# Gemini 3.1 Flash Lite vs GLM-5

> GLM-5 is the stronger model overall, scoring 45.9 to 40.4 on the Noometry Index. Gemini 3.1 Flash Lite costs 2.8× less per token, which makes it the better buy when GLM-5's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemini-3-1-flash-lite-vs-glm-5
- Last updated: 2026-10-10
- Shared benchmarks: 28

## Summary

- They share 28 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 0 categories and GLM-5 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in coding, where GLM-5 leads 49.0 to 37.5.
- The biggest single-benchmark swing is NYT Connections (extended): 8.2% for Gemini 3.1 Flash Lite and 74.8% for GLM-5.
- Gemini 3.1 Flash Lite is cheaper at $0.25 / $1.50 per million input/output tokens, against $1 / $3.20 for GLM-5.
- Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 205K.
- GLM-5 has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 3.1 Flash Lite | GLM-5 |
|---|---|---|
| Provider | Google | Z.ai (Zhipu) |
| Noometry Index | 40.4 | 45.9 |
| Rank | 141 | 59 |
| Context | 1.05M | 205K |
| Input $/M | $0.25 | $1 |
| Output $/M | $1.50 | $3.20 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3.1 Flash Lite: 37.5 (#179)
- GLM-5: 49.0 (#47)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5 |
|---|---|---|
| LMArena WebDev | 1256 | 1434 |
| WeirdML | 52.2% | 48.2% |
| LMArena Coding | 1400 | 1461 |
| ALE-Bench | 797.73 | 765.62 |
| SWE-bench Verified | — | 72.1% |
| SWE-bench Verified (bash only) | — | 72.8% |
| SWE-bench Multilingual | — | 69.7% |
| SciCode | 41.9% | — |

## Agentic & Tool Use

- Gemini 3.1 Flash Lite: 29.9 (#72)
- GLM-5: 30.9 (#65)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5 |
|---|---|---|
| Terminal-Bench | — | 52.4% |
| τ²-bench Airline | — | 82.5% |
| τ²-bench Banking | — | 9.8% |
| τ²-bench Retail | — | 73.7% |
| τ²-bench Telecom | — | 86.8% |
| DeepResearch Bench | 37.3% | — |
| Vending-Bench 2 | — | 4,432 |

## Reasoning

- Gemini 3.1 Flash Lite: 22.3 (#181)
- GLM-5: 27.6 (#100)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5 |
|---|---|---|
| Kagi LLM Benchmark | 67.2% | 75% |
| NYT Connections (extended) | 8.2% | 74.8% |
| Chess Puzzles | 25% | 10% |
| LMArena Hard Prompts | 1407 | 1451 |
| Epoch Capabilities Index | 144.45 | 145.84 |
| ForecastBench | 54.4 | 61 |
| ARC-AGI-2 | — | 4.9% |
| SimpleBench | — | 53.2% |
| ARC-AGI-1 | — | 44.7% |
| CritPt | 1.1% | — |
| EnigmaEval | 3% | — |
| Thematic Generalization | 63.3% | — |
| DTBench | 76.8% | — |
| LMCA | 35% | — |

## Math

- Gemini 3.1 Flash Lite: 39.5 (#82)
- GLM-5: 44.8 (#66)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 80% | 80% |
| LMArena Math | 1427 | 1440 |
| FrontierMath (Tiers 1-3) | 27.7% | — |
| MathArena Final-Answer Competitions | — | 65.7% |
| FrontierMath (Feb 2025 set) | — | 16.4% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- Gemini 3.1 Flash Lite: 41.7 (#95)
- GLM-5: 52.2 (#59)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5 |
|---|---|---|
| GPQA Diamond | 81.8% | 87.8% |
| Vectara Hallucination Rate | 8.2% | 10.1% |
| LMArena Expert | 1397 | 1454 |
| Humanity's Last Exam | 8.6% | — |

## Multimodal

- Gemini 3.1 Flash Lite: 38.7 (#57)
- GLM-5: —

| Benchmark | Gemini 3.1 Flash Lite | GLM-5 |
|---|---|---|
| LMArena Vision | 1240 | — |

## Multilingual

- Gemini 3.1 Flash Lite: 52.5 (#82)
- GLM-5: 53.9 (#57)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5 |
|---|---|---|
| LMArena Non-English | 1410 | 1430 |
| LMArena Chinese | 1461 | 1511 |
| LMArena French | 1423 | 1455 |
| LMArena German | 1429 | 1445 |
| LMArena Japanese | 1411 | 1416 |
| LMArena Korean | 1393 | 1421 |
| LMArena Russian | 1420 | 1436 |
| LMArena Spanish | 1420 | 1452 |

## Instruction Following

- Gemini 3.1 Flash Lite: 72.9 (#126)
- GLM-5: 75.4 (#64)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5 |
|---|---|---|
| LMArena Instruction Following | 1376 | 1427 |

## Long Context

- Gemini 3.1 Flash Lite: 42.5 (#117)
- GLM-5: 44.6 (#58)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5 |
|---|---|---|
| LMArena Longer Query | 1394 | 1446 |
| CL-bench | — | 18.7% |

## Writing & Preference

- Gemini 3.1 Flash Lite: 61.0 (#90)
- GLM-5: 66.2 (#38)

| Benchmark | Gemini 3.1 Flash Lite | GLM-5 |
|---|---|---|
| LMArena Text | 1416 | 1446 |
| LMArena Creative Writing | 1401 | 1438 |
| LMArena Multi-Turn | 1417 | 1456 |
| EQ-Bench Creative Writing | — | 1601 |

## FAQ

### Is Gemini 3.1 Flash Lite better than GLM-5?

GLM-5 is the stronger model overall, scoring 45.9 to 40.4 on the Noometry Index. Gemini 3.1 Flash Lite costs 2.8× less per token, which makes it the better buy when GLM-5's lead doesn't matter for your workload.

### Which is cheaper, Gemini 3.1 Flash Lite or GLM-5?

Gemini 3.1 Flash Lite is cheaper. It lists at $0.25 per million input tokens and $1.50 per million output tokens; GLM-5 lists at $1 and $3.20.

### Is Gemini 3.1 Flash Lite or GLM-5 better for coding?

GLM-5 scores higher on coding benchmarks: 49.0 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 205K.

### How many benchmarks do Gemini 3.1 Flash Lite and GLM-5 share?

28 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and GLM-5 has 45.