Claude Opus 4.7 vs Step 3.7 Flash
Anthropic vs StepFun — benchmarks, pricing, and capabilities side by side.
- •Step 3.7 Flash is cheaper ($0.20 vs $5.00 per 1M input)
- •Claude Opus 4.7 has a larger context window (1M)
| Claude Opus 4.7 | Step 3.7 Flash | |
|---|---|---|
| Intelligence index | 72.8 | — |
| Developer | Anthropic | StepFun |
| Type | LLM | Multimodal |
| Access | API only | API only |
| Context window | 1,000,000 tokens | 256,000 tokens |
| Input price | $5.00 / 1M | $0.20 / 1M |
| Output price | $25.00 / 1M | $1.15 / 1M |
| Speed | 49 tok/s | — |
| Released | April 16, 2026 | May 28, 2026 |
| Parameters | — | — |
| Input modalities | Text, Image | Text, Image, Video |
| Output modalities | Text | Text |