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| 1 model | stepfunStepFun: Step 3.5 FlashRemove × |
|---|---|
| What’s different | 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.... |
| Date | Jan 29, 2026Listed |
API prices USD · provider configuration shown below | |
| Listed rate | $0.10 in / $0.30 out/ 1M tokensdeepinfra · via Hugging Face · all routes ↗ |
| Provider endpoints | 4 endpoints → |
Specifications | |
| Context window | 262.1K |
| Max output | 65.5K |
| Parameters | — |
| Tool calling | Supported |
| Structured output | Supported |
| Reasoning | Supported |
| Open weights | Supported |