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| Attribute |
stepfun-ai
|
|---|---|
| Company | stepfun-ai |
| Release Date | 2026-02-01 |
| Parameters (B) | — |
| Architecture | transformers |
| Context Window | 262144 |
| Input Modalities | text |
| Open Source | Yes |
| License | apache-2.0 |
| Score | 0 |
| VRAM (GB) | — |
| Compute | |
| Benchmark: AIME-2025 | 99.8 |
| Benchmark: AIME-2026 | 96.7 |
| Benchmark: BrowseComp | 51.6 |
| Benchmark: GPQA | 83.5 |
| Benchmark: HLE | 23.1 |
| Benchmark: IMO-AnswerBench | 86.7 |
| Benchmark: LiveCodeBench | 86.4 |
| Benchmark: MMLU-Pro | 84.4 |
| Benchmark: SWE-Bench-Verified | 74.4 |
| Benchmark: Terminal-Bench-2.0 | 51 |
| Pricing (Input) | 0.10 |
| Pricing (Output) | 0.30 |