Gemini 3 Pro vs Kimi K3

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

Gemini 3 Pro by Google and Kimi K3 by Moonshot AI are evenly matched across 6 benchmarks. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.

Category-by-Category Breakdown

Coding: In coding, Kimi K3 scores 1377 on Design Arena ELO compared to Gemini 3 Pro's 1259, while Kimi K3 scores 1352 on Website Arena ELO compared to Gemini 3 Pro's 1265.

Reasoning: In reasoning, Gemini 3 Pro scores 91.9% on GPQA Diamond compared to Kimi K3's 91.5%.

Context: In context, Kimi K3 scores 1.0M on Context Length compared to Gemini 3 Pro's 1.0M.

Pricing Comparison

Gemini 3 Pro costs $2.0/1M input tokens and $12.0/1M output tokens, while Kimi K3 costs $2.6/1M input and $13.3/1M output. Gemini 3 Pro is the more affordable option for API usage.

Verdict

Gemini 3 Pro leads across the board in affordability, making it the stronger overall choice in this comparison.

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Gemini 3 Pro vs Kimi K3 — FAQ

Which is better, Gemini 3 Pro or Kimi K3?

Gemini 3 Pro and Kimi K3 are evenly matched across benchmarks. The best choice depends on your specific priorities such as coding ability, speed, or pricing.

How does Gemini 3 Pro compare to Kimi K3 for coding?

SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.

Is Gemini 3 Pro cheaper than Kimi K3?

Yes, Gemini 3 Pro is cheaper. Gemini 3 Pro costs $2.0/1M input and $12.0/1M output tokens. Kimi K3 costs $2.6/1M input and $13.3/1M output tokens.

Which is faster, Gemini 3 Pro or Kimi K3?

Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.

What benchmarks does the Gemini 3 Pro vs Kimi K3 comparison cover?

This comparison covers 6 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, Design Arena ELO, Website Arena ELO. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.