Claude Opus 4.6 vs Gemini 3.1 Pro Preview vs Kimi K2.5

Compare Claude Opus 4.6 from Anthropic, Gemini 3.1 Pro Preview from Google, and Kimi K2.5 from moonshotai on key metrics including benchmarks, price, context length, and other model features. Access all 3 models and hundreds of others through the OpenRouter API.

Claude Opus 4.6 vs Gemini 3.1 Pro Preview vs Kimi K2.5: side-by-side summary

Claude Opus 4.6, Gemini 3.1 Pro Preview, and Kimi K2.5 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Claude Opus 4.6, from Anthropic, has a 1,000,000-token context window and is priced at $5/M tokens input, $25/M tokens output on OpenRouter.

Gemini 3.1 Pro Preview, from Google, has a 1,048,576-token context window and is priced at $2/M tokens input, $12/M tokens output on OpenRouter.

Kimi K2.5, from moonshotai, has a 262,144-token context window and is priced at $0.45/M tokens input, $2.25/M tokens output on OpenRouter.

Context window: Claude Opus 4.6: 1,000,000 tokens
Gemini 3.1 Pro Preview: 1,048,576 tokens
Kimi K2.5: 262,144 tokens
Price: Claude Opus 4.6: $5/M tokens input, $25/M tokens output
Gemini 3.1 Pro Preview: $2/M tokens input, $12/M tokens output
Kimi K2.5: $0.45/M tokens input, $2.25/M tokens output
Provided by: Claude Opus 4.6: Anthropic
Gemini 3.1 Pro Preview: Google
Kimi K2.5: moonshotai

Claude Opus 4.6 vs Gemini 3.1 Pro Preview vs Kimi K2.5

Compare Claude Opus 4.6 from Anthropic, Gemini 3.1 Pro Preview from Google, and Kimi K2.5 from moonshotai on key metrics including benchmarks, price, context length, and other model features. Access all 3 models and hundreds of others through the OpenRouter API.