Which is better, Claude Sonnet 4 or Granite 4.2 30B?

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Which is better, Claude Sonnet 4 or Granite 4.2 30B?: Across 10 shared benchmarks, Claude Sonnet 4 scores higher on 7 and Granite 4.2 30B on 3. The widest gap is τ³-Bench, where Granite 4.2 30B scores 68 against 13.8.

Claude Sonnet 4 vs Granite 4.2 30B

Across 10 shared benchmarks, Claude Sonnet 4 scores higher on 7 and Granite 4.2 30B on 3. The widest gap is τ³-Bench, where Granite 4.2 30B scores 68 against 13.8.

AnthropicvsIBM10 shared benchmarks7–3 head-to-head

Benchmark	Claude Sonnet 4	Granite 4.2 30B
gdpval	31.2	1225
GPQA Diamond	78	66.4
LiveCodeBench v6	48.5	75.8
MMLU-Pro	84	77.6
scicode	40	38.8
SWE-bench Multilingual	56.9	41.9
SWE-bench Pro	42.7	33.3
SWE-bench Verified	80.2	57
Terminal-Bench 2.1	36.3	29.2
τ³-Bench	13.8	68

Best tracked score per model per benchmark (default configuration; source-attributed). ↓ marks lower-is-better metrics. Open either model for its full surface, provenance and pricing.