Models · OpenAI

GPT-5.3-Codex

Released 24 Feb 2026Sees imagesTool useReasoning

GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...

Input$1.75₹154 · per 1M tokens
Output$14₹1,232 · per 1M tokens
Context400Ktokens it can read at once
Max output128Ktokens per reply

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What would it cost?

  • GPT-5.3-Codex$68.25 · ₹6,006 a month · $0.007 · ₹0.6 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.