GPT-5.1 Codex mini (high) API Pricing
OpenAI · released 2025-11-13
Pricing
0.025¢ / 1K
0.200¢ / 1K
0.069¢ / 1K
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.0725¢ |
| RAG query | 4,000 in / 500 out | 0.2¢ |
| Long document summary | 50,000 in / 1,000 out | $0.0145 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.0115 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $21.75 |
Cost = (input tokens ÷ 1,000,000 × $0.25) + (output tokens ÷ 1,000,000 × $2.00).
Benchmarks
#127 of 533
#17 of 249
Similar intelligence, lower price
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Hy3-preview (Reasoning) | 22.7 | $0.10 |
| MiMo-V2-Flash (Reasoning) | 20.8 | $0.15 |
| Grok 4 Fast (Reasoning) | 17.9 | $0.275 |
| DeepSeek V3.2 (Reasoning) | 21.5 | $0.315 |
| Step 3.7 Flash | 19.5 | $0.438 |
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Claude 4 Opus (Reasoning) | 20.6 | $30.00 |
| GPT-5 mini (medium) | 20.6 | $0.688 |
| K2 Horizon 7B | 20.6 | — |
| GPT-5.1 Codex mini (high) | 20.4 | $0.688 |
| Grok 4.1 Fast (Reasoning) | 20.4 | — |
| Qwen3.5 Omni Plus | 20.4 | $1.50 |
| o3 | 20.2 | $3.50 |
More from OpenAI
| Model | Intelligence | Blended $/1M |
|---|---|---|
| GPT-6 Astra (max) | 52.7 | $20.00 |
| GPT-5.6 Sol (max) | 47.0 | $8.00 |
| GPT-5.6 Terra (max) | 42.1 | $4.50 |
| GPT-5.4 (xhigh) | 39.0 | $5.625 |
| GPT-5.5 (xhigh) | 38.4 | $11.25 |
| GPT-5.6 Luna (max) | 37.3 | $0.45 |
| GPT-5.3 Codex (xhigh) | 32.5 | $4.813 |
| GPT-5.2 (xhigh) | 30.4 | $4.813 |
Count tokens & estimate cost for GPT-5.1 Codex mini (high) See GPT-5.1 Codex mini (high) on the leaderboard
Source: Artificial Analysis · last synced 2026-09-22
FAQ
Who develops GPT-5.1 Codex mini (high)?
GPT-5.1 Codex mini (high) is developed by OpenAI, released 2025-11-13.
How much does GPT-5.1 Codex mini (high) cost per million tokens?
GPT-5.1 Codex mini (high) costs $0.25 per 1M input tokens and $2.00 per 1M output tokens ($0.688 blended), per Artificial Analysis's official pricing data.
How does GPT-5.1 Codex mini (high) rank on benchmarks?
GPT-5.1 Codex mini (high) scores 20.4 on the Artificial Analysis Intelligence Index, ranking #127 of 533 models we track.
Is there a cheaper model with similar intelligence to GPT-5.1 Codex mini (high)?
Yes — Hy3-preview (Reasoning) scores similar intelligence (22.7) at $0.10/1M blended, versus $0.688/1M for GPT-5.1 Codex mini (high).
Where does this data come from?
Pricing and benchmark data for GPT-5.1 Codex mini (high) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-09-22.