Overview
Claude Opus 4.8 (Fast) vs Step 3.7 Flash: side-by-side summary
Claude Opus 4.8 (Fast) and Step 3.7 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Claude Opus 4.8 (Fast), from Anthropic, has a 1,000,000-token context window and is priced by the provider serving it on OpenRouter.
Step 3.7 Flash, from stepfun, has a 262,144-token context window and is priced at $0.16/M tokens input, $0.92/M tokens output on OpenRouter.
- Context window
- Claude Opus 4.8 (Fast): 1,000,000 tokens
- Step 3.7 Flash: 262,144 tokens
- Price
- Claude Opus 4.8 (Fast): Pricing varies by provider
- Step 3.7 Flash: $0.16/M tokens input, $0.92/M tokens output
- Provided by
- Claude Opus 4.8 (Fast): Anthropic
- Step 3.7 Flash: stepfun