Hermes 4 70B vs Grok 3: side-by-side summary

Hermes 4 70B and Grok 3 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

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.

Grok 3, from SpaceXAI, has a 131,072-token context window and is priced by the provider serving it on OpenRouter.

Context window

• Hermes 4 70B: 131,072 tokens
• Grok 3: 131,072 tokens

Price

• Hermes 4 70B: $0.13/M tokens input, $0.40/M tokens output
• Grok 3: Pricing varies by provider

Provided by

• Hermes 4 70B: Nous Research
• Grok 3: SpaceXAI

• Hermes 4 70B model details, providers and pricing
• Grok 3 model details, providers and pricing