GPT-5.1-Codex-Mini pricing & price history
GPT-5.1-Codex-Mini by OpenAI costs $0.25 per 1M input tokens and $2.00 per 1M output tokens, with a 400K token context window.
Price history
No price changes since tracking began on 2026-09-24. We check hourly.
Cost calculator
Cheaper alternatives to GPT-5.1-Codex-Mini
| Model | Input | Output | Context | Intel. | |
|---|---|---|---|---|---|
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About GPT-5.1-Codex-Mini
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
FAQ
How much does GPT-5.1-Codex-Mini cost?
GPT-5.1-Codex-Mini by OpenAI costs $0.25 per 1M input tokens and $2.00 per 1M output tokens, with a 400K token context window. A typical request with 2,000 input and 500 output tokens costs about $0.0015.
What is the context window of GPT-5.1-Codex-Mini?
GPT-5.1-Codex-Mini supports up to 400,000 tokens of context and up to 128,000 output tokens per request.
Has GPT-5.1-Codex-Mini’s price changed?
No price changes recorded since ModelBank started tracking it on 2026-09-24.
Is GPT-5.1-Codex-Mini being deprecated?
No retirement date has been announced for GPT-5.1-Codex-Mini as of 2026-09-24.
What are cheaper alternatives to GPT-5.1-Codex-Mini?
Cheaper options include Ministral 3 8B 2512 ($0.15/$0.15), Llama 4 Scout ($0.10/$0.30), MiMo-V2.6-Flash ($0.14/$0.28), Llama Guard 4 12B ($0.18/$0.18).