Codex CLI 0.98.0 release notes

Version

0.98.0

Released

5 February 2026

Status

Stable release

What's new in Codex CLI 0.98.0

The official notes for Codex CLI 0.98.0 list 8 changes: 1 new feature, 4 fixes and 3 other changes.

• 1 new feature
• 4 fixes
• 3 other changes

Highlights

• new feature Introducing GPT-5.3-Codex. Learn More
• fix Fixed resumeThread() argument ordering in the TypeScript SDK so resuming with local images no longer starts an unintended new session.
• fix Fixed model-instruction handling when changing models mid-conversation or resuming with a different model, ensuring the correct developer instructions are applied.
• fix Fixed a remote compaction mismatch where token pre-estimation and compact payload generation could use different base instructions, improving trim accuracy…
• fix Restored the default assistant personality to Pragmatic across config and related tests/UI snapshots.

Our short summary: changes are counted and classified automatically from the official notes, and highlights are shortened. The complete, authoritative list is in the official release notes on GitHub.

Full release notes on GitHub (Codex CLI 0.98.0)

All Codex CLI release notes · All releases

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