Model comparison
Claude Sonnet 4 vs OLMo 2 Furious 13B
Claude Sonnet 4 is the stronger model overall, scoring 40.8 to 29.7 on the Noometry Index.
Last verified . 5 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 5 benchmarks with published results for both. Claude Sonnet 4 scores higher in 6 categories and OLMo 2 Furious 13B in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Claude Sonnet 4 leads 41.8 to 18.3.
- The biggest single-benchmark swing is MMLU-Pro: 84.3% for Claude Sonnet 4 and 31% for OLMo 2 Furious 13B.
- OLMo 2 Furious 13B has downloadable open weights; the other is API-only.
Side by side
| Claude Sonnet 4 | OLMo 2 Furious 13B | |
|---|---|---|
| Provider | Anthropic | Allen Institute for AI (Ai2) |
| Noometry Index | 40.8 | 29.7 |
| Released | 2025-05-22 | 2024-12-31 |
| Weights | Proprietary | Open |
| Context window | 200K | — |
| Max output | 64K | — |
| Input $ / M tokens | $3 | — |
| Output $ / M tokens | $15 | — |
| Results tracked | 58 | 12 |
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Category by category
Coding Claude Sonnet 4 leads
Claude Sonnet 4: 43.5 (#88), OLMo 2 Furious 13B: 28.6 (#313)
| Benchmark | Claude Sonnet 4 | OLMo 2 Furious 13B |
|---|---|---|
| SWE-bench Verified (bash only) | 64.9% | — |
| Aider Polyglot | 61.3% | — |
| SciCode | 40% | — |
| GSO | 4.9% | — |
| WeirdML | 46.1% | — |
| LiveBench Coding | — | 10.4% |
| LMArena Coding | 1414 | — |
| ALE-Bench | 655.35 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 4: 38.5 (#31), OLMo 2 Furious 13B: —
| Benchmark | Claude Sonnet 4 | OLMo 2 Furious 13B |
|---|---|---|
| TheAgentCompany | 33.1% | — |
| Cybench | 35% | — |
| DeepResearch Bench | 46.6% | — |
| OSWorld | 43.9% | — |
| METR Time Horizons | 62% | — |
Reasoning Claude Sonnet 4 leads
Claude Sonnet 4: 22.9 (#187), OLMo 2 Furious 13B: 15.5 (#314)
| Benchmark | Claude Sonnet 4 | OLMo 2 Furious 13B |
|---|---|---|
| ARC-AGI-2 | 5.9% | — |
| SimpleBench | 45.5% | — |
| Kagi LLM Benchmark | 73% | — |
| ARC-AGI-1 | 40% | — |
| CritPt | 0.3% | — |
| EnigmaEval | 3.1% | — |
| LiveBench Reasoning | — | 16.3% |
| LMArena Hard Prompts | 1372 | — |
| DTBench | 77.1% | — |
| LiveBench Data Analysis | — | 20.6% |
| LMCA | 29% | — |
| Epoch Capabilities Index | 141.69 | — |
| ForecastBench | 60.2 | — |
| LiveBench | — | 22.1% |
Math Claude Sonnet 4 leads
Claude Sonnet 4: 43.3 (#80), OLMo 2 Furious 13B: 23.1 (#273)
| Benchmark | Claude Sonnet 4 | OLMo 2 Furious 13B |
|---|---|---|
| Omni-MATH | 60.2% | 15.6% |
| OTIS Mock AIME 2024-2025 | 71.1% | — |
| LiveBench Math | — | 13.6% |
| LMArena Math | 1375 | — |
| MATH Level 5 | 84.4% | — |
| FrontierMath (Feb 2025 set) | 4.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Claude Sonnet 4 leads
Claude Sonnet 4: 41.8 (#108), OLMo 2 Furious 13B: 18.3 (#283)
| Benchmark | Claude Sonnet 4 | OLMo 2 Furious 13B |
|---|---|---|
| MMLU-Pro | 84.3% | 31% |
| GPQA (HELM) | 70.6% | 31.6% |
| GPQA Diamond | 79.2% | — |
| Humanity's Last Exam | 7.8% | — |
| Confabulations | 13.2% | — |
| Vectara Hallucination Rate | 10.3% | — |
| LMArena Expert | 1372 | — |
Multimodal Not comparable
Claude Sonnet 4: 26.2 (#121), OLMo 2 Furious 13B: —
| Benchmark | Claude Sonnet 4 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Vision | 1191 | — |
| GeoBench | 37% | — |
| VPCT | 34% | — |
| MindCube | 44.8% | — |
Multilingual Not comparable
Claude Sonnet 4: 46.7 (#156), OLMo 2 Furious 13B: —
| Benchmark | Claude Sonnet 4 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Non-English | 1333 | — |
| LMArena Chinese | 1350 | — |
| LMArena French | 1363 | — |
| LMArena German | 1331 | — |
| LMArena Japanese | 1302 | — |
| LMArena Korean | 1291 | — |
| LMArena Russian | 1355 | — |
| LMArena Spanish | 1357 | — |
Instruction Following Claude Sonnet 4 leads
Claude Sonnet 4: 71.7 (#145), OLMo 2 Furious 13B: 60.9 (#248)
| Benchmark | Claude Sonnet 4 | OLMo 2 Furious 13B |
|---|---|---|
| IFEval | 84% | 73% |
| LiveBench Instruction Following | — | 60.6% |
| LMArena Instruction Following | 1376 | — |
Long Context Not comparable
Claude Sonnet 4: 33.7 (#259), OLMo 2 Furious 13B: —
| Benchmark | Claude Sonnet 4 | OLMo 2 Furious 13B |
|---|---|---|
| Fiction.LiveBench | 46.9% | — |
| LMArena Longer Query | 1398 | — |
Writing & Preference Claude Sonnet 4 leads
Claude Sonnet 4: 57.1 (#132), OLMo 2 Furious 13B: 42.9 (#230)
| Benchmark | Claude Sonnet 4 | OLMo 2 Furious 13B |
|---|---|---|
| WildBench | 83.8% | 68.9% |
| LMArena Text | 1351 | — |
| LMArena Creative Writing | 1345 | — |
| Short-Story Creative Writing | 81.4% | — |
| EQ-Bench Creative Writing | 1483 | — |
| LMArena Multi-Turn | 1376 | — |
| LiveBench Language | — | 11.2% |
Frequently asked questions
Is Claude Sonnet 4 better than OLMo 2 Furious 13B?
Claude Sonnet 4 is the stronger model overall, scoring 40.8 to 29.7 on the Noometry Index.
Is Claude Sonnet 4 or OLMo 2 Furious 13B better for coding?
Claude Sonnet 4 scores higher on coding benchmarks: 43.5 versus 28.6 in the Noometry coding category.
How many benchmarks do Claude Sonnet 4 and OLMo 2 Furious 13B share?
5 benchmarks have published results for both models. Claude Sonnet 4 has 58 scored results on Noometry and OLMo 2 Furious 13B has 12.