Model comparison
Gemini 3.1 Flash Lite vs Grok-2 (Dec 2024)
Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 33.7 on the Noometry Index.
Last verified . 22 shared benchmarks.
GoogleSummary
- They share 22 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 8 categories and Grok-2 (Dec 2024) in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 3.1 Flash Lite leads 40.7 to 20.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 80% for Gemini 3.1 Flash Lite and 11.5% for Grok-2 (Dec 2024).
Side by side
| Gemini 3.1 Flash Lite | Grok-2 (Dec 2024) | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 40.8 | 33.7 |
| Released | 2026-03-03 | 2024-08-13 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.25 | — |
| Output $ / M tokens | $1.50 | — |
| Results tracked | 38 | 34 |
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Category by category
Coding Gemini 3.1 Flash Lite leads
Gemini 3.1 Flash Lite: 37.8 (#188), Grok-2 (Dec 2024): 33.3 (#258)
| Benchmark | Gemini 3.1 Flash Lite | Grok-2 (Dec 2024) |
|---|---|---|
| WeirdML | 52.2% | 22.2% |
| LMArena Coding | 1400 | 1287 |
| LMArena WebDev | 1256 | — |
| SciCode | 41.9% | — |
| LiveBench Coding | — | 46.4% |
| ALE-Bench | 797.73 | — |
Agentic & Tool Use Not comparable
Gemini 3.1 Flash Lite: 30.2 (#79), Grok-2 (Dec 2024): —
| Benchmark | Gemini 3.1 Flash Lite | Grok-2 (Dec 2024) |
|---|---|---|
| DeepResearch Bench | 37.3% | — |
Reasoning Gemini 3.1 Flash Lite leads
Gemini 3.1 Flash Lite: 22.9 (#186), Grok-2 (Dec 2024): 16.9 (#299)
| Benchmark | Gemini 3.1 Flash Lite | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Hard Prompts | 1407 | 1272 |
| DTBench | 76.8% | 65.2% |
| Epoch Capabilities Index | 144.47 | 130.48 |
| SimpleBench | — | 22.7% |
| Kagi LLM Benchmark | 67.2% | — |
| NYT Connections (extended) | 8.2% | — |
| CritPt | 1.1% | — |
| Chess Puzzles | 25% | — |
| EnigmaEval | 3% | — |
| Thematic Generalization | 63.3% | — |
| LiveBench Reasoning | — | 54.8% |
| LiveBench Data Analysis | — | 54.5% |
| LMCA | 35% | — |
| ForecastBench | 54.4 | — |
| LiveBench | — | 54.3% |
Math Gemini 3.1 Flash Lite leads
Gemini 3.1 Flash Lite: 40.7 (#90), Grok-2 (Dec 2024): 20.8 (#284)
| Benchmark | Gemini 3.1 Flash Lite | Grok-2 (Dec 2024) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 80% | 11.5% |
| LMArena Math | 1428 | 1283 |
| FrontierMath (Tiers 1-3) | 27.7% | — |
| LiveBench Math | — | 54.9% |
| MATH Level 5 | — | 63.5% |
| FrontierMath (Feb 2025 set) | — | 0.7% |
Knowledge Gemini 3.1 Flash Lite leads
Gemini 3.1 Flash Lite: 41.9 (#104), Grok-2 (Dec 2024): 29.8 (#233)
| Benchmark | Gemini 3.1 Flash Lite | Grok-2 (Dec 2024) |
|---|---|---|
| GPQA Diamond | 81.8% | 53.8% |
| LMArena Expert | 1398 | 1254 |
| Humanity's Last Exam | 8.6% | — |
| Confabulations | — | 20.1% |
| Vectara Hallucination Rate | 8.2% | — |
Multimodal Not comparable
Gemini 3.1 Flash Lite: 39.4 (#60), Grok-2 (Dec 2024): —
| Benchmark | Gemini 3.1 Flash Lite | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Vision | 1240 | — |
Multilingual Gemini 3.1 Flash Lite leads
Gemini 3.1 Flash Lite: 52.3 (#86), Grok-2 (Dec 2024): 43.1 (#188)
| Benchmark | Gemini 3.1 Flash Lite | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Non-English | 1411 | 1282 |
| LMArena Chinese | 1461 | 1289 |
| LMArena French | 1424 | 1318 |
| LMArena German | 1429 | 1287 |
| LMArena Japanese | 1413 | 1244 |
| LMArena Korean | 1392 | 1237 |
| LMArena Russian | 1420 | 1286 |
| LMArena Spanish | 1421 | 1281 |
Instruction Following Gemini 3.1 Flash Lite leads
Gemini 3.1 Flash Lite: 72.7 (#131), Grok-2 (Dec 2024): 66.9 (#202)
| Benchmark | Gemini 3.1 Flash Lite | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Instruction Following | 1377 | 1270 |
| LiveBench Instruction Following | — | 69.6% |
Long Context Gemini 3.1 Flash Lite leads
Gemini 3.1 Flash Lite: 42.5 (#122), Grok-2 (Dec 2024): 38.8 (#190)
| Benchmark | Gemini 3.1 Flash Lite | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Longer Query | 1394 | 1276 |
Writing & Preference Gemini 3.1 Flash Lite leads
Gemini 3.1 Flash Lite: 60.9 (#94), Grok-2 (Dec 2024): 48.6 (#198)
| Benchmark | Gemini 3.1 Flash Lite | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Text | 1416 | 1305 |
| LMArena Creative Writing | 1401 | 1284 |
| LMArena Multi-Turn | 1417 | 1290 |
| Short-Story Creative Writing | — | 63.6% |
| LiveBench Language | — | 45.6% |
Frequently asked questions
Is Gemini 3.1 Flash Lite better than Grok-2 (Dec 2024)?
Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 33.7 on the Noometry Index.
Is Gemini 3.1 Flash Lite or Grok-2 (Dec 2024) better for coding?
Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.8 versus 33.3 in the Noometry coding category.
How many benchmarks do Gemini 3.1 Flash Lite and Grok-2 (Dec 2024) share?
22 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Grok-2 (Dec 2024) has 34.