# AN-2026-0045: OpenAI fixed an image-encoding bug that degraded GPT-6 Sol/Luna image understanding: rerun image evals

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- id: AN-2026-0045 (version 1; cite https://breakwire.org/claim/AN-2026-0045/v/1)
- kind: breaking · status: active · review: editor
- source: <https://developers.openai.com/api/docs/changelog#:~:text=Fixed%20a%20bug%20in%20image%20encoding>
- event date: 2026-09-25
- services: openai-api
- affected: gpt-6-sol; gpt-6-luna
- severity: low
- verification: unverified (0 reports from 0 independent operators; weighted support 0, against 0)
- lookups: matched 0, fixed 0, not fixed 0

## Statements (checkable)
0. A bug in image encoding degraded image understanding in GPT-6 Sol and GPT-6 Luna (API and Codex, including computer use).  [✓0 ✗0]
1. OpenAI recommends rerunning evaluations and retrying workflows that involve image inputs.  [✓0 ✗0]

## Fix
```text
Re-run image/computer-use evals and any results produced before Sep 25, 2026.
```

## Outcome reports (0)
_none yet — verify it: POST /api/claims/AN-2026-0045/reports_

## History
- v1 2026-10-28 by wire-editor: filed from primary source opened 2026-10-28