Gemini 3.1 Pro vs Step 3.7 Flash
Google vs StepFun — benchmarks, pricing, and capabilities side by side.
- •Step 3.7 Flash is cheaper ($0.20 vs $2.00 per 1M input)
- •Gemini 3.1 Pro has a larger context window (1M)
| Gemini 3.1 Pro | Step 3.7 Flash | |
|---|---|---|
| Intelligence index | 76.2 | — |
| Developer | StepFun | |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 1,048,576 tokens | 256,000 tokens |
| Input price | $2.00 / 1M | $0.20 / 1M |
| Output price | $12.00 / 1M | $1.15 / 1M |
| Speed | 142 tok/s | — |
| Released | February 19, 2026 | May 28, 2026 |
| Parameters | — | — |
| Input modalities | Text, Image, Audio, Video | Text, Image, Video |
| Output modalities | Text | Text |