Gemini 3 Flash vs Grok 4.6
Gemini 3 Flash (Google DeepMind) and Grok 4.6 (xAI) compared on benchmarks, pricing, context window, and use-case rankings.
- Grok 4.6 leads on overall intelligence (ECI 156 vs 152).
- Grok 4.6 ranks higher for coding (92th vs 37th percentile).
| Attribute | Gemini 3 Flash | Grok 4.6 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 152 | 156 |
| Coding | 37 | 92 |
| Math | 54 | 92 |
| Reasoning & Knowledge | 56 | 73 |
| Agentic & Tools | 58 | 84 |
| Specifications | ||
| Developer | Google DeepMind | xAI |
| Family | Gemini | Grok |
| Released | Dec 17, 2025 | Aug 12, 2026 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | — | 500K |
| Price — $/M input | — | $2.00 |
| Price — $/M output | — | $6.00 |
| Inputs | — | text, image, file |
| Outputs | — | text |
| Benchmarks | ||
| AIME 2024/2025 | 96% | 99% |
| APEX | 24% | 41% |
| ARC-AGI | 85% | 88% |
| ARC-AGI-2 | 34% | 67% |
| FrontierMath | 36% | — |
| FrontierMath Tier 4 | 4% | — |
| GPQA Diamond | 89% | 94% |
| GSO (code optimization) | 10% | — |
| SimpleBench | 61% | 76% |
| SimpleQA Verified | 67% | 49% |
| SWE-bench Verified | 75% | — |
| Terminal-Bench | 64% | — |
| WebDev Arena | 1383 | 1629 |
| WeirdML | 62% | 67% |
| Humanity's Last Exam | — | 43% |
| SciCode | — | 56% |
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 Grok 4.6?
On Epoch AI's Capabilities Index, Grok 4.6 scores higher (156) than Gemini 3 Flash (152). 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 Grok 4.6?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Grok 4.6 ranks higher — 92th vs 37th percentile among the models tracked on Model Beat.
Want a different match-up? Open the compare tool to add or swap models.
More comparisons
Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.