LLM
Step 3.5 Flash 2603
StepFun
Updated May 22, 2026 · Benchmarks via Artificial Analysis, specs & pricing via OpenRouter · Methodology · Report an error
Specifications
- Type
- LLM
- Released
- April 2, 2026
- Output speed
- 197 tok/s
- Latency (TTFT)
- 0.9s
- API pricing
- $0.00 in · $0.00 out / 1M tokens
Benchmarks
Reasoning
| GPQA Diamond | 82.6 |