GPT-5 Chat vs Cydonia 24B V4.1: side-by-side summary

GPT-5 Chat and Cydonia 24B V4.1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

GPT-5 Chat, from OpenAI, has a 128,000-token context window and is priced by the provider serving it on OpenRouter.

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.

Context window

• GPT-5 Chat: 128,000 tokens
• Cydonia 24B V4.1: 131,072 tokens

Price

• GPT-5 Chat: Pricing varies by provider
• Cydonia 24B V4.1: $0.30/M tokens input, $0.50/M tokens output

Provided by

• GPT-5 Chat: OpenAI
• Cydonia 24B V4.1: Drummer

• GPT-5 Chat model details, providers and pricing
• Cydonia 24B V4.1 model details, providers and pricing