Claude Opus 5 vs Hermes 4 70B: side-by-side summary

Claude Opus 5 and Hermes 4 70B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

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

Hermes 4 70B, from Nous Research, has a 131,072-token context window and is priced at $0.13/M tokens input, $0.40/M tokens output on OpenRouter.

Context window

• Claude Opus 5: 1,000,000 tokens
• Hermes 4 70B: 131,072 tokens

Price

• Claude Opus 5: $5/M tokens input, $25/M tokens output
• Hermes 4 70B: $0.13/M tokens input, $0.40/M tokens output

Provided by

• Claude Opus 5: Anthropic
• Hermes 4 70B: Nous Research

• Claude Opus 5 model details, providers and pricing
• Hermes 4 70B model details, providers and pricing