GPT 5 Nano API pricing
Published on-demand rates for OpenAI's gpt-5-nano, captured 2026-08-10 from public pricing data and committed to our archive. Context window 272k tokens; first observed in our archive 2025-08-11.
| Meter | USD per 1M tokens |
|---|---|
| Input | $0.050 |
| Output | $0.400 |
| Cached input | $0.005 |
Standard on-demand rates. Excludes batch endpoints and negotiated pricing; confirm on OpenAI's pricing page before committing.
What it costs on a real workload
The four frozen profiles the LLMPrice indices price, per 1M tokens processed, at the rates above. Where no cache-read rate is published, the whole input bills at the standard rate.
| Profile | In / out mix | Cached share | Cost |
|---|---|---|---|
| Retrieval | 800k / 200k | 70% | $0.095 |
| Chat | 500k / 500k | 30% | $0.218 |
| Content | 200k / 800k | 20% | $0.328 |
| Agent | 900k / 100k | 85% | $0.051 |
Profile definitions are frozen and published on the methodology page. Compare every model on these profiles →
Observed rate history
No repricing observed since this model entered our archive on 2025-08-11. When a rate moves, the change appears here and on the sitewide ticker.
Priced near this one
The models closest to GPT 5 Nano on a retrieval workload, cheaper and more expensive alike. We publish no quality score, so this is what they cost and nothing more.
| Model | Provider | Input | Output | vs GPT 5 Nano |
|---|---|---|---|---|
| DeepSeek V4 Flash | DeepSeek | $0.140 | $0.280 | 4% less |
| Ministral 3 3B | Mistral | $0.100 | $0.100 | 5% more |
| Gemini 2.0 Flash Lite | $0.075 | $0.300 | 7% less | |
| Mistral Small 3.2 | Mistral | $0.060 | $0.180 | 11% less |
Compared on the retrieval profile: 800k input, 200k output, 70% of input cached where the model offers a cache rate.
No affiliate or referral arrangements: the console link carries no parameters and nothing on this page is paid placement. GPT 5 Nano is a trademark of its owner; LLMPrice.io is independent and unaffiliated.