GPT-5.4 nano
- Context
- 400K
- 128K max output
- Input price
- $0.20
- per 1M tokens · OpenAI API
- Output price
- $1.25
- per 1M tokens
- Epoch Capabilities Index
- 145.8
- #58 of 71 listed
- LMArena Text
- 1,401
- #67 of 79 listed
Where to run it
2 offerings · prices as listed| Meter | Tier | Price |
|---|---|---|
| Input | Standard | $0.20 / 1M tokens |
| Batch | $0.10 / 1M tokens | |
| Flex tier | $0.10 / 1M tokens | |
| Output | Standard | $1.25 / 1M tokens |
| Batch | $0.63 / 1M tokens | |
| Flex tier | $0.63 / 1M tokens | |
| Cache read | Standard | $0.020 / 1M tokens |
| Batch | $0.010 / 1M tokens | |
| Flex tier | $0.010 / 1M tokens | |
Azure OpenAI in Foundry (opens in a new tab) gpt-5-4-nano | ||
| Input | Standard | $0.20 / 1M tokens |
| Output | Standard | $1.25 / 1M tokens |
| Cache read | Standard | $0.020 / 1M tokens |
Cited scores
From third-party leaderboards, not measured by us- Epoch Capabilities Index 145.8
#58 of 71 listed models · CI 143.4–147.6
Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made
- LMArena Text 1,401
#67 of 79 listed models · high effort · CI 1,397–1,405 · 62,171 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- Epoch AI · FrontierMath Tiers 1–3 44.9%
#40 of 56 listed models · high effort · ±2.95
Also listed: low effort 20.4% · reasoning off 4.6%
Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made
- Epoch AI · GPQA Diamond 78.5%
#56 of 64 listed models · high effort · ±2.44
Also listed: low effort 72.2% · reasoning off 55.6%
Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made
- LMArena Text · Chinese 1,422
#71 of 79 listed models · high effort · CI 1,411–1,432 · 3,849 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- LMArena Text · Coding 1,460
#61 of 79 listed models · high effort · CI 1,454–1,466 · 17,654 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- LMArena Vision 1,198
#44 of 49 listed models · high effort · CI 1,191–1,204 · 23,906 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 13, 2026 · changes we made