Model comparison
Claude Opus 4.1 vs OLMo 2 Furious 13B
Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 29.7 on the Noometry Index.
Last verified . 0 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- The widest gap is in knowledge, where Claude Opus 4.1 leads 42.0 to 18.3.
- OLMo 2 Furious 13B has downloadable open weights; the other is API-only.
Side by side
| Claude Opus 4.1 | OLMo 2 Furious 13B | |
|---|---|---|
| Provider | Anthropic | Allen Institute for AI (Ai2) |
| Noometry Index | 41.0 | 29.7 |
| Released | 2025-08-05 | 2024-12-31 |
| Weights | Proprietary | Open |
| Context window | 200K | — |
| Max output | 32K | — |
| Input $ / M tokens | $15 | — |
| Output $ / M tokens | $75 | — |
| Results tracked | 48 | 12 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Claude Opus 4.1 leads
Claude Opus 4.1: 44.4 (#73), OLMo 2 Furious 13B: 28.6 (#313)
| Benchmark | Claude Opus 4.1 | OLMo 2 Furious 13B |
|---|---|---|
| SWE-bench Verified | 73.3% | — |
| LMArena WebDev | 1390 | — |
| WeirdML | 45.9% | — |
| LiveBench Coding | — | 10.4% |
| LMArena Coding | 1479 | — |
| ALE-Bench | 674.77 | — |
| AlgoTune | 1.34 | — |
Agentic & Tool Use Not comparable
Claude Opus 4.1: 35.0 (#41), OLMo 2 Furious 13B: —
| Benchmark | Claude Opus 4.1 | OLMo 2 Furious 13B |
|---|---|---|
| Terminal-Bench | 38% | — |
| GDPval | 43.6% | — |
| Cybench | 42% | — |
| DeepResearch Bench | 48.3% | — |
| LMArena Search | 1148 | — |
| METR Time Horizons | 66.8% | — |
Reasoning Claude Opus 4.1 leads
Claude Opus 4.1: 32.2 (#76), OLMo 2 Furious 13B: 15.5 (#314)
| Benchmark | Claude Opus 4.1 | OLMo 2 Furious 13B |
|---|---|---|
| SimpleBench | 60% | — |
| Chess Puzzles | 7% | — |
| EnigmaEval | 7.2% | — |
| EBR-Bench | 7.9% | — |
| LiveBench Reasoning | — | 16.3% |
| LMArena Hard Prompts | 1443 | — |
| Mystery Game Puzzles | 21% | — |
| DTBench | 80% | — |
| LiveBench Data Analysis | — | 20.6% |
| LMCA | 37.1% | — |
| Epoch Capabilities Index | 144.12 | — |
| ForecastBench | 62 | — |
| LiveBench | — | 22.1% |
Math Too close to call
Claude Opus 4.1: 22.3 (#277), OLMo 2 Furious 13B: 23.1 (#273)
| Benchmark | Claude Opus 4.1 | OLMo 2 Furious 13B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 12.6% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 68.9% | — |
| Omni-MATH | — | 15.6% |
| LiveBench Math | — | 13.6% |
| LMArena Math | 1431 | — |
| FrontierMath (Feb 2025 set) | 7.2% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Claude Opus 4.1 leads
Claude Opus 4.1: 42.0 (#101), OLMo 2 Furious 13B: 18.3 (#283)
| Benchmark | Claude Opus 4.1 | OLMo 2 Furious 13B |
|---|---|---|
| GPQA Diamond | 77.3% | — |
| Humanity's Last Exam | 11.5% | — |
| MMLU-Pro | — | 31% |
| Confabulations | 17.1% | — |
| Vectara Hallucination Rate | 11.8% | — |
| GPQA (HELM) | — | 31.6% |
| LMArena Expert | 1439 | — |
Multimodal Not comparable
Claude Opus 4.1: 26.8 (#119), OLMo 2 Furious 13B: —
| Benchmark | Claude Opus 4.1 | OLMo 2 Furious 13B |
|---|---|---|
| VPCT | 35% | — |
Multilingual Not comparable
Claude Opus 4.1: 52.0 (#95), OLMo 2 Furious 13B: —
| Benchmark | Claude Opus 4.1 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Non-English | 1405 | — |
| LMArena Chinese | 1427 | — |
| LMArena French | 1431 | — |
| LMArena German | 1413 | — |
| LMArena Japanese | 1378 | — |
| LMArena Korean | 1380 | — |
| LMArena Russian | 1422 | — |
| LMArena Spanish | 1448 | — |
Instruction Following Claude Opus 4.1 leads
Claude Opus 4.1: 75.6 (#58), OLMo 2 Furious 13B: 60.9 (#248)
| Benchmark | Claude Opus 4.1 | OLMo 2 Furious 13B |
|---|---|---|
| LiveBench Instruction Following | — | 60.6% |
| IFEval | — | 73% |
| LMArena Instruction Following | 1435 | — |
Long Context Not comparable
Claude Opus 4.1: 44.5 (#63), OLMo 2 Furious 13B: —
| Benchmark | Claude Opus 4.1 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Longer Query | 1455 | — |
Writing & Preference Claude Opus 4.1 leads
Claude Opus 4.1: 62.4 (#74), OLMo 2 Furious 13B: 42.9 (#230)
| Benchmark | Claude Opus 4.1 | OLMo 2 Furious 13B |
|---|---|---|
| LMArena Text | 1419 | — |
| LMArena Creative Writing | 1412 | — |
| Short-Story Creative Writing | 84.7% | — |
| WildBench | — | 68.9% |
| LMArena Multi-Turn | 1444 | — |
| LiveBench Language | — | 11.2% |
Frequently asked questions
Is Claude Opus 4.1 better than OLMo 2 Furious 13B?
Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 29.7 on the Noometry Index.
Is Claude Opus 4.1 or OLMo 2 Furious 13B better for coding?
Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 28.6 in the Noometry coding category.
How many benchmarks do Claude Opus 4.1 and OLMo 2 Furious 13B share?
0 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and OLMo 2 Furious 13B has 12.