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  1. Home
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  3. Compare

Claude Sonnet 4.5 vs Hermes 4 405B

Compare Claude Sonnet 4.5 from Anthropic and Hermes 4 405B from Nous Research on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Favicon for anthropic
Claude Sonnet 4.5
Favicon for nousresearch
Hermes 4 405B
Favicon for anthropic
Claude Sonnet 4.5
Favicon for nousresearch
Hermes 4 405B

Overview

Claude Sonnet 4.5
Author
Anthropic
Hermes 4 405B
Author
Nous Research
Claude Sonnet 4.5
Context length
1Mtokens
Hermes 4 405B
Context length
131Ktokens
Claude Sonnet 4.5
Reasoning
Hermes 4 405B
Reasoning
Claude Sonnet 4.5
Input modalities
Hermes 4 405B
Input modalities
Claude Sonnet 4.5
Output modalities
Hermes 4 405B
Output modalities

Claude Sonnet 4.5 vs Hermes 4 405B: side-by-side summary

Claude Sonnet 4.5 and Hermes 4 405B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Claude Sonnet 4.5, from Anthropic, has a 1,000,000-token context window and is priced at $3/M tokens input, $15/M tokens output on OpenRouter.

Hermes 4 405B, from Nous Research, has a 131,072-token context window and is priced at $1/M tokens input, $3/M tokens output on OpenRouter.

Context window
  • Claude Sonnet 4.5: 1,000,000 tokens
  • Hermes 4 405B: 131,072 tokens
Price
  • Claude Sonnet 4.5: $3/M tokens input, $15/M tokens output
  • Hermes 4 405B: $1/M tokens input, $3/M tokens output
Provided by
  • Claude Sonnet 4.5: Anthropic
  • Hermes 4 405B: Nous Research
  • model details, providers and pricing
Claude Sonnet 4.5
model details, providers and pricing
Hermes 4 405B