Cogito v2.1 671B vs Gemini 2.5 Flash Lite Preview 09-2025: side-by-side summary

Cogito v2.1 671B and Gemini 2.5 Flash Lite Preview 09-2025 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Cogito v2.1 671B, from deepcogito, has a 128,000-token context window and is priced at $1.25/M tokens input, $1.25/M tokens output on OpenRouter.

Gemini 2.5 Flash Lite Preview 09-2025, from Google, has a 1,048,576-token context window and is priced by the provider serving it on OpenRouter.

Context window

• Cogito v2.1 671B: 128,000 tokens
• Gemini 2.5 Flash Lite Preview 09-2025: 1,048,576 tokens

Price

• Cogito v2.1 671B: $1.25/M tokens input, $1.25/M tokens output
• Gemini 2.5 Flash Lite Preview 09-2025: Pricing varies by provider

Provided by

• Cogito v2.1 671B: deepcogito
• Gemini 2.5 Flash Lite Preview 09-2025: Google

• Cogito v2.1 671B model details, providers and pricing
• Gemini 2.5 Flash Lite Preview 09-2025 model details, providers and pricing