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Attribute
stepfun-ai
Company stepfun-ai
Release Date 2026-03-02
Parameters (B)
Architecture transformers
Context Window
Input Modalities text
Open Source Yes
License apache-2.0
Score 2.6
VRAM (GB)
Compute
Benchmark: AIME-2025 99.8
Benchmark: BBH 3
Benchmark: C-Eval 5
Benchmark: GPQA 5
Benchmark: GSM8K 8
Benchmark: HellaSwag 10
Benchmark: HumanEval 3
Benchmark: LiveCodeBench 86.4
Benchmark: MATH 4
Benchmark: MBPP 3
Benchmark: MMLU 5
Benchmark: MMLU-Pro 5
Benchmark: SimpleQA 5
Pricing (Input)
Pricing (Output)