o3 API Pricing
OpenAI · released 2025-04-16
o3 price
0.200¢ / 1K
0.800¢ / 1K
0.350¢ / 1K
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.34¢ |
| RAG query | 4,000 in / 500 out | $0.0120 |
| Long document summary | 50,000 in / 1,000 out | $0.1080 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.0760 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $102.00 |
Cost = (input tokens ÷ 1,000,000 × $2.00) + (output tokens ÷ 1,000,000 × $8.00).
Benchmarks
#142 of 547
#30 of 249
Similar intelligence, lower price
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Hy3-preview (Reasoning) | 22.7 | $0.10 |
| Ling-3.0-flash-Fin | 22.6 | $0.111 |
| Ling 3.0 Flash | 20.1 | $0.111 |
| MiMo-V2-Flash (Reasoning) | 20.8 | $0.15 |
| MiMo-V2.5 | 21.8 | $0.175 |
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| 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 |
| Ling 3.0 Flash | 20.1 | $0.111 |
| K-EXAONE 2.0 0803 | 19.7 | — |
| Step 3.7 Flash | 19.5 | $0.438 |
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 See o3 on the leaderboard
Source: Artificial Analysis · last synced 2026-10-15
FAQ
Who develops o3?
o3 is developed by OpenAI, released 2025-04-16.
How much does o3 cost per million tokens?
o3 costs $2.00 per 1M input tokens and $8.00 per 1M output tokens ($3.50 blended), per Artificial Analysis's official pricing data.
What is the o3 API price?
The o3 API price is $2.00 per 1M input tokens and $8.00 per 1M output tokens ($3.50 per 1M blended).
How much does o3 cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about 0.34¢ on o3, at $2.00/1M input and $8.00/1M output.
Is o3 free?
o3's official API list price is $2.00 per 1M input tokens and $8.00 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 rank on benchmarks?
o3 scores 20.2 on the Artificial Analysis Intelligence Index, ranking #142 of 547 models we track.
Is there a cheaper model with similar intelligence to o3?
Yes — Hy3-preview (Reasoning) scores similar intelligence (22.7) at $0.10/1M blended, versus $3.50/1M for o3.
Where does this data come from?
Pricing and benchmark data for o3 comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-10-15.