Model comparison
Claude 3.5 Sonnet vs Granite 4.2 30b
Granite 4.2 30b is the stronger model overall, scoring 41.4 to 34.4 on the Noometry Index.
Last verified . 11 shared benchmarks.
Summary
- They share 11 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 0 categories and Granite 4.2 30b in 7 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Granite 4.2 30b leads 38.5 to 28.5.
- Granite 4.2 30b has downloadable open weights; the other is API-only.
Side by side
| Claude 3.5 Sonnet | Granite 4.2 30b | |
|---|---|---|
| Provider | Anthropic | IBM |
| Noometry Index | 34.4 | 41.4 |
| Released | 2024-06-20 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 60 | 11 |
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Category by category
Coding Too close to call
Claude 3.5 Sonnet: 39.5 (#145), Granite 4.2 30b: 40.4 (#127)
| Benchmark | Claude 3.5 Sonnet | Granite 4.2 30b |
|---|---|---|
| LMArena Coding | 1343 | 1394 |
| Aider Polyglot | 51.6% | — |
| GSO | 4.6% | — |
| WeirdML | 40% | — |
| BigCodeBench Instruct | 46.8% | — |
| LiveBench Coding | 67.1% | — |
| BigCodeBench Complete | 58.6% | — |
| CadEval | 48% | — |
| HumanEval+ | 81.7% | — |
| MBPP+ | 74.3% | — |
Agentic & Tool Use Not comparable
Claude 3.5 Sonnet: 32.1 (#61), Granite 4.2 30b: —
| Benchmark | Claude 3.5 Sonnet | Granite 4.2 30b |
|---|---|---|
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |
Reasoning Granite 4.2 30b leads
Claude 3.5 Sonnet: 22.5 (#176), Granite 4.2 30b: 26.7 (#114)
| Benchmark | Claude 3.5 Sonnet | Granite 4.2 30b |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1375 |
| SimpleBench | 41.4% | — |
| EnigmaEval | 0.9% | — |
| LiveBench Reasoning | 56.7% | — |
| DTBench | 67.8% | — |
| LiveBench Data Analysis | 55% | — |
| Epoch Capabilities Index | 133.55 | — |
| ForecastBench | 60.7 | — |
| LiveBench | 59% | — |
Math Not comparable
Claude 3.5 Sonnet: 18.0 (#282), Granite 4.2 30b: —
| Benchmark | Claude 3.5 Sonnet | Granite 4.2 30b |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 8.5% | — |
| Omni-MATH | 27.6% | — |
| LiveBench Math | 52.3% | — |
| LMArena Math | 1306 | — |
| MATH Level 5 | 56.9% | — |
| FrontierMath (Feb 2025 set) | 2.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Granite 4.2 30b leads
Claude 3.5 Sonnet: 28.5 (#236), Granite 4.2 30b: 38.5 (#134)
| Benchmark | Claude 3.5 Sonnet | Granite 4.2 30b |
|---|---|---|
| LMArena Expert | 1264 | 1405 |
| GPQA Diamond | 55.3% | — |
| Humanity's Last Exam | 4.1% | — |
| MMLU-Pro | 77.7% | — |
| Confabulations | 19.9% | — |
| GPQA (HELM) | 56.5% | — |
| MMLU | 87.3% | — |
Multimodal Not comparable
Claude 3.5 Sonnet: 26.0 (#115), Granite 4.2 30b: —
| Benchmark | Claude 3.5 Sonnet | Granite 4.2 30b |
|---|---|---|
| LMArena Vision | 1125 | — |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |
Multilingual Granite 4.2 30b leads
Claude 3.5 Sonnet: 43.4 (#180), Granite 4.2 30b: 47.4 (#146)
| Benchmark | Claude 3.5 Sonnet | Granite 4.2 30b |
|---|---|---|
| LMArena Non-English | 1283 | 1340 |
| LMArena Chinese | 1271 | 1415 |
| LMArena Russian | 1305 | 1342 |
| LMArena French | 1304 | — |
| LMArena German | 1297 | — |
| LMArena Japanese | 1234 | — |
| LMArena Korean | 1200 | — |
| LMArena Spanish | 1289 | — |
Instruction Following Granite 4.2 30b leads
Claude 3.5 Sonnet: 69.0 (#177), Granite 4.2 30b: 71.3 (#150)
| Benchmark | Claude 3.5 Sonnet | Granite 4.2 30b |
|---|---|---|
| LMArena Instruction Following | 1297 | 1346 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |
Long Context Granite 4.2 30b leads
Claude 3.5 Sonnet: 39.9 (#162), Granite 4.2 30b: 41.4 (#135)
| Benchmark | Claude 3.5 Sonnet | Granite 4.2 30b |
|---|---|---|
| LMArena Longer Query | 1311 | 1359 |
Writing & Preference Granite 4.2 30b leads
Claude 3.5 Sonnet: 53.0 (#159), Granite 4.2 30b: 54.3 (#147)
| Benchmark | Claude 3.5 Sonnet | Granite 4.2 30b |
|---|---|---|
| LMArena Text | 1298 | 1363 |
| LMArena Creative Writing | 1292 | 1294 |
| LMArena Multi-Turn | 1326 | 1340 |
| Short-Story Creative Writing | 80.3% | — |
| EQ-Bench Creative Writing | 1451 | — |
| WildBench | 79.2% | — |
| LiveBench Language | 53.8% | — |
Frequently asked questions
Is Claude 3.5 Sonnet better than Granite 4.2 30b?
Granite 4.2 30b is the stronger model overall, scoring 41.4 to 34.4 on the Noometry Index.
Is Claude 3.5 Sonnet or Granite 4.2 30b better for coding?
They score almost the same on coding (39.5 vs 40.4); test both on your own repository before choosing.
How many benchmarks do Claude 3.5 Sonnet and Granite 4.2 30b share?
11 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Granite 4.2 30b has 11.