Model comparison
Claude Opus 4.1 vs Llama 2-7B
Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 29.1 on the Noometry Index.
Last verified . 17 shared benchmarks.
MetaSummary
- They share 17 benchmarks with published results for both. Claude Opus 4.1 scores higher in 7 categories and Llama 2-7B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude Opus 4.1 leads 62.4 to 28.0.
- The biggest single-benchmark swing is Chess Puzzles: 7% for Claude Opus 4.1 and 0% for Llama 2-7B.
- Llama 2-7B has downloadable open weights; the other is API-only.
Side by side
| Claude Opus 4.1 | Llama 2-7B | |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 41.0 | 29.1 |
| Released | 2025-08-05 | 2023-07-18 |
| Weights | Proprietary | Open |
| Context window | 200K | — |
| Max output | 32K | — |
| Input $ / M tokens | $15 | — |
| Output $ / M tokens | $75 | — |
| Results tracked | 48 | 29 |
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Category by category
Coding Claude Opus 4.1 leads
Claude Opus 4.1: 44.4 (#73), Llama 2-7B: 29.2 (#307)
| Benchmark | Claude Opus 4.1 | Llama 2-7B |
|---|---|---|
| LMArena Coding | 1479 | 1002 |
| SWE-bench Verified | 73.3% | — |
| LMArena WebDev | 1390 | — |
| WeirdML | 45.9% | — |
| ALE-Bench | 674.77 | — |
| AlgoTune | 1.34 | — |
Agentic & Tool Use Not comparable
Claude Opus 4.1: 35.0 (#41), Llama 2-7B: —
| Benchmark | Claude Opus 4.1 | Llama 2-7B |
|---|---|---|
| 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), Llama 2-7B: 15.7 (#312)
| Benchmark | Claude Opus 4.1 | Llama 2-7B |
|---|---|---|
| Chess Puzzles | 7% | 0% |
| LMArena Hard Prompts | 1443 | 1009 |
| Epoch Capabilities Index | 144.12 | 99.06 |
| SimpleBench | 60% | — |
| EnigmaEval | 7.2% | — |
| EBR-Bench | 7.9% | — |
| Mystery Game Puzzles | 21% | — |
| DTBench | 80% | — |
| LMCA | 37.1% | — |
| BIG-Bench Hard | — | 39.2% |
| ForecastBench | 62 | — |
| HellaSwag | — | 77.2% |
| LAMBADA | — | 73.3% |
| PIQA | — | 78.8% |
| WinoGrande | — | 69.2% |
Math Llama 2-7B leads
Claude Opus 4.1: 22.3 (#277), Llama 2-7B: 30.7 (#233)
| Benchmark | Claude Opus 4.1 | Llama 2-7B |
|---|---|---|
| LMArena Math | 1431 | 1042 |
| FrontierMath (Tiers 1-3) | 12.6% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 68.9% | — |
| FrontierMath (Feb 2025 set) | 7.2% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
| GSM8K | — | 16.7% |
Knowledge Claude Opus 4.1 leads
Claude Opus 4.1: 42.0 (#101), Llama 2-7B: 28.2 (#248)
| Benchmark | Claude Opus 4.1 | Llama 2-7B |
|---|---|---|
| LMArena Expert | 1439 | 1036 |
| GPQA Diamond | 77.3% | — |
| Humanity's Last Exam | 11.5% | — |
| Confabulations | 17.1% | — |
| Vectara Hallucination Rate | 11.8% | — |
| ARC (AI2) Challenge | — | 45.9% |
| BoolQ | — | 77.9% |
| MMLU | — | 45.8% |
| OpenBookQA | — | 58.6% |
| TriviaQA | — | 73.7% |
Multimodal Not comparable
Claude Opus 4.1: 26.8 (#119), Llama 2-7B: —
Multilingual Claude Opus 4.1 leads
Claude Opus 4.1: 52.0 (#95), Llama 2-7B: 23.8 (#293)
| Benchmark | Claude Opus 4.1 | Llama 2-7B |
|---|---|---|
| LMArena Non-English | 1405 | 973 |
| LMArena Chinese | 1427 | 973 |
| LMArena French | 1431 | 970 |
| LMArena German | 1413 | 978 |
| LMArena Russian | 1422 | 995 |
| LMArena Spanish | 1448 | 1007 |
| LMArena Japanese | 1378 | — |
| LMArena Korean | 1380 | — |
Instruction Following Claude Opus 4.1 leads
Claude Opus 4.1: 75.6 (#58), Llama 2-7B: 50.8 (#298)
| Benchmark | Claude Opus 4.1 | Llama 2-7B |
|---|---|---|
| LMArena Instruction Following | 1435 | 1006 |
Long Context Claude Opus 4.1 leads
Claude Opus 4.1: 44.5 (#63), Llama 2-7B: 30.4 (#287)
| Benchmark | Claude Opus 4.1 | Llama 2-7B |
|---|---|---|
| LMArena Longer Query | 1455 | 999 |
Writing & Preference Claude Opus 4.1 leads
Claude Opus 4.1: 62.4 (#74), Llama 2-7B: 28.0 (#298)
| Benchmark | Claude Opus 4.1 | Llama 2-7B |
|---|---|---|
| LMArena Text | 1419 | 1053 |
| LMArena Creative Writing | 1412 | 1033 |
| LMArena Multi-Turn | 1444 | 1029 |
| Short-Story Creative Writing | 84.7% | — |
Frequently asked questions
Is Claude Opus 4.1 better than Llama 2-7B?
Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 29.1 on the Noometry Index.
Is Claude Opus 4.1 or Llama 2-7B better for coding?
Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 29.2 in the Noometry coding category.
How many benchmarks do Claude Opus 4.1 and Llama 2-7B share?
17 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and Llama 2-7B has 29.