GPT-5.5: Product update
GPT-5.5: Product update. First seen 9 Sep 2026 Catalogues list a 1,050,000 tokens context window. 11 evidence links.
Facts as of
- Context window
- 1,050,000
- Max output
- 128,000
- Input
- text · image
- Output
- text
Alex's take
Alex has not commented on this signal yet. When Alex posts about a signal, the post appears here and on the home page beside it.
Evidence links 11
- DesignArena · gamedevevidence linkdesignarena.ai
- Arena · leaderboardsevidence linkopenai.com
- VoxelBench · leaderboardevidence linkvoxelbench.ai
- Codex · model listevidence linkgithub.com
- OpenCode · discoveryevidence linkopencode.ai
- OpenRouterevidence linkopenrouter.ai
- Artificial Analysis · benchmarksevidence linkartificialanalysis.ai
- OpenRouterevidence linkopenrouter.ai
- Vercel AI Gatewayevidence linkvercel.com
- models.dev · catalogueevidence linkmodels.dev
- OpenAI · pricingevidence linkdevelopers.openai.com
Related signals
GPT‑6 Cyber
Supported
GPT-6 Rosalind: Limited access
Confirmed2 evidence links