- AIME 2025 74
- AIME 2024 86.7
- Beyond AIME 48
- GPQA diamond 77.3
- SuperGPQA 62.1
- MMLU-PRO 87
- Codeforces pass@8 55.0% (avg@8 36.3%) 55
- LiveCodeBench v5 64.9
- Aider Polyglot 54.2
- SWE-bench verified 47
- ARC-AGI 39.9
- SimpleQA 12.9
- Collie 73.1
- IFEval 87.4
Seed-Thinking-v1.5
Seed-Thinking-v1.5.
14
Benchmarks with a score
0
Ranked first, out of five or more models
0
In the top three
Seed-Thinking-v1.5
Closed weights Flagship
No Epoch Capabilities Index score yet
- SuperGPQA 62.1% #16 /26
- LiveCodeBench v5 64.9% #17 /44
- MMLU-Pro 87% #10 /151
Where it ranks
Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.
Knowledge and language
Math and science
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| PolyMath | 47.2% | #4 of 38 | Official leaderboard | |
| AIME 2024 | 86.7% | #28 of 87 | Model card | |
| GPQA Diamond | 77.3% | #125 of 284 | Model card | |
| AIME 2025 | 74% | #103 of 143 | Model card | |
| Beyond AIME | 48% | #12 of 14 | Model card | |
| ARC-AGI | 39.9% | #19 of 19 | Model card |
Coding
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| LiveCodeBench v5 | 64.9% | #17 of 44 | Model card | |
| Aider Polyglot | 54.2% | #17 of 29 | Model card | |
| SWE-bench Verified | 47% | #130 of 150 | Model card |
Its launch post
The benchmarks the lab chose to headline, with the scores it gave.
Its system card
Every result in the longer documents the lab published with it.
Capabilities
- AIME 2025 74
- AIME 2024 86.7
- Beyond AIME 48
- GPQA Diamond 77.3
- SuperGPQA 62.1
- MMLU-Pro 87
- Codeforces rating 55
- LiveCodeBench v5 64.9
- Aider Polyglot 54.2
- SWE-bench Verified 47
- ARC-AGI 39.9
- COLLIE 73.1
- IFEval 87.4
Hallucination
- SimpleQA 12.9