Hermes 4 70B vs Solar Pro 4: side-by-side summary

Hermes 4 70B and Solar Pro 4 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.

Solar Pro 4, from upstage, has a 524,288-token context window and is priced at $0.03/M tokens input, $0.12/M tokens output on OpenRouter.

Context window

• Hermes 4 70B: 131,072 tokens
• Solar Pro 4: 524,288 tokens

Price

• Hermes 4 70B: $0.13/M tokens input, $0.40/M tokens output
• Solar Pro 4: $0.03/M tokens input, $0.12/M tokens output

Provided by

• Hermes 4 70B: Nous Research
• Solar Pro 4: upstage

• Hermes 4 70B model details, providers and pricing
• Solar Pro 4 model details, providers and pricing