Step 3.5 Flash 2603
StepFun開源權重Apache 2.0 · 商用許可
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.
發布日期
2026-04-02
參數規模
196.0B
上下文長度
256K
支援模態
image, text
能力雷達圖
25
general
39
coding
83
reasoning
55
science估算
70
agents
80
multimodal
Science 在缺少專門科學評測時使用推理能力代理估算。
排行榜排名
基準測試分數 (LLM Stats)
Agents
Tau-bench
88.2%自報
BrowseComp
69.0%自報
Terminal-Bench 2.0
51.0%自報
Code
SWE-Bench Verified
74.4%自報
General
LiveCodeBench v6
86.4%自報
Math
AIME 2025
97.3%自報
IMO-AnswerBench
85.4%自報
AA 評測指數
Intelligence Index26.0
Tau20.9
Gpqa0.8
Ifbench0.7
Lcr0.5
Scicode0.4
Terminalbench Hard0.3
Hle0.2
LLM Stats 分類評分
Math90
General90
Reasoning80
Search70
Frontend Development70
Agents70
Tool Calling70
Code60
定價
輸入價格$0.1 / 1M tokens
輸出價格$0.3 / 1M tokens
混合價格(3:1)$0.15 / 1M tokens
快取讀取價格$0.02 / 1M tokens
速度
Tokens/秒204.8
首Token延遲0.91s
首回答延遲10.67s
供應商價格排行
供應商價格排行
11 個供應商
最便宜: StepFun最貴: StepFun AI
供應商輸入輸出
1StepFun最便宜
$0
$0
2OpenRouter
$0.09
$0.3
3Vercel AI Gateway
$0.09
$0.3
4NanoGPT
$0.1
$0.3
5SiliconFlow (China)
$0.1
$0.3
6Hugging Face
$0.1
$0.3
7ZenMux
$0.1
$0.3
8Kilo Gateway
$0.1
$0.3
9SiliconFlow
$0.1
$0.3
10routing.run
$0.1
$0.3
11StepFun AI
$0.1
$0.3
比較該模型在不同 API 供應商之間的定價。