GPT-5.1-Codex-Mini pricing
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex. Live index: 1 priced offer. Best input $0.250 per million tokens from Openrouter. Best output $2.00 per million tokens from Openrouter.
Pricing across providers
Every row is a seller of GPT-5.1-Codex-Mini with token pricing we track. The cheapest input in this snapshot is from Openrouter. The bar chart shows the same input and output dollars per million for a quick scan.
| Provider | Input / 1M | Output / 1M | Cached input | Batch |
|---|---|---|---|---|
O Openrouter | $0.250 | $2.00 | — | — |
Input vs output · 1M tokens
Cost calculator
The calculator uses the same dollars per million tokens as the table. Adjust sliders to see how GPT-5.1-Codex-Mini cost scales with traffic.
0.025000¢ / req
0.100000¢ / req
Model specifications
These fields describe GPT-5.1-Codex-Mini as we store it (source: OpenAI). They sit next to price so buyers can check limits and tools in one place.
- Context window
- 400,000 tokens
- Max output
- 100,000 tokens
- Vision (images)
- Yes
- Tool / function calling
- Yes
- Streaming
- Yes
- Released
- Nov 2025
- Primary provider
- OpenAI
- Model family
- N/A
Compare GPT-5.1-Codex-Mini
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Frequently asked questions
Read these after the table if you want plain language around GPT-5.1-Codex-Mini rates. The short model note from our index: GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
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