Language model
GPT 5.5 Pro
Retired 8 October 2026
Live models in this family: GPT-6 Luna, GPT 5.6 Terra, GPT-6.1 Sol, GPT-6 Astra.
GPT 5.5 Pro retired on 8 October 2026. This page preserves its historical catalog pricing, context window and vision support.
01
Listed price
$30/M
Input tokens
$180/M
Output tokens
02
Specs
- Context window
- 1M tokens
- Vision
- Yes
03
Good for
Its listed input price places it in the catalog's tier for the hardest reasoning, architecture and review work. Vision support fits UI screenshots, browser and visual tasks, while the 1M tokens context window suits large monorepos and long sessions.
Official model family resource ↗04
Similar models
Nearest models by listed input price.
- Claude Fable 5.1 $10/M input
- GPT-6 Astra $10/M input
- Claude Opus 5.5 $4/M input
- Muse Wonder 1.0 $4/M input
Use GPT 5.5 Pro in Octomind
Explore the live models in this family above to choose a current replacement.
Catalog updated 2026-10-17