Step 3
StepFun / 阶跃星辰 · 2025-07-31 · 类别未确认
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Step 3
StepFun 将 Step 3 定位为高性价比的多模态智能模型,以 38B 激活的 MoE 架构与 MFA 注意力 + AFD 并行设计平衡性能与推理成本,并以 Apache 2.0 开源。已收录评测覆盖多模态理解、数学与科学推理、代码等领域,AIME 2025 82.9、MMMU 74.2。
- 输入模态
- 文本 / 图像
- 上下文
- 64K(65536)
- 参数
- 321B-A38B MoE(VLM 321B / LLM 316B)
- 价格(每百万 tokens)
- 无此口径报价;不等于免费
本变体的评测证据
归一化读数:不计算;样本及方差不完整,无法计算置信区间。
原文位置与完整协议
heading: Overall Performance · table: Overall Performance (VLM + LLM benchmarks) · row: mmmu
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"run_count": null,
"aggregation": null,
"judge": null
}2026-09-01 audit: value cross-confirmed against official GitHub figure figures/step3_bmk.jpeg.
归一化读数:不计算;样本及方差不完整,无法计算置信区间。
原文位置与完整协议
heading: Overall Performance · table: Overall Performance (VLM + LLM benchmarks) · row: mathvision
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"run_count": null,
"aggregation": null,
"judge": null
}2026-09-01 audit: value cross-confirmed against official GitHub figure figures/step3_bmk.jpeg.
归一化读数:不计算;样本及方差不完整,无法计算置信区间。
原文位置与完整协议
heading: Overall Performance · table: Overall Performance (VLM + LLM benchmarks) · row: simplevqa
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"time_limit": null,
"run_count": null,
"aggregation": null,
"judge": null
}2026-09-01 audit: value cross-confirmed against official GitHub figure figures/step3_bmk.jpeg.
归一化读数:不计算;样本及方差不完整,无法计算置信区间。
原文位置与完整协议
heading: Overall Performance · table: Overall Performance (VLM + LLM benchmarks) · row: hallusionbench
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"time_limit": null,
"run_count": null,
"aggregation": null,
"judge": null
}2026-09-01 audit: value cross-confirmed against official GitHub figure figures/step3_bmk.jpeg.
归一化读数:不计算;样本及方差不完整,无法计算置信区间。
原文位置与完整协议
heading: Overall Performance · table: Overall Performance (VLM + LLM benchmarks) · row: zerobench
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"time_limit": null,
"run_count": null,
"aggregation": null,
"judge": null
}2026-09-01 audit: value cross-confirmed against official GitHub figure figures/step3_bmk.jpeg.
归一化读数:不计算;样本及方差不完整,无法计算置信区间。
原文位置与完整协议
heading: Overall Performance · table: Overall Performance (VLM + LLM benchmarks) · row: dyna-math
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"time_limit": null,
"run_count": null,
"aggregation": null,
"judge": null
}2026-09-01 audit: value cross-confirmed against official GitHub figure figures/step3_bmk.jpeg.
归一化读数:不计算;样本及方差不完整,无法计算置信区间。
原文位置与完整协议
heading: Overall Performance · table: Overall Performance (VLM + LLM benchmarks) · row: aime-25
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"time_limit": null,
"run_count": null,
"aggregation": null,
"judge": null
}2026-09-01 audit: value cross-confirmed against official GitHub figure figures/step3_bmk.jpeg.
归一化读数:不计算;样本及方差不完整,无法计算置信区间。
原文位置与完整协议
heading: Overall Performance · table: Overall Performance (VLM + LLM benchmarks) · row: gpqa
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"time_limit": null,
"run_count": null,
"aggregation": null,
"judge": null
}2026-09-01 audit: value cross-confirmed against official GitHub figure figures/step3_bmk.jpeg.
归一化读数:不计算;样本及方差不完整,无法计算置信区间。
原文位置与完整协议
heading: Overall Performance · table: Overall Performance (VLM + LLM benchmarks) · row: lcb
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"time_limit": null,
"run_count": null,
"aggregation": null,
"judge": null
}2026-09-01 audit: value cross-confirmed against official GitHub figure figures/step3_bmk.jpeg.
归一化读数:不计算;样本及方差不完整,无法计算置信区间。
原文位置与完整协议
heading: Overall Performance · table: Overall Performance (VLM + LLM benchmarks) · row: hmmt25
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"time_limit": null,
"run_count": null,
"aggregation": null,
"judge": null
}2026-09-01 audit: value cross-confirmed against official GitHub figure figures/step3_bmk.jpeg.
归一化读数:不计算;样本及方差不完整,无法计算置信区间。
原文位置与完整协议
heading: Overall Performance · table: Overall Performance (VLM + LLM benchmarks) · row: cnmo-2024
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"aggregation": null,
"judge": null
}2026-09-01 audit: value cross-confirmed against official GitHub figure figures/step3_bmk.jpeg.