Step 3.5 Flash 2603
StepFun开源权重Apache 2.0 · 商用许可
描述
Step-3.5-Flash is StepFun's fast, cost-effective text model optimized for quick inference. Built on their Step3 architecture, it offers strong performance across text tasks with low latency and efficient token usage, ideal for production workloads requiring speed and cost efficiency.
发布日期
2026-04-02
参数规模
196.0B
上下文长度
256K
支持模态
image, text
能力雷达图
19
general
60
coding
83
reasoning
65
science
70
agents
80
multimodal
排行榜排名
基准测试分数 (LLM Stats)
(LLM Stats (zeroeval))General
Tau-bench
88.2%自报
Math
AIME 2025
97.3%自报
IMO-AnswerBench
85.4%自报
Reasoning
LiveCodeBench v6
86.4%自报
SWE-Bench Verified
74.4%自报
BrowseCompOpenAI (2025)
69.0%自报
Terminal-Bench 2.0Stanford × Laude Institute (2026)
51.0%自报
AA 评测指数
(Artificial Analysis)Tau2(Sierra + U Toronto + Vector Institute (2025))87.4
Gpqa(NYU + Cohere + Anthropic (2023))82.6
Ifbench(Google Research (2023))66.5
Lcr(Artificial Analysis)63.0
Terminalbench Hard(Stanford × Laude Institute (2026))32.6
Hle(Center for AI Safety + Scale AI (2025))24.5
Intelligence Index(Artificial Analysis)17.0
LLM Stats 分类评分
(LLM Stats (zeroeval))Math90
Reasoning80
General80
Search70
Frontend Development70
Agents70
Tool Calling70
Code60
定价
输入价格$0.1 / 1M tokens
输出价格$0.3 / 1M tokens
混合价格(3:1)$0.15 / 1M tokens
缓存读取价格$0.02 / 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
4 个供应商
最便宜: StepFun最贵: EmpirioLabs AI
供应商输入输出
1StepFun最便宜
$0
$0
2StepFun (China)
$0.1
$0.3
3StepFun (Global)
$0.1
$0.3
4EmpirioLabs AI
$0.1
$0.3
比较该模型在不同 API 供应商之间的定价。