Skip to content
Not available in this workspace
OpenRouterOpenRouter
© 2026 OpenRouter, Inc

Product

  • Chat
  • Rankings
  • Benchmarks
  • Apps
  • Discover
  • Models
  • Providers
  • Pricing
  • Enterprise
  • Labs

Company

  • About
  • Blog
  • Careers
    Hiring
  • Privacy
  • Terms of Service
  • Support
  • Works With OR
  • Data

Developer

  • Documentation
  • API Reference
  • Developer Platform
  • Status

Connect

  • Discord
  • GitHub
  • LinkedIn
  • X
  • YouTube
  1. Home
  2. /
  3. Compare

Claude Opus Latest vs Gemini 3.5 Flash: side-by-side summary

Claude Opus Latest and Gemini 3.5 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Claude Opus Latest, from Anthropic, has a 1,000,000-token context window and is priced at $5/M tokens input, $25/M tokens output on OpenRouter.

Gemini 3.5 Flash, from Google, has a 1,048,576-token context window and is priced at $1.50/M tokens input, $9/M tokens output on OpenRouter.

Context window
  • Claude Opus Latest: 1,000,000 tokens
  • Gemini 3.5 Flash: 1,048,576 tokens
Price
  • Claude Opus Latest: $5/M tokens input, $25/M tokens output
  • Gemini 3.5 Flash: $1.50/M tokens input, $9/M tokens output
Provided by
  • Claude Opus Latest: Anthropic
  • Gemini 3.5 Flash: Google
  • Claude Opus Latest model details, providers and pricing
  • Gemini 3.5 Flash model details, providers and pricing