Skip to content
  • Models
  • Rankings
  • Ori
Sign Up
Sign Up
OpenRouterOpenRouter
© 2026 OpenRouter, Inc

Product

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

Company

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

Developer

  • Documentation
  • API Reference
  • Developer Platform
  • Status

Connect

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

Claude Sonnet 5 vs Muse Spark 1.2 Contributor

Compare Claude Sonnet 5 from Anthropic and Muse Spark 1.2 Contributor from Meta on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Claude Sonnet 5 vs Muse Spark 1.2 Contributor: side-by-side summary

Claude Sonnet 5 and Muse Spark 1.2 Contributor are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Claude Sonnet 5, from Anthropic, has a 1,000,000-token context window and is priced at $2/M tokens input, $10/M tokens output on OpenRouter.

Muse Spark 1.2 Contributor, from Meta, has a 1,048,576-token context window and is priced at $0.10/M tokens input, $0.20/M tokens output on OpenRouter.

Context window
  • Claude Sonnet 5: 1,000,000 tokens
  • Muse Spark 1.2 Contributor: 1,048,576 tokens
Price
  • Claude Sonnet 5: $2/M tokens input, $10/M tokens output
  • Muse Spark 1.2 Contributor: $0.10/M tokens input, $0.20/M tokens output
Provided by
  • Claude Sonnet 5: Anthropic
  • Muse Spark 1.2 Contributor: Meta
  • Claude Sonnet 5 model details, providers and pricing
  • Muse Spark 1.2 Contributor model details, providers and pricing