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
19
general
60
coding
83
reasoning
65
science
70
agents
80
multimodal
排行榜排名
基準測試分數 (LLM Stats)
(LLM Stats (zeroeval))General
Tau-bench
88.2%自報
Math
AIME 2025
97.3%自報
IMO-AnswerBench
85.4%自報
Reasoning
LiveCodeBench v6
86.4%自報
SWE-Bench Verified
74.4%自報
BrowseCompOpenAI (2025)
69.0%自報
Terminal-Bench 2.0Stanford × Laude Institute (2026)
51.0%自報
AA 評測指數
(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 分類評分
(LLM Stats (zeroeval))Math90
Reasoning80
General80
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0.0
首Token延遲0.00s
首回答延遲0.00s
供應商價格排行
供應商價格排行
4 個供應商
最便宜: StepFun最貴: EmpirioLabs AI
供應商輸入輸出
1StepFun最便宜
$0
$0
2StepFun (China)
$0.1
$0.3
3StepFun (Global)
$0.1
$0.3
4EmpirioLabs AI
$0.1
$0.3
比較該模型在不同 API 供應商之間的定價。