Model comparison
Claude 3 Sonnet vs Granite 4.2 3b
Granite 4.2 3b is the stronger model overall, scoring 39.4 to 29.0 on the Noometry Index.
Last verified . 11 shared benchmarks.
Summary
- They share 11 benchmarks with published results for both. Claude 3 Sonnet scores higher in 0 categories and Granite 4.2 3b in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Granite 4.2 3b leads 36.3 to 21.1.
- Granite 4.2 3b has downloadable open weights; the other is API-only.
Side by side
| Claude 3 Sonnet | Granite 4.2 3b | |
|---|---|---|
| Provider | Anthropic | IBM |
| Noometry Index | 29.0 | 39.4 |
| Released | 2024-02-29 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 30 | 11 |
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Category by category
Coding Granite 4.2 3b leads
Claude 3 Sonnet: 29.6 (#302), Granite 4.2 3b: 40.0 (#151)
| Benchmark | Claude 3 Sonnet | Granite 4.2 3b |
|---|---|---|
| LMArena Coding | 1223 | 1361 |
| WeirdML | 10.2% | — |
| BigCodeBench Instruct | 42.7% | — |
| BigCodeBench Complete | 53.8% | — |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |
Reasoning Granite 4.2 3b leads
Claude 3 Sonnet: 20.5 (#237), Granite 4.2 3b: 26.0 (#138)
| Benchmark | Claude 3 Sonnet | Granite 4.2 3b |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1306 |
| DTBench | 53.6% | — |
| Epoch Capabilities Index | 120.7 | — |
| WinoGrande | 75.1% | — |
Math Not comparable
Claude 3 Sonnet: 10.7 (#310), Granite 4.2 3b: —
| Benchmark | Claude 3 Sonnet | Granite 4.2 3b |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| LMArena Math | 1213 | — |
| MATH Level 5 | 18.2% | — |
Knowledge Granite 4.2 3b leads
Claude 3 Sonnet: 21.1 (#276), Granite 4.2 3b: 36.3 (#171)
| Benchmark | Claude 3 Sonnet | Granite 4.2 3b |
|---|---|---|
| LMArena Expert | 1173 | 1315 |
| GPQA Diamond | 40.6% | — |
| MMLU | 75.9% | — |
Multimodal Not comparable
Claude 3 Sonnet: 25.2 (#125), Granite 4.2 3b: —
| Benchmark | Claude 3 Sonnet | Granite 4.2 3b |
|---|---|---|
| LMArena Vision | 984 | — |
Multilingual Granite 4.2 3b leads
Claude 3 Sonnet: 37.8 (#234), Granite 4.2 3b: 42.1 (#198)
| Benchmark | Claude 3 Sonnet | Granite 4.2 3b |
|---|---|---|
| LMArena Non-English | 1205 | 1268 |
| LMArena Chinese | 1189 | 1269 |
| LMArena Russian | 1227 | 1249 |
| LMArena French | 1229 | — |
| LMArena German | 1204 | — |
| LMArena Japanese | 1131 | — |
| LMArena Korean | 1128 | — |
| LMArena Spanish | 1204 | — |
Instruction Following Granite 4.2 3b leads
Claude 3 Sonnet: 62.8 (#235), Granite 4.2 3b: 67.1 (#200)
| Benchmark | Claude 3 Sonnet | Granite 4.2 3b |
|---|---|---|
| LMArena Instruction Following | 1199 | 1273 |
Long Context Granite 4.2 3b leads
Claude 3 Sonnet: 36.7 (#228), Granite 4.2 3b: 39.2 (#185)
| Benchmark | Claude 3 Sonnet | Granite 4.2 3b |
|---|---|---|
| LMArena Longer Query | 1211 | 1291 |
Writing & Preference Granite 4.2 3b leads
Claude 3 Sonnet: 42.1 (#238), Granite 4.2 3b: 47.2 (#212)
| Benchmark | Claude 3 Sonnet | Granite 4.2 3b |
|---|---|---|
| LMArena Text | 1218 | 1293 |
| LMArena Creative Writing | 1186 | 1205 |
| LMArena Multi-Turn | 1227 | 1290 |
Frequently asked questions
Is Claude 3 Sonnet better than Granite 4.2 3b?
Granite 4.2 3b is the stronger model overall, scoring 39.4 to 29.0 on the Noometry Index.
Is Claude 3 Sonnet or Granite 4.2 3b better for coding?
Granite 4.2 3b scores higher on coding benchmarks: 40.0 versus 29.6 in the Noometry coding category.
How many benchmarks do Claude 3 Sonnet and Granite 4.2 3b share?
11 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Granite 4.2 3b has 11.