Gemini 3 Flash vs Kimi K3
Gemini 3 Flash (Google DeepMind) and Kimi K3 (Moonshot) compared on benchmarks, pricing, context window, and use-case rankings.
- Kimi K3 leads on overall intelligence (ECI 157 vs 151).
- Kimi K3 ranks higher for coding (99th vs 49th percentile).
| Attribute | Gemini 3 Flash | Kimi K3 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 151 | 157 |
| Coding | 49 | 99 |
| Math | 53 | 83 |
| Reasoning & Knowledge | 57 | 79 |
| Agentic & Tools | 63 | 86 |
| Specifications | ||
| Developer | Google DeepMind | Moonshot |
| Family | Gemini | Kimi |
| Released | Dec 17, 2025 | Jul 16, 2026 |
| Parameters | — | 2.8T |
| Availability | API access | Open weights (non-commercial) |
| Context window | — | 1M |
| Price — $/M input | — | $3.00 |
| Price — $/M output | — | $14.00 |
| Inputs | — | text, image |
| Outputs | — | text |
| Benchmarks | ||
| AIME 2024/2025 | 93% | 97% |
| APEX | 24% | 39% |
| ARC-AGI | 85% | 95% |
| ARC-AGI-2 | 34% | 60% |
| FrontierMath | 36% | — |
| FrontierMath Tier 4 | 4% | — |
| GPQA Diamond | 83% | 93% |
| GSO (code optimization) | 10% | — |
| SimpleBench | 61% | — |
| SimpleQA Verified | 67% | 43% |
| SWE-bench Verified | 75% | — |
| Terminal-Bench | 64% | — |
| WebDev Arena | 1454 | 1682 |
| WeirdML | 62% | 83% |
| Humanity's Last Exam | — | 44% |
| SciCode | — | 59% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Is Gemini 3 Flash better than Kimi K3?
On Epoch AI's Capabilities Index, Kimi K3 scores higher (157) than Gemini 3 Flash (151). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is better for coding, Gemini 3 Flash or Kimi K3?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Kimi K3 ranks higher — 99th vs 49th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.