GPT-5 nano
- In Input modalities: TextImage Out Output modalities: Text
- Reasoning· minimal, low, medium, high
- Tool use
- Structured output
Prices
3 offerings · prices as listedgpt-5-nano| Conditions/ 1M tokens | Input | Cache read | Output |
|---|---|---|---|
| Standard | $0.050 | $0.005 | $0.40 |
| Flex tier | $0.025 | $0.0025 | $0.20 |
| Batch | $0.025 | $0.0025 | $0.20 |
Prices from OpenAI API pricing (opens in a new tab) (checked Nov 9, 2026)
Standard: the price a request with no conditions pays (the headline price elsewhere on the site).
Details
- Max input
- 272K
- Knowledge cutoff
- May 2024
- Open weights
- —
- Family
- gpt-nano
- Model ID
Not stated on OpenAI’s pages: reasoning can be off, max thinking budget, built-in tools, aliases.
Cited scores
From third-party leaderboards, not measured by us- Epoch Capabilities Index 139.2
#99 of 118 listed models · CI 137.2–141
- LMArena Text 1,338
#132 of 163 listed models · high effort · CI 1,331–1,345 · 8,123 votes
- LMArena Text · Chinese 1,379
#122 of 161 listed models · high effort · CI 1,352–1,405 · 511 votes
- LMArena Text · Coding 1,385
#132 of 163 listed models · high effort · CI 1,371–1,400 · 1,662 votes
- Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Nov 5, 2026
- LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Nov 8, 2026
- changes we made
Changes
All changes →- Available → Deprecated
- 3 prices dropped on OpenAI API Input (Flex tier, Batch) $0.025 · Output (Flex tier, Batch) $0.20 · Cache read (Flex tier, Batch) $0.0025
- 3 new prices on OpenAI API Input (Flex tier, Batch) $0.025 · Output (Flex tier, Batch) $0.20 · Cache read (Flex tier, Batch) $0.0025
Sources
- Azure OpenAI pricing (opens in a new tab) azure.microsoft.com · checked Nov 8, 2026
- OpenAI API pricing (opens in a new tab) developers.openai.com · checked Nov 9, 2026
- GPT-5 Nano model (opens in a new tab) developers.openai.com · checked Nov 4, 2026
- Changelog (opens in a new tab) developers.openai.com · checked Nov 9, 2026
- Azure AI Foundry: model retirement schedule (opens in a new tab) learn.microsoft.com · checked Nov 10, 2026
- models.dev: gpt-5-nano (community data, MIT) (opens in a new tab) github.com · checked Sep 30, 2026
- GPT-5 nano (opens in a new tab) developers.openai.com · checked Nov 6, 2026
- Deprecations (opens in a new tab) developers.openai.com · checked Nov 8, 2026
OpenAI’s official policies: data use, privacy, terms →
Some values on this page are still waiting to be checked against official pages: a filled dot is verified, a hollow one is not yet (with or without a source on file). How we verify data
OpenAI · United States · openai.com
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