# GLM-5.3 vs Inkling

> GLM-5.3 is the stronger model overall, scoring 54.8 to 44.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/glm-5-3-vs-inkling
- Last updated: 2026-10-11
- Shared benchmarks: 36

## Summary

- They share 36 benchmarks with published results for both. GLM-5.3 scores higher in 9 categories and Inkling in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where GLM-5.3 leads 62.3 to 31.3.
- The biggest single-benchmark swing is ProofBench: 49% for GLM-5.3 and 0% for Inkling.
- GLM-5.3 is cheaper at $1.40 / $4.40 per million input/output tokens, against $1.87 / $4.68 for Inkling.
- GLM-5.3 accepts more context: 1M tokens versus 66K.

## Snapshot

| | GLM-5.3 | Inkling |
|---|---|---|
| Provider | Z.ai (Zhipu) | Thinking Machines Lab |
| Noometry Index | 54.8 | 44.1 |
| Rank | 26 | 80 |
| Context | 1M | 66K |
| Input $/M | $1.40 | $1.87 |
| Output $/M | $4.40 | $4.68 |
| Weights | Open | Open |

## Coding

- GLM-5.3: 59.5 (#14)
- Inkling: 34.5 (#234)

| Benchmark | GLM-5.3 | Inkling |
|---|---|---|
| FrontierCode | 40.1% | 14% |
| LMArena WebDev | 1622 | 1413 |
| FrontierSWE | 30.2% | 4.1% |
| SciCode | 59% | 47% |
| WeirdML | 75.4% | 32.3% |
| LMArena Coding | 1496 | 1464 |
| ALE-Bench | 1,317 | 946 |
| DeepSWE | 69% | — |
| CursorBench | 42.6% | — |

## Agentic & Tool Use

- GLM-5.3: 36.4 (#38)
- Inkling: 29.6 (#85)

| Benchmark | GLM-5.3 | Inkling |
|---|---|---|
| APEX-Agents | 56.6% | 33.8% |
| τ²-bench Banking | — | 25% |
| Vending-Bench 2 | 8,164 | — |

## Reasoning

- GLM-5.3: 46.1 (#46)
- Inkling: 40.4 (#56)

| Benchmark | GLM-5.3 | Inkling |
|---|---|---|
| CritPt | 19.1% | 5.4% |
| Chess Puzzles | 21% | 21% |
| LMArena Hard Prompts | 1489 | 1451 |
| DTBench | 87.7% | 87.5% |
| LMCA | 55.5% | 37.6% |
| Epoch Capabilities Index | 155.61 | 148.54 |
| ARC-AGI-2 | — | 36.5% |
| SimpleBench | — | 50% |
| NYT Connections (extended) | 74.2% | — |
| ARC-AGI-1 | — | 79.5% |
| Mystery Game Puzzles | 33% | — |
| Bench to the Future 3 | 0.15 | — |

## Math

- GLM-5.3: 62.3 (#33)
- Inkling: 31.3 (#225)

| Benchmark | GLM-5.3 | Inkling |
|---|---|---|
| FrontierMath (Tiers 1-3) | 68.8% | 33.3% |
| FrontierMath Tier 4 | 29.3% | 4.9% |
| OTIS Mock AIME 2024-2025 | 91.1% | 88.9% |
| ProofBench | 49% | 0% |
| LMArena Math | 1489 | 1479 |

## Knowledge

- GLM-5.3: 58.3 (#37)
- Inkling: 55.1 (#49)

| Benchmark | GLM-5.3 | Inkling |
|---|---|---|
| GPQA Diamond | 90.9% | 88.3% |
| SimpleQA Verified | 41% | 40.3% |
| LMArena Expert | 1516 | 1465 |

## Multilingual

- GLM-5.3: 55.7 (#28)
- Inkling: 54.0 (#52)

| Benchmark | GLM-5.3 | Inkling |
|---|---|---|
| LMArena Non-English | 1457 | 1434 |
| LMArena Chinese | 1528 | 1490 |
| LMArena French | 1499 | 1458 |
| LMArena German | 1499 | 1446 |
| LMArena Japanese | 1453 | 1429 |
| LMArena Korean | 1472 | 1404 |
| LMArena Russian | 1463 | 1429 |
| LMArena Spanish | 1460 | 1448 |

## Instruction Following

- GLM-5.3: 77.5 (#23)
- Inkling: 75.1 (#71)

| Benchmark | GLM-5.3 | Inkling |
|---|---|---|
| LMArena Instruction Following | 1477 | 1426 |

## Long Context

- GLM-5.3: 45.4 (#41)
- Inkling: 43.8 (#86)

| Benchmark | GLM-5.3 | Inkling |
|---|---|---|
| LMArena Longer Query | 1482 | 1434 |

## Writing & Preference

- GLM-5.3: 75.7 (#6)
- Inkling: 65.2 (#51)

| Benchmark | GLM-5.3 | Inkling |
|---|---|---|
| LMArena Text | 1471 | 1441 |
| LMArena Creative Writing | 1457 | 1387 |
| EQ-Bench Creative Writing | 2075 | 1611 |
| LMArena Multi-Turn | 1472 | 1436 |
| EQ-Bench 4 | — | 1226 |

## FAQ

### Is GLM-5.3 better than Inkling?

GLM-5.3 is the stronger model overall, scoring 54.8 to 44.1 on the Noometry Index.

### Which is cheaper, GLM-5.3 or Inkling?

GLM-5.3 is cheaper. It lists at $1.40 per million input tokens and $4.40 per million output tokens; Inkling lists at $1.87 and $4.68.

### Is GLM-5.3 or Inkling better for coding?

GLM-5.3 scores higher on coding benchmarks: 59.5 versus 34.5 in the Noometry coding category.

### Which has the bigger context window?

GLM-5.3 does, with 1M tokens against 66K.

### How many benchmarks do GLM-5.3 and Inkling share?

36 benchmarks have published results for both models. GLM-5.3 has 42 scored results on Noometry and Inkling has 41.
