o3-mini API Pricing
OpenAI · released 2025-01-31 · merges 2 reasoning-effort tiers
Also searched as: o3 mini pricing
Benchmarks shown for the highest-scoring reasoning tier. Merged tiers: o3-mini, o3-mini (High).
o3-mini price
0.110¢ / 1K
0.440¢ / 1K
0.193¢ / 1K
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.187¢ |
| RAG query | 4,000 in / 500 out | 0.66¢ |
| Long document summary | 50,000 in / 1,000 out | $0.0594 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.0418 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $56.10 |
Cost = (input tokens ÷ 1,000,000 × $1.10) + (output tokens ÷ 1,000,000 × $4.40).
Benchmarks
#224 of 547
Similar intelligence, lower price
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Qwen3.5 4B (Reasoning) | 13.1 | $0.06 |
| Nemotron 3.5 Lightning | 12.9 | $0.095 |
| gpt-oss-20b (Low) | 10.0 | $0.106 |
| Granite 4.2 8B | 11.1 | $0.107 |
| GPT-5 nano (High) | 13.0 | $0.138 |
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Qwen3 Max (Preview) | 12.6 | — |
| MiniCPM5-2B | 12.5 | — |
| Qwen3.5 Omni Flash | 12.5 | $0.275 |
| o3-mini | 12.5 | $1.925 |
| Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) | 12.4 | — |
| o1-pro | 12.4 | $262.50 |
| Mercury 2.5 | 12.3 | $0.375 |
More from OpenAI
| Model | Intelligence | Blended $/1M |
|---|---|---|
| GPT-6 Astra (Max) | 52.7 | $20.00 |
| GPT-6.1 Sol (Max) | 51.8 | $4.00 |
| GPT-6 Sol (Max) | 47.6 | $4.00 |
| 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-6 Luna (Max) | 38.1 | $0.20 |
Count tokens & estimate cost for o3-mini See o3-mini on the leaderboard
Source: Artificial Analysis · last synced 2026-10-15
FAQ
Who develops o3-mini?
o3-mini is developed by OpenAI, released 2025-01-31.
How much does o3-mini cost per million tokens?
o3-mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens ($1.925 blended), per Artificial Analysis's official pricing data.
What is the o3-mini API price?
The o3-mini API price is $1.10 per 1M input tokens and $4.40 per 1M output tokens ($1.925 per 1M blended).
How much does o3-mini cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about 0.187¢ on o3-mini, at $1.10/1M input and $4.40/1M output.
Is o3-mini free?
o3-mini's official API list price is $1.10 per 1M input tokens and $4.40 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check OpenAI's site for those.
How does o3-mini rank on benchmarks?
o3-mini scores 12.5 on the Artificial Analysis Intelligence Index, ranking #224 of 547 models we track.
Is there a cheaper model with similar intelligence to o3-mini?
Yes — Qwen3.5 4B (Reasoning) scores similar intelligence (13.1) at $0.06/1M blended, versus $1.925/1M for o3-mini.
Where does this data come from?
Pricing and benchmark data for o3-mini comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-10-15.