1 Sol Bedrock catalogs @celia-oai
Other Recent OpenAI Codex CLI Releases
- rust-v0.158.0 (September 28, 2026)
- rust-v0.157.1 (September 26, 2026)
- rust-v0.157.0 (September 25, 2026)
- rust-v0.156.1 (September 23, 2026)
- rust-v0.156.0 (September 22, 2026)
All OpenAI Codex CLI releases · All AI coding tool releases on Havoptic