Capability change announced Sep 25, 2026
OpenAI documents a capability change: “Fix · Model: gpt-6-sol · Model: gpt-6-luna Fixed a bug in image encoding that degraded image understanding in GPT-6 Sol and GPT-6 Luna.”
- Hosting route
- First-party API
- Affected scope
- Not stated in the notice
- Announced
- Sep 25, 2026
- First seen by ModelClock
- Oct 3, 2026
What the provider published
developers.openai.com ↗Fix · Model: gpt-6-sol · Model: gpt-6-luna
Fixed a bug in image encoding that degraded image understanding in GPT-6 Sol and GPT-6 Luna. This update improves results on visual tasks in the API and Codex, including computer use.
If your use cases involve image inputs, we recommend rerunning your evaluations and retrying workflows affected by the issue.
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