Compare StepFun: Step 3.7 Flash (OpenRouter) and Anthropic Claude Sonnet Latest (OpenRouter) by price, context, capabilities, and latency.
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| Model | Provider | Input | Output | Context | Capabilities | Best for | Latency | Status | Source |
|---|---|---|---|---|---|---|---|---|---|
| StepFun: Step 3.7 Flashstepfun/step-3.7-flash | OpenRouter | $0.038 / 1M tokens | $0.217 / 1M tokens | 262.1k | StreamingTool callingJSON modeVision | image understanding, multimodal chat | 1000-3000ms | Catalog | Platform curated |
| Anthropic Claude Sonnet Latest~anthropic/claude-sonnet-latest | OpenRouter | $0.564 / 1M tokens | $2.82 / 1M tokens | 1M | StreamingTool callingJSON modeVision | image understanding, multimodal chat | 1000-3000ms | Catalog | Platform curated |
FAQ
StepFun: Step 3.7 Flash is cheaper ($0.038 / 1M tokens input / $0.217 / 1M tokens output) vs Anthropic Claude Sonnet Latest ($0.564 / 1M tokens input / $2.82 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.
Anthropic Claude Sonnet Latest is larger (1M tokens) vs 262.1k tokens.
Both target Vision. Pick StepFun: Step 3.7 Flash to optimize cost, or Anthropic Claude Sonnet Latest for the longer context window. Test both on real prompts before committing production traffic.