# Gemini 3.1 Flash Lite vs GLM-5.3-Flash

> GLM-5.3-Flash is the stronger model overall, scoring 49.6 to 40.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-3-1-flash-lite-vs-glm-5-3-flash
- Last updated: 2026-10-10
- Shared benchmarks: 27

## Summary

- They share 27 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 0 categories and GLM-5.3-Flash in 10 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GLM-5.3-Flash leads 58.4 to 41.7.
- The biggest single-benchmark swing is FrontierMath (Tiers 1-3): 27.7% for Gemini 3.1 Flash Lite and 55.8% for GLM-5.3-Flash.
- GLM-5.3-Flash is cheaper at $0.15 / $0.50 per million input/output tokens, against $0.25 / $1.50 for Gemini 3.1 Flash Lite.
- Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 1M.
- GLM-5.3-Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 3.1 Flash Lite | GLM-5.3-Flash |
|---|---|---|
| Provider | Google | Z.ai (Zhipu) |
| Noometry Index | 40.4 | 49.6 |
| Rank | 141 | 45 |
| Context | 1.05M | 1M |
| Input $/M | $0.25 | $0.15 |
| Output $/M | $1.50 | $0.50 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3.1 Flash Lite: 37.5 (#179)
- GLM-5.3-Flash: 53.7 (#26)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5.3-Flash |
|---|---|---|
| LMArena WebDev | 1256 | 1614 |
| SciCode | 41.9% | 51.6% |
| LMArena Coding | 1400 | 1506 |
| ALE-Bench | 797.73 | 303.55 |
| DeepSWE | — | 63.4% |
| FrontierCode | — | 31.8% |
| WeirdML | 52.2% | — |

## Agentic & Tool Use

- Gemini 3.1 Flash Lite: 29.9 (#72)
- GLM-5.3-Flash: 34.3 (#41)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5.3-Flash |
|---|---|---|
| APEX-Agents | — | 52.8% |
| DeepResearch Bench | 37.3% | — |
| GDP.pdf | — | 14% |

## Reasoning

- Gemini 3.1 Flash Lite: 22.3 (#181)
- GLM-5.3-Flash: 31.7 (#69)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5.3-Flash |
|---|---|---|
| CritPt | 1.1% | 15.4% |
| Chess Puzzles | 25% | 14% |
| LMArena Hard Prompts | 1407 | 1490 |
| Epoch Capabilities Index | 144.45 | 151.9 |
| Kagi LLM Benchmark | 67.2% | — |
| NYT Connections (extended) | 8.2% | — |
| EnigmaEval | 3% | — |
| Thematic Generalization | 63.3% | — |
| Mystery Game Puzzles | — | 8% |
| DTBench | 76.8% | — |
| LMCA | 35% | — |
| Surface Evolver Bench | — | 52.5% |
| Bench to the Future 3 | — | 0.15 |
| ForecastBench | 54.4 | — |

## Math

- Gemini 3.1 Flash Lite: 39.5 (#82)
- GLM-5.3-Flash: 53.1 (#38)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5.3-Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | 27.7% | 55.8% |
| OTIS Mock AIME 2024-2025 | 80% | 93.9% |
| LMArena Math | 1427 | 1499 |
| FrontierMath Tier 4 | — | 17.1% |
| ProofBench | — | 21% |

## Knowledge

- Gemini 3.1 Flash Lite: 41.7 (#95)
- GLM-5.3-Flash: 58.4 (#33)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5.3-Flash |
|---|---|---|
| GPQA Diamond | 81.8% | 90.2% |
| LMArena Expert | 1397 | 1512 |
| Humanity's Last Exam | 8.6% | — |
| Vectara Hallucination Rate | 8.2% | — |

## Multimodal

- Gemini 3.1 Flash Lite: 38.7 (#57)
- GLM-5.3-Flash: 42.6 (#25)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5.3-Flash |
|---|---|---|
| LMArena Vision | 1240 | 1304 |

## Multilingual

- Gemini 3.1 Flash Lite: 52.5 (#82)
- GLM-5.3-Flash: 56.2 (#24)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5.3-Flash |
|---|---|---|
| LMArena Non-English | 1410 | 1462 |
| LMArena Chinese | 1461 | 1529 |
| LMArena French | 1423 | 1495 |
| LMArena German | 1429 | 1457 |
| LMArena Japanese | 1411 | 1420 |
| LMArena Korean | 1393 | 1443 |
| LMArena Russian | 1420 | 1472 |
| LMArena Spanish | 1420 | 1471 |

## Instruction Following

- Gemini 3.1 Flash Lite: 72.9 (#126)
- GLM-5.3-Flash: 77.8 (#17)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5.3-Flash |
|---|---|---|
| LMArena Instruction Following | 1376 | 1480 |

## Long Context

- Gemini 3.1 Flash Lite: 42.5 (#117)
- GLM-5.3-Flash: 45.3 (#41)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5.3-Flash |
|---|---|---|
| LMArena Longer Query | 1394 | 1479 |

## Writing & Preference

- Gemini 3.1 Flash Lite: 61.0 (#90)
- GLM-5.3-Flash: 65.4 (#49)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5.3-Flash |
|---|---|---|
| LMArena Text | 1416 | 1471 |
| LMArena Creative Writing | 1401 | 1440 |
| LMArena Multi-Turn | 1417 | 1471 |

## FAQ

### Is Gemini 3.1 Flash Lite better than GLM-5.3-Flash?

GLM-5.3-Flash is the stronger model overall, scoring 49.6 to 40.4 on the Noometry Index.

### Which is cheaper, Gemini 3.1 Flash Lite or GLM-5.3-Flash?

GLM-5.3-Flash is cheaper. It lists at $0.15 per million input tokens and $0.50 per million output tokens; Gemini 3.1 Flash Lite lists at $0.25 and $1.50.

### Is Gemini 3.1 Flash Lite or GLM-5.3-Flash better for coding?

GLM-5.3-Flash scores higher on coding benchmarks: 53.7 versus 37.5 in the Noometry coding category.

### Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 1M.

### How many benchmarks do Gemini 3.1 Flash Lite and GLM-5.3-Flash share?

27 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and GLM-5.3-Flash has 36.