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Dots3-Note Preview vs Claude Opus 5 (Fast): side-by-side summary

Dots3-Note Preview and Claude Opus 5 (Fast) are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Dots3-Note Preview, from Dots Studio, has a 512,000-token context window and is priced by the provider serving it on OpenRouter.

Claude Opus 5 (Fast), from Anthropic, has a 1,000,000-token context window and is priced at $10/M tokens input, $50/M tokens output on OpenRouter.

Context window
  • Dots3-Note Preview: 512,000 tokens
  • Claude Opus 5 (Fast): 1,000,000 tokens
Price
  • Dots3-Note Preview: Pricing varies by provider
  • Claude Opus 5 (Fast): $10/M tokens input, $50/M tokens output
Provided by
  • Dots3-Note Preview: Dots Studio
  • Claude Opus 5 (Fast): Anthropic
  • Dots3-Note Preview model details, providers and pricing
  • Claude Opus 5 (Fast) model details, providers and pricing