GPT-5 nano (High) API Pricing
OpenAI · released 2025-08-07 · merges 3 reasoning-effort tiers
Also searched as: GPT-5 nano pricing · GPT 5 nano price · 5 nano cost
Benchmarks shown for the highest-scoring reasoning tier. Merged tiers: GPT-5 nano (High), GPT-5 nano (Medium), GPT-5 nano (Minimal).
GPT-5 nano price
< 0.01¢ / 1K
0.040¢ / 1K
0.014¢ / 1K
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.0145¢ |
| RAG query | 4,000 in / 500 out | 0.04¢ |
| Long document summary | 50,000 in / 1,000 out | 0.29¢ |
| Code review of a 2k-line file | 30,000 in / 2,000 out | 0.23¢ |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $4.35 |
Cost = (input tokens ÷ 1,000,000 × $0.05) + (output tokens ÷ 1,000,000 × $0.40).
Benchmarks
#213 of 547
#47 of 249
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 |
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| DeepSeek R1 0528 (May '25) | 13.1 | $1.763 |
| Gemini 2.5 Flash (Reasoning) | 13.1 | $0.85 |
| Qwen3.5 4B (Reasoning) | 13.1 | $0.06 |
| GPT-5 nano (High) | 13.0 | $0.138 |
| Nemotron 3.5 Lightning | 12.9 | $0.095 |
| GLM-4.5 (Reasoning) | 12.8 | — |
| Nemotron 3 Super 120B A12B (Reasoning) | 12.8 | $0.45 |
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 GPT-5 nano (High) See GPT-5 nano (High) on the leaderboard
Source: Artificial Analysis · last synced 2026-10-15
FAQ
Who develops GPT-5 nano (High)?
GPT-5 nano (High) is developed by OpenAI, released 2025-08-07.
How much does GPT-5 nano (High) cost per million tokens?
GPT-5 nano (High) costs $0.05 per 1M input tokens and $0.40 per 1M output tokens ($0.138 blended), per Artificial Analysis's official pricing data.
What is the GPT-5 nano API price?
The GPT-5 nano API price is $0.05 per 1M input tokens and $0.40 per 1M output tokens ($0.138 per 1M blended).
How much does GPT-5 nano cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about 0.0145¢ on GPT-5 nano, at $0.05/1M input and $0.40/1M output.
Is GPT-5 nano free?
GPT-5 nano's official API list price is $0.05 per 1M input tokens and $0.40 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check OpenAI's site for those.
How does GPT-5 nano (High) rank on benchmarks?
GPT-5 nano (High) scores 13.0 on the Artificial Analysis Intelligence Index, ranking #213 of 547 models we track.
Is there a cheaper model with similar intelligence to GPT-5 nano (High)?
Yes — Qwen3.5 4B (Reasoning) scores similar intelligence (13.1) at $0.06/1M blended, versus $0.138/1M for GPT-5 nano (High).
Where does this data come from?
Pricing and benchmark data for GPT-5 nano (High) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-10-15.