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Kimi K2 Instruct vs Gemini 3 Flash Thinking

Kimi K2 Instruct is cheaper on output tokens, while Gemini 3 Flash Thinking offers a larger context window. Choose Kimi K2 Instruct or Gemini 3 Flash Thinking based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecKimi K2 InstructGemini 3 Flash Thinking
ProviderCortecsNanoGPT
Input / 1M tokens$0.55$0.50
Output / 1M tokens$2.65$3.00
Context window131K1M
Parameters——
Open weightsYesNo
ReleasedJul 2025Dec 2025
SWE-bench Verified score53.4—
LiveBench score—73.0

FAQ

Is Kimi K2 Instruct or Gemini 3 Flash Thinking cheaper?

Kimi K2 Instruct is cheaper on output tokens ($2.65 vs $3.00 per 1M).

Which has the larger context window, Kimi K2 Instruct or Gemini 3 Flash Thinking?

Gemini 3 Flash Thinking has the larger context window (1M tokens).

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.