Model comparison
Claude Sonnet 4.5 vs Wizardlm 70b
Claude Sonnet 4.5 is the stronger model overall, scoring 44.1 to 33.0 on the Noometry Index.
Last verified . 12 shared benchmarks.
MicrosoftSummary
- They share 12 benchmarks with published results for both. Claude Sonnet 4.5 scores higher in 7 categories and Wizardlm 70b in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude Sonnet 4.5 leads 66.5 to 34.8.
- Wizardlm 70b has downloadable open weights; the other is API-only.
Side by side
| Claude Sonnet 4.5 | Wizardlm 70b | |
|---|---|---|
| Provider | Anthropic | Microsoft |
| Noometry Index | 44.1 | 33.0 |
| Released | 2025-09-29 | — |
| Weights | Proprietary | Open |
| Context window | 200K | — |
| Max output | 64K | — |
| Input $ / M tokens | $3 | — |
| Output $ / M tokens | $15 | — |
| Results tracked | 73 | 12 |
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Category by category
Coding Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 47.3 (#61), Wizardlm 70b: 31.4 (#285)
| Benchmark | Claude Sonnet 4.5 | Wizardlm 70b |
|---|---|---|
| LMArena Coding | 1489 | 1081 |
| SWE-bench Verified | 71.3% | — |
| SWE-bench Verified (bash only) | 71.4% | — |
| LMArena WebDev | 1393 | — |
| SWE-bench Multilingual | 67% | — |
| SciCode | 44.7% | — |
| GSO | 14.7% | — |
| WeirdML | 47.7% | — |
| ALE-Bench | 796.15 | — |
| AlgoTune | 1.52 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 4.5: 38.3 (#32), Wizardlm 70b: —
| Benchmark | Claude Sonnet 4.5 | Wizardlm 70b |
|---|---|---|
| Terminal-Bench | 46.5% | — |
| Berkeley Function Calling Leaderboard | 73.2% | — |
| GDPval | 42.5% | — |
| Remote Labor Index | 2.1% | — |
| τ²-bench Airline | 72% | — |
| τ²-bench Banking | 25.3% | — |
| τ²-bench Retail | 72.4% | — |
| τ²-bench Telecom | 84.9% | — |
| Cybench | 60% | — |
| DeepResearch Bench | 52.6% | — |
| OSWorld | 62.9% | — |
| LMArena Search | 1159 | — |
| METR Time Horizons | 67.4% | — |
| Vending-Bench 2 | 3,839 | — |
Reasoning Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 26.9 (#125), Wizardlm 70b: 20.7 (#234)
| Benchmark | Claude Sonnet 4.5 | Wizardlm 70b |
|---|---|---|
| LMArena Hard Prompts | 1462 | 1079 |
| ARC-AGI-2 | 13.6% | — |
| SimpleBench | 54.3% | — |
| Kagi LLM Benchmark | 57.9% | — |
| NYT Connections (extended) | 37.3% | — |
| ARC-AGI-1 | 63.7% | — |
| CritPt | 1.1% | — |
| Chess Puzzles | 12% | — |
| EnigmaEval | 6% | — |
| EBR-Bench | 2.4% | — |
| Mystery Game Puzzles | 17% | — |
| DTBench | 83.2% | — |
| LMCA | 38.8% | — |
| Epoch Capabilities Index | 146.84 | — |
| ForecastBench | 61.9 | — |
Math Too close to call
Claude Sonnet 4.5: 32.3 (#216), Wizardlm 70b: 32.2 (#218)
| Benchmark | Claude Sonnet 4.5 | Wizardlm 70b |
|---|---|---|
| LMArena Math | 1449 | 1116 |
| FrontierMath (Tiers 1-3) | 23.9% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 77.8% | — |
| ProofBench | 19% | — |
| Omni-MATH | 55.3% | — |
| MATH Level 5 | 97.7% | — |
| FrontierMath (Feb 2025 set) | 15.2% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Not comparable
Claude Sonnet 4.5: 48.4 (#76), Wizardlm 70b: —
| Benchmark | Claude Sonnet 4.5 | Wizardlm 70b |
|---|---|---|
| GPQA Diamond | 82.3% | — |
| Humanity's Last Exam | 13.7% | — |
| SimpleQA Verified | 30.7% | — |
| MMLU-Pro | 86.9% | — |
| Vectara Hallucination Rate | 12% | — |
| GPQA (HELM) | 68.6% | — |
| LMArena Expert | 1482 | — |
Multimodal Not comparable
Claude Sonnet 4.5: 34.8 (#89), Wizardlm 70b: —
| Benchmark | Claude Sonnet 4.5 | Wizardlm 70b |
|---|---|---|
| VPCT | 39.8% | — |
| LMArena Document | 1450 | — |
Multilingual Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 53.4 (#69), Wizardlm 70b: 29.6 (#265)
| Benchmark | Claude Sonnet 4.5 | Wizardlm 70b |
|---|---|---|
| LMArena Non-English | 1425 | 1078 |
| LMArena Chinese | 1459 | 1052 |
| LMArena German | 1427 | 1083 |
| LMArena Russian | 1437 | 1155 |
| LMArena French | 1458 | — |
| LMArena Japanese | 1390 | — |
| LMArena Korean | 1403 | — |
| LMArena Spanish | 1457 | — |
Instruction Following Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 75.0 (#78), Wizardlm 70b: 56.3 (#273)
| Benchmark | Claude Sonnet 4.5 | Wizardlm 70b |
|---|---|---|
| LMArena Instruction Following | 1459 | 1093 |
| IFEval | 85% | — |
Long Context Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 45.2 (#46), Wizardlm 70b: 33.3 (#263)
| Benchmark | Claude Sonnet 4.5 | Wizardlm 70b |
|---|---|---|
| LMArena Longer Query | 1476 | 1097 |
Writing & Preference Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 66.5 (#34), Wizardlm 70b: 34.8 (#269)
| Benchmark | Claude Sonnet 4.5 | Wizardlm 70b |
|---|---|---|
| LMArena Text | 1439 | 1120 |
| LMArena Creative Writing | 1442 | 1149 |
| LMArena Multi-Turn | 1465 | 1108 |
| EQ-Bench Creative Writing | 1678 | — |
| WildBench | 85.4% | — |
Frequently asked questions
Is Claude Sonnet 4.5 better than Wizardlm 70b?
Claude Sonnet 4.5 is the stronger model overall, scoring 44.1 to 33.0 on the Noometry Index.
Is Claude Sonnet 4.5 or Wizardlm 70b better for coding?
Claude Sonnet 4.5 scores higher on coding benchmarks: 47.3 versus 31.4 in the Noometry coding category.
How many benchmarks do Claude Sonnet 4.5 and Wizardlm 70b share?
12 benchmarks have published results for both models. Claude Sonnet 4.5 has 73 scored results on Noometry and Wizardlm 70b has 12.