GPT-5.1 Codex mini (high)
AvailableOpenAI · 2025-11-13 · 400,000 tokens
An AI model from OpenAI, strongest at reasoning, suited to a broad range of AI workloads.
Supported modalities:textvideocode
Back to model overview / Pricing details
GPT-5.1 Codex mini (high) Pricing Details
Billing structure, pricing comparisons, and cost optimization guidance.
Pricing Summary (TL;DR)
- Billing: Input and output tokens are billed separately based on usage.
- Blended price: Assumes a 3:1 input/output ratio to estimate average cost.
Detailed price table
Pricing breakdown for common usage scenarios.
| Line item | Price | Notes |
|---|---|---|
| Input tokens | $0.00025 | Text you send to the model |
| Output tokens | $0.002 | Responses generated by the model |
Cost estimates
Approximate monthly costs by usage tier.
Light usage (monthly)
100K input tokens + 25K output tokens
Monthly total: $0.08Moderate usage (monthly)
1M input tokens + 300K output tokens
Monthly total: $0.85Price comparisons
Compare pricing against leading competitors.
| Model | Input price | Output price | Blended price | Relative cost |
|---|---|---|---|---|
| GPT-5.1 Codex mini (high) | $0.00025 | $0.002 | $0.00 | Baseline |