# Gemini 2.5 Flash-Lite vs Grok 3

> Grok 3 is the stronger model overall, scoring 39.9 to 37.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-2-5-flash-lite-vs-grok-3
- Last updated: 2026-10-10
- Shared benchmarks: 27

## Summary

- They share 27 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 2 categories and Grok 3 in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 3 leads 46.2 to 32.5.
- The biggest single-benchmark swing is GPQA (HELM): 30.9% for Gemini 2.5 Flash-Lite and 65% for Grok 3.

## Snapshot

| | Gemini 2.5 Flash-Lite | Grok 3 |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 37.0 | 39.9 |
| Rank | 211 | 157 |
| Context | 1.05M | — |
| Input $/M | $0.10 | — |
| Output $/M | $0.40 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 2.5 Flash-Lite: 38.5 (#173)
- Grok 3: 41.9 (#115)

| Benchmark | Gemini 2.5 Flash-Lite | Grok 3 |
|---|---|---|
| WeirdML | 35.2% | 37.2% |
| LMArena Coding | 1373 | 1432 |
| Aider Polyglot | — | 53.3% |
| ALE-Bench | 325.9 | — |

## Agentic & Tool Use

- Gemini 2.5 Flash-Lite: 28.0 (#96)
- Grok 3: 30.5 (#76)

| Benchmark | Gemini 2.5 Flash-Lite | Grok 3 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 36.9% | — |
| BALROG | — | 29.5% |

## Reasoning

- Gemini 2.5 Flash-Lite: 22.2 (#205)
- Grok 3: 13.7 (#333)

| Benchmark | Gemini 2.5 Flash-Lite | Grok 3 |
|---|---|---|
| Kagi LLM Benchmark | 40.5% | 61.3% |
| LMArena Hard Prompts | 1377 | 1434 |
| Epoch Capabilities Index | 133.94 | 138.33 |
| ARC-AGI-2 | — | 0% |
| SimpleBench | — | 36.1% |
| ARC-AGI-1 | — | 5.5% |
| DTBench | 62.8% | — |
| LMCA | 18.1% | — |

## Math

- Gemini 2.5 Flash-Lite: 38.0 (#144)
- Grok 3: 38.0 (#145)

| Benchmark | Gemini 2.5 Flash-Lite | Grok 3 |
|---|---|---|
| Omni-MATH | 48% | 46.4% |
| LMArena Math | 1373 | 1391 |
| OTIS Mock AIME 2024-2025 | — | 55.6% |
| MATH Level 5 | — | 88.7% |
| FrontierMath (Feb 2025 set) | — | 3.8% |
| FrontierMath Tier 4 (v1) | — | 0% |

## Knowledge

- Gemini 2.5 Flash-Lite: 32.5 (#210)
- Grok 3: 46.2 (#82)

| Benchmark | Gemini 2.5 Flash-Lite | Grok 3 |
|---|---|---|
| MMLU-Pro | 53.7% | 78.8% |
| Vectara Hallucination Rate | 3.3% | 5.8% |
| GPQA (HELM) | 30.9% | 65% |
| LMArena Expert | 1373 | 1421 |
| GPQA Diamond | — | 75.8% |
| Confabulations | — | 14.2% |

## Multimodal

- Gemini 2.5 Flash-Lite: 29.1 (#114)
- Grok 3: —

| Benchmark | Gemini 2.5 Flash-Lite | Grok 3 |
|---|---|---|
| LMArena Vision | 1198 | — |
| VPCT | 30% | — |

## Multilingual

- Gemini 2.5 Flash-Lite: 49.3 (#134)
- Grok 3: 52.3 (#87)

| Benchmark | Gemini 2.5 Flash-Lite | Grok 3 |
|---|---|---|
| LMArena Non-English | 1369 | 1410 |
| LMArena Chinese | 1404 | 1448 |
| LMArena French | 1388 | 1460 |
| LMArena German | 1389 | 1431 |
| LMArena Japanese | 1359 | 1387 |
| LMArena Korean | 1360 | 1373 |
| LMArena Russian | 1373 | 1416 |
| LMArena Spanish | 1396 | 1417 |

## Instruction Following

- Gemini 2.5 Flash-Lite: 70.0 (#168)
- Grok 3: 75.0 (#73)

| Benchmark | Gemini 2.5 Flash-Lite | Grok 3 |
|---|---|---|
| IFEval | 81% | 88.4% |
| LMArena Instruction Following | 1367 | 1409 |

## Long Context

- Gemini 2.5 Flash-Lite: 33.3 (#262)
- Grok 3: 38.7 (#192)

| Benchmark | Gemini 2.5 Flash-Lite | Grok 3 |
|---|---|---|
| Fiction.LiveBench | 47.2% | 58.3% |
| LMArena Longer Query | 1373 | 1439 |

## Writing & Preference

- Gemini 2.5 Flash-Lite: 56.8 (#135)
- Grok 3: 55.8 (#141)

| Benchmark | Gemini 2.5 Flash-Lite | Grok 3 |
|---|---|---|
| LMArena Text | 1379 | 1426 |
| LMArena Creative Writing | 1367 | 1414 |
| WildBench | 81.8% | 84.9% |
| LMArena Multi-Turn | 1366 | 1425 |
| Short-Story Creative Writing | — | 76.4% |
| EQ-Bench Creative Writing | — | 1186 |

## FAQ

### Is Gemini 2.5 Flash-Lite better than Grok 3?

Grok 3 is the stronger model overall, scoring 39.9 to 37.0 on the Noometry Index.

### Is Gemini 2.5 Flash-Lite or Grok 3 better for coding?

Grok 3 scores higher on coding benchmarks: 41.9 versus 38.5 in the Noometry coding category.

### How many benchmarks do Gemini 2.5 Flash-Lite and Grok 3 share?

27 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and Grok 3 has 40.