Model comparison
Gemini 3 Flash Preview vs Grok 4.7
Gemini 3 Flash Preview and Grok 4.7 score almost the same on the Noometry Index (52.3 vs 53.1), so choose on price, context window or the category you care about most.
Last verified . 31 shared benchmarks.
GoogleSummary
- They share 31 benchmarks with published results for both. Gemini 3 Flash Preview scores higher in 6 categories and Grok 4.7 in 4 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in multimodal, where Gemini 3 Flash Preview leads 45.5 to 35.5.
- The biggest single-benchmark swing is Blueprint-Bench 2: 0% for Gemini 3 Flash Preview and 32.5% for Grok 4.7.
- Gemini 3 Flash Preview is cheaper at $0.50 / $3 per million input/output tokens, against $2 / $6 for Grok 4.7.
- Gemini 3 Flash Preview accepts more context: 1.05M tokens versus 500K.
Side by side
| Gemini 3 Flash Preview | Grok 4.7 | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 52.3 | 53.1 |
| Released | 2025-12-17 | 2026-09-21 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 500K |
| Max output | 66K | 500K |
| Input $ / M tokens | $0.50 | $2 |
| Output $ / M tokens | $3 | $6 |
| Results tracked | 59 | 39 |
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Category by category
Coding Grok 4.7 leads
Gemini 3 Flash Preview: 50.9 (#42), Grok 4.7: 58.0 (#18)
| Benchmark | Gemini 3 Flash Preview | Grok 4.7 |
|---|---|---|
| LMArena WebDev | 1439 | 1639 |
| LMArena Coding | 1460 | 1427 |
| SWE-bench Verified | 75.4% | — |
| FrontierCode | — | 47.6% |
| SWE-bench Verified (bash only) | 75.8% | — |
| CursorBench | — | 46.3% |
| SWE-bench Multilingual | 72.7% | — |
| FrontierSWE | — | 29.5% |
| SciCode | — | 57.8% |
| GSO | 9.8% | — |
| WeirdML | 61.6% | — |
| ALE-Bench | 1,367 | — |
Agentic & Tool Use Gemini 3 Flash Preview leads
Gemini 3 Flash Preview: 38.7 (#29), Grok 4.7: 36.7 (#37)
| Benchmark | Gemini 3 Flash Preview | Grok 4.7 |
|---|---|---|
| GDP.pdf | 10% | 22.8% |
| Vending-Bench 2 | 3,635 | 10,537 |
| Terminal-Bench | 64.3% | — |
| APEX-Agents | — | 54.6% |
| τ²-bench Airline | 82.5% | — |
| τ²-bench Banking | 27.3% | — |
| τ²-bench Retail | 76.8% | — |
| τ²-bench Telecom | 91.2% | — |
| DeepResearch Bench | 49.8% | — |
| BALROG | 48.1% | — |
| LMArena Search | 1198 | — |
Reasoning Too close to call
Gemini 3 Flash Preview: 49.2 (#37), Grok 4.7: 49.1 (#40)
| Benchmark | Gemini 3 Flash Preview | Grok 4.7 |
|---|---|---|
| NYT Connections (extended) | 83.1% | 76.8% |
| Chess Puzzles | 40% | 38% |
| LMArena Hard Prompts | 1465 | 1413 |
| Mystery Game Puzzles | 26% | 29% |
| DTBench | 89.1% | 96% |
| LMCA | 43.1% | 49.4% |
| Epoch Capabilities Index | 151.8 | 153.53 |
| ARC-AGI-2 | 33.6% | — |
| SimpleBench | 61.1% | — |
| ARC-AGI-1 | 84.7% | — |
| CritPt | — | 18% |
| ForecastBench | 58.5 | — |
Math Grok 4.7 leads
Gemini 3 Flash Preview: 51.7 (#55), Grok 4.7: 57.8 (#39)
| Benchmark | Gemini 3 Flash Preview | Grok 4.7 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 51.2% | 53% |
| FrontierMath Tier 4 | 17.1% | 17.1% |
| OTIS Mock AIME 2024-2025 | 95.6% | 98.1% |
| ProofBench | 15% | 34% |
| LMArena Math | 1473 | 1407 |
| MathArena Final-Answer Competitions | 67.6% | — |
| FrontierMath (Feb 2025 set) | 35.6% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Grok 4.7 leads
Gemini 3 Flash Preview: 58.8 (#33), Grok 4.7: 62.8 (#22)
| Benchmark | Gemini 3 Flash Preview | Grok 4.7 |
|---|---|---|
| GPQA Diamond | 89.4% | 92.7% |
| SimpleQA Verified | 66.8% | 56% |
| LMArena Expert | 1462 | 1422 |
| Vectara Hallucination Rate | 13.5% | — |
Multimodal Gemini 3 Flash Preview leads
Gemini 3 Flash Preview: 45.5 (#16), Grok 4.7: 35.5 (#87)
| Benchmark | Gemini 3 Flash Preview | Grok 4.7 |
|---|---|---|
| LMArena Vision | 1285 | 1228 |
| Blueprint-Bench 2 | 0% | 32.5% |
| GeoBench | 88% | — |
| VPCT | 72.6% | — |
| Furniture Assembly | — | 20.8% |
| LMArena Document | 1413 | — |
Multilingual Gemini 3 Flash Preview leads
Gemini 3 Flash Preview: 55.7 (#27), Grok 4.7: 50.8 (#116)
| Benchmark | Gemini 3 Flash Preview | Grok 4.7 |
|---|---|---|
| LMArena Non-English | 1458 | 1389 |
| LMArena Chinese | 1511 | 1455 |
| LMArena French | 1477 | 1455 |
| LMArena Russian | 1480 | 1397 |
| LMArena Spanish | 1469 | 1400 |
| LMArena German | 1497 | — |
| LMArena Japanese | 1489 | — |
| LMArena Korean | 1443 | — |
Instruction Following Gemini 3 Flash Preview leads
Gemini 3 Flash Preview: 75.7 (#56), Grok 4.7: 74.1 (#105)
| Benchmark | Gemini 3 Flash Preview | Grok 4.7 |
|---|---|---|
| LMArena Instruction Following | 1437 | 1404 |
Long Context Gemini 3 Flash Preview leads
Gemini 3 Flash Preview: 44.4 (#67), Grok 4.7: 43.1 (#104)
| Benchmark | Gemini 3 Flash Preview | Grok 4.7 |
|---|---|---|
| LMArena Longer Query | 1452 | 1413 |
Writing & Preference Grok 4.7 leads
Gemini 3 Flash Preview: 65.5 (#45), Grok 4.7: 70.0 (#24)
| Benchmark | Gemini 3 Flash Preview | Grok 4.7 |
|---|---|---|
| LMArena Text | 1466 | 1399 |
| LMArena Creative Writing | 1457 | 1391 |
| LMArena Multi-Turn | 1471 | 1393 |
| EQ-Bench Creative Writing | — | 2007 |
Frequently asked questions
Is Gemini 3 Flash Preview better than Grok 4.7?
Gemini 3 Flash Preview and Grok 4.7 score almost the same on the Noometry Index (52.3 vs 53.1), so choose on price, context window or the category you care about most.
Which is cheaper, Gemini 3 Flash Preview or Grok 4.7?
Gemini 3 Flash Preview is cheaper. It lists at $0.50 per million input tokens and $3 per million output tokens; Grok 4.7 lists at $2 and $6.
Is Gemini 3 Flash Preview or Grok 4.7 better for coding?
Grok 4.7 scores higher on coding benchmarks: 58.0 versus 50.9 in the Noometry coding category.
Which has the bigger context window?
Gemini 3 Flash Preview does, with 1.05M tokens against 500K.
How many benchmarks do Gemini 3 Flash Preview and Grok 4.7 share?
31 benchmarks have published results for both models. Gemini 3 Flash Preview has 59 scored results on Noometry and Grok 4.7 has 39.