openai/gpt-5.1-codex pricing
Chatopenai/gpt-5.1-codex · OpenRouter · context —
Price per 1M tokens
In effect since Oct 15, 2026
| Input (uncached) | $1.25 |
|---|---|
| OutputIncludes reasoning tokens | $10.00 |
| Cache read | $0.13 |
- No long-context tier: one rate for every prompt size.
Price history
1 version since Oct 15, 2026
- Input
- Output
Show data as table
| Effective from | Input / 1M | Output / 1M |
|---|---|---|
| Oct 15, 2026 | $1.25 | $10.00 |
| Oct 16, 2026 | $1.25 | $10.00 |
Cost calculator
Calculated with the same function that AI Cost Map uses for your real events.
Includes reasoning tokens.
Read from the prompt cache.
Cost per call
$0.0075
Cost per month
$750.00
Similar models
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| Model | Input | Output | Context | Blended vs this |
|---|---|---|---|---|
| openai/gpt-5.1-codex (this model) OpenRouter | $1.25 | $10.00 | — | — |
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| gemini-2.5-computer-use-preview-10-2025 Google Vertex AI | $1.25 | $10.00 | — | × 1.0 |
| gpt-5 OpenAI | $1.25 | $10.00 | — | × 1.0 |
| gpt-5-search-api OpenAI | $1.25 | $10.00 | — | × 1.0 |