# GLM-5.1 vs Phi 3 Small 8k Instruct

> GLM-5.1 is the stronger model overall, scoring 47.8 to 29.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/glm-5-1-vs-phi-3-small-8k-instruct
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. GLM-5.1 scores higher in 8 categories and Phi 3 Small 8k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GLM-5.1 leads 66.9 to 31.1.

## Snapshot

| | GLM-5.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| Provider | Z.ai (Zhipu) | Microsoft |
| Noometry Index | 47.8 | 29.3 |
| Rank | 59 | 314 |
| Context | 200K | — |
| Input $/M | $1.40 | — |
| Output $/M | $4.40 | — |
| Weights | Open | Open |

## Coding

- GLM-5.1: 48.7 (#55)
- Phi 3 Small 8k Instruct: 27.9 (#318)

| Benchmark | GLM-5.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Coding | 1485 | 1101 |
| SWE-bench Verified | 74.2% | — |
| LMArena WebDev | 1508 | — |
| SciCode | 43.8% | — |
| WeirdML | 57.1% | — |
| LiveBench Coding | — | 20.3% |
| ALE-Bench | 887.1 | — |

## Agentic & Tool Use

- GLM-5.1: 24.9 (#113)
- Phi 3 Small 8k Instruct: —

| Benchmark | GLM-5.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| APEX-Agents | 40.9% | — |
| ExploitBench | 18.1% | — |
| GBAEval | 0% | — |
| Vending-Bench 2 | 5,634 | — |

## Reasoning

- GLM-5.1: 39.1 (#60)
- Phi 3 Small 8k Instruct: 14.8 (#323)

| Benchmark | GLM-5.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1472 | 1100 |
| SimpleBench | 55.1% | — |
| NYT Connections (extended) | 77.7% | — |
| CritPt | 4.6% | — |
| Chess Puzzles | 19% | — |
| Thematic Generalization | 69.8% | — |
| LiveBench Reasoning | — | 15.9% |
| LiveBench Data Analysis | — | 30.3% |
| Adversarial NLI | — | 58.1% |
| BIG-Bench Hard | — | 79.1% |
| Epoch Capabilities Index | 149.84 | — |
| HellaSwag | — | 77% |
| LiveBench | — | 24% |
| WinoGrande | — | 81.5% |

## Math

- GLM-5.1: 49.7 (#60)
- Phi 3 Small 8k Instruct: 27.6 (#248)

| Benchmark | GLM-5.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Math | 1473 | 1151 |
| FrontierMath (Tiers 1-3) | 36.8% | — |
| MathArena Final-Answer Competitions | 67.1% | — |
| OTIS Mock AIME 2024-2025 | 93.3% | — |
| ProofBench | 22.2% | — |
| LiveBench Math | — | 17.6% |
| FrontierMath (Feb 2025 set) | 33.4% | — |
| FrontierMath Tier 4 (v1) | 12.5% | — |

## Knowledge

- GLM-5.1: 54.9 (#50)
- Phi 3 Small 8k Instruct: 29.1 (#240)

| Benchmark | GLM-5.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Expert | 1476 | 1067 |
| GPQA Diamond | 89.9% | — |
| SimpleQA Verified | 34% | — |
| ARC (AI2) Challenge | — | 90.7% |
| MMLU | — | 75.7% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 58.1% |

## Multilingual

- GLM-5.1: 55.0 (#36)
- Phi 3 Small 8k Instruct: 28.5 (#272)

| Benchmark | GLM-5.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | 1447 | 1058 |
| LMArena Chinese | 1515 | 1061 |
| LMArena French | 1474 | 1135 |
| LMArena German | 1465 | 1080 |
| LMArena Japanese | 1434 | 966 |
| LMArena Korean | 1418 | 894 |
| LMArena Russian | 1454 | 1111 |
| LMArena Spanish | 1469 | 1111 |

## Instruction Following

- GLM-5.1: 76.3 (#42)
- Phi 3 Small 8k Instruct: 51.9 (#292)

| Benchmark | GLM-5.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Instruction Following | 1451 | 1087 |
| LiveBench Instruction Following | — | 47.2% |

## Long Context

- GLM-5.1: 44.9 (#53)
- Phi 3 Small 8k Instruct: 33.0 (#267)

| Benchmark | GLM-5.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | 1466 | 1088 |

## Writing & Preference

- GLM-5.1: 66.9 (#31)
- Phi 3 Small 8k Instruct: 31.1 (#284)

| Benchmark | GLM-5.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | 1461 | 1110 |
| LMArena Creative Writing | 1453 | 1083 |
| LMArena Multi-Turn | 1472 | 1068 |
| EQ-Bench Creative Writing | 1592 | — |
| LiveBench Language | — | 12.9% |

## FAQ

### Is GLM-5.1 better than Phi 3 Small 8k Instruct?

GLM-5.1 is the stronger model overall, scoring 47.8 to 29.3 on the Noometry Index.

### Is GLM-5.1 or Phi 3 Small 8k Instruct better for coding?

GLM-5.1 scores higher on coding benchmarks: 48.7 versus 27.9 in the Noometry coding category.

### How many benchmarks do GLM-5.1 and Phi 3 Small 8k Instruct share?

17 benchmarks have published results for both models. GLM-5.1 has 41 scored results on Noometry and Phi 3 Small 8k Instruct has 32.