Step 3.7 Flash
StepFun开源权重Apache 2.0 · 商用许可
描述
Step 3.7 Flash is an open-source multimodal reasoning model by StepFun with 198B total parameters (11B active) using Mixture of Experts. It accepts text and image inputs and features a 256K context window, selectable reasoning effort, tool calling, and agentic capabilities for coding and search workflows, scoring 80.9% on GPQA Diamond and 56.3% on SWE-bench Pro.
发布日期
2026-05-29
参数规模
198.0B
上下文长度
256K
支持模态
image, text, video
能力雷达图
20
general
40
coding
81
reasoning
56
science
60
agents
90
multimodal
排行榜排名
基准测试分数 (LLM Stats)
(LLM Stats (zeroeval))General
GDPval
45.8%自报
Reasoning
Terminal-Bench 2.1
59.5%自报
SWE-Bench ProPrinceton NLP (2024)
56.3%自报
Humanity's Last Exam (with tools, text-only)
47.2%自报
AA 评测指数
(Artificial Analysis)Tau2(Sierra + U Toronto + Vector Institute (2025))98.5
Gpqa(NYU + Cohere + Anthropic (2023))80.9
Lcr(Artificial Analysis)73.7
Ifbench(Google Research (2023))67.3
Scicode(UIUC + Argonne National Lab (2024))43.9
Coding Index(Artificial Analysis)39.6
Terminalbench V2 139.3
Terminalbench Hard(Stanford × Laude Institute (2026))35.6
Hle(Center for AI Safety + Scale AI (2025))21.4
Intelligence Index(Artificial Analysis)19.5
Tau Banking12.0
LLM Stats 分类评分
(LLM Stats (zeroeval))Code60
Tool Calling60
Legal50
Math50
Reasoning50
Finance50
General50
Agents50
定价
输入价格$0.2 / 1M tokens
输出价格$1.15 / 1M tokens
混合价格(3:1)$0.438 / 1M tokens
缓存读取价格$0.04035 / 1M tokens
速度
Tokens/秒0.0
首Token延迟0.00s
首回答延迟0.00s
供应商价格排行
供应商价格排行
14 个供应商
最便宜: DeepInfra最贵: Kenari
供应商输入输出
1DeepInfra最便宜
$0
$0
2StepFun主要
$0.2
$1.15
3OpenRouter
$0.2
$1.15
4ZenMux
$0.2
$1.15
5Novita AI
$0.2
$1.15
6Kilo Gateway
$0.2
$1.15
7Requesty
$0.2
$1.15
8Vercel AI Gateway
$0.2
$1.15
9DevPass (LLM Gateway)
$0.2
$1.15
10StepFun (Global)
$0.2
$1.15
11EmpirioLabs AI
$0.2
$1.15
12StepFun (China)
$0.20175
$1.21052
13AIHubMix
$0.22
$1.32
14Kenari
$0.24
$1.37143
比较该模型在不同 API 供应商之间的定价。