# GLM-4.5 vs Inkling

> Inkling is the stronger model overall, scoring 44.1 to 41.4 on the Noometry Index. GLM-4.5 costs 2.6× less per token, which makes it the better buy when Inkling's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/glm-4-5-vs-inkling
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. GLM-4.5 scores higher in 2 categories and Inkling in 6 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Inkling leads 55.2 to 35.5.
- The biggest single-benchmark swing is WeirdML: 40.6% for GLM-4.5 and 32.3% for Inkling.
- GLM-4.5 is cheaper at $0.60 / $2.20 per million input/output tokens, against $1.87 / $4.68 for Inkling.
- GLM-4.5 accepts more context: 131K tokens versus 66K.

## Snapshot

| | GLM-4.5 | Inkling |
|---|---|---|
| Provider | Z.ai (Zhipu) | Thinking Machines Lab |
| Noometry Index | 41.4 | 44.1 |
| Rank | 125 | 75 |
| Context | 131K | 66K |
| Input $/M | $0.60 | $1.87 |
| Output $/M | $2.20 | $4.68 |
| Weights | Open | Open |

## Coding

- GLM-4.5: 41.1 (#121)
- Inkling: 34.1 (#229)

| Benchmark | GLM-4.5 | Inkling |
|---|---|---|
| WeirdML | 40.6% | 32.3% |
| LMArena Coding | 1434 | 1463 |
| ALE-Bench | 344.82 | 946 |
| FrontierCode | — | 14% |
| SWE-bench Verified (bash only) | 54.2% | — |
| LMArena WebDev | — | 1412 |
| FrontierSWE | — | 4.1% |
| SciCode | — | 47% |
| AlgoTune | 1.52 | — |

## Agentic & Tool Use

- GLM-4.5: —
- Inkling: 29.5 (#76)

| Benchmark | GLM-4.5 | Inkling |
|---|---|---|
| APEX-Agents | — | 33.8% |
| τ²-bench Banking | — | 25% |

## Reasoning

- GLM-4.5: 27.7 (#99)
- Inkling: 40.6 (#48)

| Benchmark | GLM-4.5 | Inkling |
|---|---|---|
| LMArena Hard Prompts | 1430 | 1452 |
| ARC-AGI-2 | — | 36.5% |
| SimpleBench | — | 50% |
| Kagi LLM Benchmark | 57.9% | — |
| ARC-AGI-1 | — | 79.5% |
| CritPt | — | 5.4% |
| Chess Puzzles | — | 21% |
| DTBench | — | 87.5% |
| LMCA | — | 37.6% |
| Epoch Capabilities Index | — | 148.6 |

## Math

- GLM-4.5: 36.3 (#119)
- Inkling: 31.2 (#198)

| Benchmark | GLM-4.5 | Inkling |
|---|---|---|
| LMArena Math | 1427 | 1482 |
| FrontierMath (Tiers 1-3) | — | 33.3% |
| FrontierMath Tier 4 | — | 4.9% |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 0% |

## Knowledge

- GLM-4.5: 35.5 (#172)
- Inkling: 55.2 (#44)

| Benchmark | GLM-4.5 | Inkling |
|---|---|---|
| LMArena Expert | 1433 | 1468 |
| GPQA Diamond | — | 88.3% |
| Humanity's Last Exam | 8.3% | — |
| SimpleQA Verified | — | 40.3% |
| Confabulations | 11.3% | — |

## Multilingual

- GLM-4.5: 53.0 (#74)
- Inkling: 54.2 (#49)

| Benchmark | GLM-4.5 | Inkling |
|---|---|---|
| LMArena Non-English | 1417 | 1434 |
| LMArena Chinese | 1465 | 1495 |
| LMArena French | 1423 | 1453 |
| LMArena German | 1406 | 1456 |
| LMArena Japanese | 1416 | 1428 |
| LMArena Korean | 1382 | 1401 |
| LMArena Russian | 1414 | 1430 |
| LMArena Spanish | 1454 | 1442 |

## Instruction Following

- GLM-4.5: 74.3 (#100)
- Inkling: 75.3 (#65)

| Benchmark | GLM-4.5 | Inkling |
|---|---|---|
| LMArena Instruction Following | 1405 | 1427 |

## Long Context

- GLM-4.5: 38.2 (#196)
- Inkling: 43.9 (#79)

| Benchmark | GLM-4.5 | Inkling |
|---|---|---|
| LMArena Longer Query | 1413 | 1436 |
| Fiction.LiveBench | 58.3% | — |

## Writing & Preference

- GLM-4.5: 57.7 (#121)
- Inkling: 65.5 (#48)

| Benchmark | GLM-4.5 | Inkling |
|---|---|---|
| LMArena Text | 1430 | 1443 |
| LMArena Creative Writing | 1395 | 1390 |
| EQ-Bench Creative Writing | 1343 | 1611 |
| LMArena Multi-Turn | 1415 | 1436 |
| Short-Story Creative Writing | 73.4% | — |
| EQ-Bench 4 | — | 1226 |

## FAQ

### Is GLM-4.5 better than Inkling?

Inkling is the stronger model overall, scoring 44.1 to 41.4 on the Noometry Index. GLM-4.5 costs 2.6× less per token, which makes it the better buy when Inkling's lead doesn't matter for your workload.

### Which is cheaper, GLM-4.5 or Inkling?

GLM-4.5 is cheaper. It lists at $0.60 per million input tokens and $2.20 per million output tokens; Inkling lists at $1.87 and $4.68.

### Is GLM-4.5 or Inkling better for coding?

GLM-4.5 scores higher on coding benchmarks: 41.1 versus 34.1 in the Noometry coding category.

### Which has the bigger context window?

GLM-4.5 does, with 131K tokens against 66K.

### How many benchmarks do GLM-4.5 and Inkling share?

20 benchmarks have published results for both models. GLM-4.5 has 27 scored results on Noometry and Inkling has 41.