Model comparison
GLM-5.3 vs Molmo 2 8b
GLM-5.3 is the stronger model overall, scoring 54.8 to 39.1 on the Noometry Index.
Last verified . 4 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 4 benchmarks with published results for both. GLM-5.3 scores higher in 4 categories and Molmo 2 8b in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GLM-5.3 leads 75.7 to 49.4.
Side by side
| GLM-5.3 | Molmo 2 8b | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Allen Institute for AI (Ai2) |
| Noometry Index | 54.8 | 39.1 |
| Released | 2026-08-14 | — |
| Weights | Open | Open |
| Context window | 1M | — |
| Max output | 131K | — |
| Input $ / M tokens | $1.40 | — |
| Output $ / M tokens | $4.40 | — |
| Results tracked | 42 | 5 |
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Category by category
Coding Not comparable
GLM-5.3: 59.5 (#14), Molmo 2 8b: —
| Benchmark | GLM-5.3 | Molmo 2 8b |
|---|---|---|
| DeepSWE | 69% | — |
| FrontierCode | 40.1% | — |
| CursorBench | 42.6% | — |
| LMArena WebDev | 1622 | — |
| FrontierSWE | 30.2% | — |
| SciCode | 59% | — |
| WeirdML | 75.4% | — |
| LMArena Coding | 1496 | — |
| ALE-Bench | 1,317 | — |
Agentic & Tool Use Not comparable
GLM-5.3: 36.4 (#38), Molmo 2 8b: —
| Benchmark | GLM-5.3 | Molmo 2 8b |
|---|---|---|
| APEX-Agents | 56.6% | — |
| Vending-Bench 2 | 8,164 | — |
Reasoning GLM-5.3 leads
GLM-5.3: 46.1 (#46), Molmo 2 8b: 25.6 (#146)
| Benchmark | GLM-5.3 | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1489 | 1287 |
| NYT Connections (extended) | 74.2% | — |
| CritPt | 19.1% | — |
| Chess Puzzles | 21% | — |
| Mystery Game Puzzles | 33% | — |
| DTBench | 87.7% | — |
| LMCA | 55.5% | — |
| Bench to the Future 3 | 0.15 | — |
| Epoch Capabilities Index | 155.61 | — |
Math Not comparable
GLM-5.3: 62.3 (#33), Molmo 2 8b: —
| Benchmark | GLM-5.3 | Molmo 2 8b |
|---|---|---|
| FrontierMath (Tiers 1-3) | 68.8% | — |
| FrontierMath Tier 4 | 29.3% | — |
| OTIS Mock AIME 2024-2025 | 91.1% | — |
| ProofBench | 49% | — |
| LMArena Math | 1489 | — |
Knowledge Not comparable
GLM-5.3: 58.3 (#37), Molmo 2 8b: —
| Benchmark | GLM-5.3 | Molmo 2 8b |
|---|---|---|
| GPQA Diamond | 90.9% | — |
| SimpleQA Verified | 41% | — |
| LMArena Expert | 1516 | — |
Multimodal Not comparable
GLM-5.3: —, Molmo 2 8b: 30.2 (#112)
| Benchmark | GLM-5.3 | Molmo 2 8b |
|---|---|---|
| LMArena Vision | — | 1081 |
Multilingual GLM-5.3 leads
GLM-5.3: 55.7 (#28), Molmo 2 8b: 42.7 (#190)
| Benchmark | GLM-5.3 | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1457 | 1276 |
| LMArena Chinese | 1528 | — |
| LMArena French | 1499 | — |
| LMArena German | 1499 | — |
| LMArena Japanese | 1453 | — |
| LMArena Korean | 1472 | — |
| LMArena Russian | 1463 | — |
| LMArena Spanish | 1460 | — |
Instruction Following GLM-5.3 leads
GLM-5.3: 77.5 (#23), Molmo 2 8b: 67.0 (#201)
| Benchmark | GLM-5.3 | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1477 | 1270 |
Long Context Not comparable
GLM-5.3: 45.4 (#41), Molmo 2 8b: —
| Benchmark | GLM-5.3 | Molmo 2 8b |
|---|---|---|
| LMArena Longer Query | 1482 | — |
Writing & Preference GLM-5.3 leads
GLM-5.3: 75.7 (#6), Molmo 2 8b: 49.4 (#191)
| Benchmark | GLM-5.3 | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1471 | 1288 |
| LMArena Creative Writing | 1457 | — |
| EQ-Bench Creative Writing | 2075 | — |
| LMArena Multi-Turn | 1472 | — |
Frequently asked questions
Is GLM-5.3 better than Molmo 2 8b?
GLM-5.3 is the stronger model overall, scoring 54.8 to 39.1 on the Noometry Index.
How many benchmarks do GLM-5.3 and Molmo 2 8b share?
4 benchmarks have published results for both models. GLM-5.3 has 42 scored results on Noometry and Molmo 2 8b has 5.