Overview
Gemini 2.5 Flash Preview 09-2025 vs Kimi K2 Thinking: side-by-side summary
Gemini 2.5 Flash Preview 09-2025 and Kimi K2 Thinking are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Gemini 2.5 Flash Preview 09-2025, from Google, has a 1,048,576-token context window and is priced by the provider serving it on OpenRouter.
Kimi K2 Thinking, from moonshotai, has a 262,144-token context window and is priced at $0.60/M tokens input, $2.50/M tokens output on OpenRouter.
- Context window
- Gemini 2.5 Flash Preview 09-2025: 1,048,576 tokens
- Kimi K2 Thinking: 262,144 tokens
- Price
- Gemini 2.5 Flash Preview 09-2025: Pricing varies by provider
- Kimi K2 Thinking: $0.60/M tokens input, $2.50/M tokens output
- Provided by
- Gemini 2.5 Flash Preview 09-2025: Google
- Kimi K2 Thinking: moonshotai