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Fixed a bug in image encoding that degraded image understanding in GPT-6 Sol and GPT-6 Luna

Update2 days agoUnverifiedAdded Sep 26, 2026

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.

Topics: LLMs, Developer tools, Coding agents

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Also shipped on Sep 25, 2026

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