Models · OpenAI
GPT-5.1-Codex
Released 13 Nov 2025Sees imagesTool useReasoning
GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Input$1.25₹110 · per 1M tokens
Output$10₹880 · per 1M tokens
Context400Ktokens it can read at once
Max output128Ktokens per reply
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What would it cost?
- GPT-5.1-Codex$48.75 · ₹4,290 a month · $0.005 · ₹0.43 each
Estimate from list prices per token, at ₹88/$. Caching, batch discounts and taxes aren't included. A token is about ¾ of a word.