GPT-5.1-Codex-max | Sulat AI Models

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GPT-5.1-Codex-max | Sulat AI Models

Model details

GPT-5.1-Codex-max

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GitHub Copilotgpt-5.1-codex-maxgpt-codex

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Quick Info

Provider: GitHub Copilot
Model key: gpt-5.1-codex-max
Release date: Dec 4, 2025
Last updated: Dec 4, 2025
Knowledge: 2024-09-30
Input modalities: text, image
Output modalities: text
Capabilities: Reasoning, Tool calling, Attachments
Cost summary: Subscription plan pricing
Limit summary: 400,000 token context window

Cost

A provider subscription or plan supersedes token-based pricing for this model.

Limits

Input tokens: 128,000 tokens
Output tokens: 128,000 tokens
Context window: 400,000 tokens