StepFun: Step 3.5 Flash
🇨🇳 階躍星辰 · Step 3.5
输入价格 $0.090 每百万 tokens NT$2.9
输出价格 $0.300 每百万 tokens NT$9.6
Context Window 262K tokens 输出上限 16K
OpenRouter 路由价 请以官方定价页为准
| 维度 | 单位 | 价格 (USD) |
|---|---|---|
| 输入 | 每 1M tokens | $0.090 |
| 输出 | 每 1M tokens | $0.300 |
| 缓存读取 | 每 1M tokens | $0.020 |
- 提供商
- 階躍星辰 (StepFun)
- 模型家族
- Step 3.5
- 版本字符串
- stepfun/step-3.5-flash
- 状态
- active
- 模态
- text
- Context Window
- 262,144 tokens
- 输出上限
- 16,384 tokens
综合指标
由 Artificial Analysis 评估的跨领域能力指数 — Artificial Analysis
Agentic Index 52 A 测量于 2026-05-27
Coding Index 32 C 测量于 2026-05-27
Intelligence Index 38 B 测量于 2026-05-27
Benchmark 分数
数据来源：Artificial Analysis
AA-LCR 43.0% D 测量于 2026-05-27
GPQA Diamond 83.1% A 测量于 2026-05-27
HLE 19.1% B 测量于 2026-05-27
IFBench 64.6% B 测量于 2026-05-27
Non-Hallucination 14.8% 测量于 2026-05-27
Omniscience Accuracy 23.9% 测量于 2026-05-27
SciCode 40.4% B 测量于 2026-05-27
Tau2 94.4% 测量于 2026-05-27
TerminalBench 27.3% 测量于 2026-05-27
效能指标
实测数据，由 Artificial Analysis 每 72 小时更新 — Artificial Analysis
首 Token 延迟 1.1s 测量于 2026-05-27
输出速度 202 t/s 测量于 2026-05-27
回应时间 13.4s 测量于 2026-05-27
过去 90 天价格走势
输入 / 输出价格（USD per 1M tokens）
过去 90 天记录；每次价格变动会在此呈现
| 日期 | 维度 | 价格 (USD) | 来源 |
|---|---|---|---|
| 2026-05-27 | 缓存读取 | $0.020 | openrouter |
| 2026-05-27 | 输出 | $0.300 | openrouter |
| 2026-05-27 | 输入 | $0.090 | openrouter |
| 2026-05-26 | 缓存读取 | $0.020 | openrouter |
| 2026-05-26 | 输出 | $0.300 | openrouter |
| 2026-05-26 | 输入 | $0.090 | openrouter |
| 2026-05-25 | 缓存读取 | $0.020 | openrouter |
| 2026-05-25 | 输出 | $0.300 | openrouter |
| 2026-05-25 | 输入 | $0.090 | openrouter |
| 2026-05-24 | 缓存读取 | $0.020 | openrouter |
| 2026-05-24 | 输出 | $0.300 | openrouter |
| 2026-05-24 | 输入 | $0.090 | openrouter |
| 2026-05-23 | 缓存读取 | $0.020 | openrouter |
| 2026-05-23 | 输出 | $0.300 | openrouter |
| 2026-05-23 | 输入 | $0.090 | openrouter |
| 2026-05-22 | 缓存读取 | $0.020 | openrouter |
| 2026-05-22 | 输出 | $0.300 | openrouter |
| 2026-05-22 | 输入 | $0.090 | openrouter |
| 2026-05-22 | 缓存读取 | $0.020 | openrouter |
| 2026-05-22 | 输出 | $0.300 | openrouter |
| 2026-05-22 | 输入 | $0.090 | openrouter |
| 2026-05-21 | 缓存读取 | $0.020 | openrouter |
| 2026-05-21 | 输出 | $0.300 | openrouter |
| 2026-05-21 | 输入 | $0.090 | openrouter |
| 2026-05-20 | 输出 | $0.300 | openrouter |
| 2026-05-20 | 输入 | $0.100 | openrouter |
| 2026-05-19 | 输出 | $0.300 | openrouter |
| 2026-05-19 | 输入 | $0.100 | openrouter |
| 2026-05-18 | 输出 | $0.300 | openrouter |
| 2026-05-18 | 输入 | $0.100 | openrouter |
| 2026-05-17 | 输出 | $0.300 | openrouter |
| 2026-05-17 | 输入 | $0.100 | openrouter |
| 2026-05-16 | 输出 | $0.300 | openrouter |
| 2026-05-16 | 输入 | $0.100 | openrouter |
| 2026-05-16 | 输出 | $0.300 | openrouter |
| 2026-05-16 | 输入 | $0.100 | openrouter |
| 2026-05-16 | 输出 | $0.300 | openrouter |
| 2026-05-16 | 输入 | $0.100 | openrouter |
| 2026-05-16 | 输出 | $0.300 | openrouter |
| 2026-05-16 | 输入 | $0.100 | openrouter |
| 2026-05-15 | 输出 | $0.300 | openrouter |
| 2026-05-15 | 输入 | $0.100 | openrouter |
| 2026-05-14 | 输出 | $0.300 | openrouter |
| 2026-05-14 | 输入 | $0.100 | openrouter |
| 2026-05-13 | 输出 | $0.300 | openrouter |
| 2026-05-13 | 输入 | $0.100 | openrouter |
| 2026-05-12 | 输出 | $0.300 | openrouter |
| 2026-05-12 | 输入 | $0.100 | openrouter |
| 2026-05-11 | 输出 | $0.300 | openrouter |
| 2026-05-11 | 输入 | $0.100 | openrouter |
描述
Step 3.5 Flash is StepFun's most capable open-source foundation model. Built on a sparse Mixture of Experts (MoE) architecture, it selectively activates only 11B of its 196B parameters per token....
重点摘要
以下为本页面的关键数据，供快速参考与引用。
- StepFun: Step 3.5 Flash input 价格为 $0.09/M tokens
- StepFun: Step 3.5 Flash output 价格为 $0.3/M tokens
- Context window：262,144 tokens
- 提供商：StepFun
- 模型家族：Step 3.5
- 支持模态：text
- 数据来源：OpenRouter，每日自动更新