Model comparison
Grok 4.5 vs Wizardlm 13b
Grok 4.5 is the stronger model overall, scoring 55.0 to 31.4 on the Noometry Index.
Last verified . 10 shared benchmarks.
MicrosoftSummary
- They share 10 benchmarks with published results for both. Grok 4.5 scores higher in 7 categories and Wizardlm 13b in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.5 leads 56.1 to 19.4.
- Wizardlm 13b has downloadable open weights; the other is API-only.
Side by side
| Grok 4.5 | Wizardlm 13b | |
|---|---|---|
| Provider | xAI | Microsoft |
| Noometry Index | 55.0 | 31.4 |
| Released | 2026-07-08 | — |
| Weights | Proprietary | Open |
| Context window | 500K | — |
| Max output | 500K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $6 | — |
| Results tracked | 52 | 10 |
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Category by category
Coding Grok 4.5 leads
Grok 4.5: 52.2 (#35), Wizardlm 13b: 30.1 (#298)
| Benchmark | Grok 4.5 | Wizardlm 13b |
|---|---|---|
| LMArena Coding | 1474 | 1035 |
| DeepSWE | 53.8% | — |
| FrontierCode | 42.4% | — |
| LMArena WebDev | 1553 | — |
| SciCode | 54.1% | — |
| WeirdML | 46.4% | — |
| ALE-Bench | 1,309 | — |
Agentic & Tool Use Not comparable
Grok 4.5: 44.4 (#17), Wizardlm 13b: —
| Benchmark | Grok 4.5 | Wizardlm 13b |
|---|---|---|
| APEX-Agents | 56.2% | — |
| τ²-bench Banking | 47.9% | — |
| PostTrainBench | 23.4% | — |
| GBAEval | 65.4% | — |
| GDP.pdf | 14% | — |
| LMArena Search | 1213 | — |
| Vending-Bench 2 | 3,887 | — |
Reasoning Grok 4.5 leads
Grok 4.5: 56.1 (#25), Wizardlm 13b: 19.4 (#259)
| Benchmark | Grok 4.5 | Wizardlm 13b |
|---|---|---|
| LMArena Hard Prompts | 1462 | 1018 |
| ARC-AGI-2 | 52.6% | — |
| SimpleBench | 70% | — |
| Kagi LLM Benchmark | 83.5% | — |
| NYT Connections (extended) | 79.9% | — |
| ARC-AGI-1 | 87.2% | — |
| CritPt | 15.4% | — |
| Chess Puzzles | 36% | — |
| DTBench | 96.5% | — |
| LMCA | 45.2% | — |
| Surface Evolver Bench | 74.4% | — |
| Epoch Capabilities Index | 153.92 | — |
Math Grok 4.5 leads
Grok 4.5: 60.9 (#35), Wizardlm 13b: 30.2 (#238)
| Benchmark | Grok 4.5 | Wizardlm 13b |
|---|---|---|
| LMArena Math | 1459 | 1017 |
| FrontierMath (Tiers 1-3) | 57.2% | — |
| FrontierMath Tier 4 | 24.4% | — |
| OTIS Mock AIME 2024-2025 | 97.8% | — |
| ProofBench | 31% | — |
Knowledge Not comparable
Grok 4.5: 62.3 (#24), Wizardlm 13b: —
| Benchmark | Grok 4.5 | Wizardlm 13b |
|---|---|---|
| GPQA Diamond | 93.4% | — |
| SimpleQA Verified | 48.3% | — |
| LMArena Expert | 1466 | — |
Multimodal Not comparable
Grok 4.5: 37.6 (#72), Wizardlm 13b: —
| Benchmark | Grok 4.5 | Wizardlm 13b |
|---|---|---|
| LMArena Vision | 1288 | — |
| Blueprint-Bench 2 | 27.3% | — |
| Furniture Assembly | 22.5% | — |
| LMArena Document | 1452 | — |
Multilingual Grok 4.5 leads
Grok 4.5: 54.4 (#42), Wizardlm 13b: 27.1 (#277)
| Benchmark | Grok 4.5 | Wizardlm 13b |
|---|---|---|
| LMArena Non-English | 1440 | 1034 |
| LMArena Chinese | 1496 | 1023 |
| LMArena French | 1456 | — |
| LMArena German | 1446 | — |
| LMArena Japanese | 1428 | — |
| LMArena Korean | 1404 | — |
| LMArena Russian | 1448 | — |
| LMArena Spanish | 1450 | — |
Instruction Following Grok 4.5 leads
Grok 4.5: 76.0 (#48), Wizardlm 13b: 53.5 (#285)
| Benchmark | Grok 4.5 | Wizardlm 13b |
|---|---|---|
| LMArena Instruction Following | 1446 | 1048 |
Long Context Grok 4.5 leads
Grok 4.5: 44.8 (#56), Wizardlm 13b: 32.0 (#273)
| Benchmark | Grok 4.5 | Wizardlm 13b |
|---|---|---|
| LMArena Longer Query | 1463 | 1054 |
Writing & Preference Grok 4.5 leads
Grok 4.5: 65.8 (#42), Wizardlm 13b: 30.5 (#287)
| Benchmark | Grok 4.5 | Wizardlm 13b |
|---|---|---|
| LMArena Text | 1448 | 1077 |
| LMArena Creative Writing | 1442 | 1091 |
| LMArena Multi-Turn | 1456 | 1047 |
| EQ-Bench Creative Writing | 1579 | — |
Frequently asked questions
Is Grok 4.5 better than Wizardlm 13b?
Grok 4.5 is the stronger model overall, scoring 55.0 to 31.4 on the Noometry Index.
Is Grok 4.5 or Wizardlm 13b better for coding?
Grok 4.5 scores higher on coding benchmarks: 52.2 versus 30.1 in the Noometry coding category.
How many benchmarks do Grok 4.5 and Wizardlm 13b share?
10 benchmarks have published results for both models. Grok 4.5 has 52 scored results on Noometry and Wizardlm 13b has 10.