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AI labs
Shanghai Jieyue Xingchen Intelligent Technology Co., Ltd, known as StepFun, is an artificial intelligence (AI) company based in Shanghai, China. It has been dubbed one of China's 6 "AI Tiger" companies by investors.
Description from Wikipedia (opens in a new tab), available under the CC BY-SA 4.0 (opens in a new tab) licence.
Live from OpenRouter, newest first. Prices are USD per million input / output tokens.
| Model | Released | Context | Price | Size | Access |
|---|---|---|---|---|---|
| Step 5 Preview (opens in a new tab) | Oct 8, 2026 | 1M | $1 / $2.7 | Not disclosed | Open weights |
| Step 3.7 Flash (opens in a new tab) | May 28, 2026 | 262K | $0.2 / $1.15 | Not disclosed | Open weights |
| Step 3.5 Flash (opens in a new tab) | Jan 29, 2026 | 262K | $0.1 / $0.3 | Not disclosed | Open weights |
No recent signal is about StepFun yet. New models, price changes and releases appear here automatically as they are detected.