OpenAI Codex CLI rust-v0.156.1
OpenAI Codex CLI rust-v0.156.1 was released on .
Summary
OpenAI Codex CLI rust-v0.156.1 now lets you choose between two powerful new models, GPT-6 Sol and Luna, with smarter recommendations for your coding workflow. Check the full changelog to see what else improved under the hood.
Release Context
- This was the 95th OpenAI Codex CLI release of 2026 tracked by Havoptic.
- It shipped the same day as OpenAI Codex CLI rust-v0.156.0 (September 22, 2026).
- OpenAI Codex CLI: ships every 1.9 days — 15 releases in the last month.
Why it matters: Pick between GPT-6 Sol and Luna models.
Hello GPT-6 Sol and GPT-6 Luna! ☀️🌖 Better at coding and computer use, so you can build more capable apps and agents. Half the token price of GPT-5.6, and even cheaper per task!… — Romain Huet
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Antigravity CLI v1.2.10 (September 24, 2026)
- Devin Desktop v3.10.35 (September 24, 2026)
- Gemini CLI v0.61.0 (September 23, 2026)
- Claude Code v2.1.281 (September 23, 2026)
- Antigravity CLI v1.2.9 (September 23, 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 - Choose GPT-6 Sol or GPT-6 Luna from the model picker. The rate-limit switch prompt now recommends GPT-6 Luna. (47405) Changelog Full Changelog: https://github.com/openai/codex/compare/rust-v0.156.0...rust-v0.156.1 - 47405 [hotfix 0.156.0] Add GPT-6 Sol and Luna to the model catalog (47332) @imac-oai
Other Recent OpenAI Codex CLI Releases
- rust-v0.155.1 (September 18, 2026)
- rust-v0.155.0 (September 17, 2026)
- python-v0.154.0 (September 10, 2026)
- rust-v0.154.0 (September 9, 2026)
- rust-v0.153.4 (September 4, 2026)
All OpenAI Codex CLI releases · All AI coding tool releases on Havoptic