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GLM-5.3
ERNIE 5.1
DeepSeek-V4.1-Flash-20260910
Grok 4.20 Beta
amazon-nova-experimental-chat
Dola Seed 2.0 Pro
NVIDIA-Nemotron-3-Ultra-550B-A55B
Gemma 4 31B
Step 5 Preview
GPT-5.4 mini
GPT-5.4 mini is a proprietary model from OpenAI, released Mar 17, 2026. It ranks #138 of 351 on the LMArena text leaderboard with a rating of 1412. It costs $0.75 per million input tokens and $4.50 per million output tokens, with a 400K-token context window.
- Developer
- OpenAI
- Released
- Mar 17, 2026
- Context window
- 400K
- Price in / out, per 1M tokens
- $0.75 / $4.50
- Weights
- Proprietary
- Inputs
- Files, Images, Text
- Reasoning
- Yes
- Tool use
- Yes
Benchmarks
| Benchmark | Score bar | Accuracy | Rank | Cost / test |
|---|---|---|---|---|
| Terminal-Bench 4.0Coding | 2.52% | 50 / 55 | $1.44 | |
| SWE-benchCoding | 73.00% | 50 / 85 | $0.51 | |
| Vibe Code BenchCoding | 47.97% | 62 / 115 | $1.19 | |
| LiveCodeBenchCoding | 81.47% | 62 / 143 | $0.75 / $4.5 | |
| Tax Agent BenchFinance | 8.81% | 64 / 76 | $0.81 | |
| Legal Research BenchLaw | 12.50% | 74 / 85 | $1.86 | |
| GPQA DiamondReasoning | 83.08% | 59 / 138 | $0.75 / $4.5 | |
| MMLU-ProReasoning | 84.55% | 63 / 138 | $0.75 / $4.5 | |
| AIMEReasoning | 95.63% | 10 / 96 | $0.75 / $4.5 | |
| MMMUReasoning | 79.25% | 49 / 93 | $0.75 / $4.5 |
Vals AI, as of Oct 24, 2026.
LMArena, by category
| Leaderboard | Rating | Rank | Votes |
|---|---|---|---|
| TextLMArena | 1412 | 138 / 351 | 63.5K |
| CodingLMArena | 1438 | 121 / 346 | 17.2K |
| MathLMArena | 1418 | 127 / 339 | 3.4K |
| Creative writingLMArena | 1370 | 144 / 349 | 10.8K |
| Instruction followingLMArena | 1405 | 118 / 351 | 21.7K |
| Hard promptsLMArena | 1424 | 124 / 351 | 41.6K |
| Multi-turnLMArena | 1429 | 104 / 349 | 11.9K |
| Long queriesLMArena | 1407 | 135 / 330 | 27.8K |
| ExpertLMArena | 1435 | 110 / 305 | 6.3K |
| Legal and governmentIndustries | 1414 | 144 / 325 | 5.1K |
| Medicine and healthcareIndustries | 1395 | 162 / 325 | 4.8K |
| Business and financeIndustries | 1418 | 107 / 344 | 12.9K |
| ChineseLanguages | 1446 | 133 / 328 | 3.9K |
| SpanishLanguages | 1405 | 139 / 249 | 1.9K |
| GermanLanguages | 1409 | 112 / 261 | 933 |
| FrenchLanguages | 1441 | 105 / 252 | 2.2K |
| JapaneseLanguages | 1375 | 106 / 236 | 623 |
| WebDevLMArena | 1398 | 101 / 124 | 12K |
| VisionLMArena | 1245 | 69 / 146 | 25.7K |
LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.
Compare GPT-5.4 mini
OpenAI
The lab behind GPT and ChatGPT, which brought large language models to hundreds of millions of people. Founded 2015, based in San Francisco. openai.com
Questions
Who makes GPT-5.4 mini?
GPT-5.4 mini is made by OpenAI, founded 2015 and based in San Francisco.
How much does GPT-5.4 mini cost?
$0.75 per million input tokens and $4.50 per million output tokens, at its provider’s list price.
What is GPT-5.4 mini’s context window?
400K tokens (400,000).
How does GPT-5.4 mini rank?
#138 of 351 on LMArena’s text leaderboard, rated 1412 (95% interval 1408–1415) from 63,451 votes, as of Oct 22, 2026.
Is GPT-5.4 mini open source?
No. GPT-5.4 mini is proprietary and served through its provider’s API.