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  1. Home
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  3. Compare

Claude Opus 4.5 vs Hermes 4 405B

Compare Claude Opus 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 Opus 4.5
Favicon for nousresearch
Hermes 4 405B
Favicon for anthropic
Claude Opus 4.5
Favicon for nousresearch
Hermes 4 405B

Overview

Claude Opus 4.5
Author
Anthropic
Hermes 4 405B
Author
Nous Research
Claude Opus 4.5
Context length
200Ktokens
Hermes 4 405B
Context length
131Ktokens
Claude Opus 4.5
Reasoning
Hermes 4 405B
Reasoning
Claude Opus 4.5
Input modalities
Hermes 4 405B
Input modalities
Claude Opus 4.5
Output modalities
Hermes 4 405B
Output modalities

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

Claude Opus 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 Opus 4.5, from Anthropic, has a 200,000-token context window and is priced at $5/M tokens input, $25/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 Opus 4.5: 200,000 tokens
  • Hermes 4 405B: 131,072 tokens
Price
  • Claude Opus 4.5: $5/M tokens input, $25/M tokens output
  • Hermes 4 405B: $1/M tokens input, $3/M tokens output
Provided by
  • Claude Opus 4.5: Anthropic
  • Hermes 4 405B: Nous Research
  • model details, providers and pricing
Claude Opus 4.5
model details, providers and pricing
Hermes 4 405B