Cydonia 24B V4.1 vs Grok 4 Fast: side-by-side summary

Cydonia 24B V4.1 and Grok 4 Fast are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Cydonia 24B V4.1, from Drummer, has a 131,072-token context window and is priced at $0.30/M tokens input, $0.50/M tokens output on OpenRouter.

Grok 4 Fast, from SpaceXAI, has a 2,000,000-token context window and is priced by the provider serving it on OpenRouter.

Context window

• Cydonia 24B V4.1: 131,072 tokens
• Grok 4 Fast: 2,000,000 tokens

Price

• Cydonia 24B V4.1: $0.30/M tokens input, $0.50/M tokens output
• Grok 4 Fast: Pricing varies by provider

Provided by

• Cydonia 24B V4.1: Drummer
• Grok 4 Fast: SpaceXAI

• Cydonia 24B V4.1 model details, providers and pricing
• Grok 4 Fast model details, providers and pricing