Mercury 2.5 Preview vs Hermes 4 70B: side-by-side summary

Mercury 2.5 Preview and Hermes 4 70B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Mercury 2.5 Preview, from inception, has a 260,000-token context window and is priced at $0.04/M tokens input, $0.15/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

• Mercury 2.5 Preview: 260,000 tokens
• Hermes 4 70B: 131,072 tokens

Price

• Mercury 2.5 Preview: $0.04/M tokens input, $0.15/M tokens output
• Hermes 4 70B: $0.13/M tokens input, $0.40/M tokens output

Provided by

• Mercury 2.5 Preview: inception
• Hermes 4 70B: Nous Research

• Mercury 2.5 Preview model details, providers and pricing
• Hermes 4 70B model details, providers and pricing