Model comparison
Claude Opus 5.5 vs Llama 3.2 90B
Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 27.5 on the Noometry Index.
Last verified . 4 shared benchmarks.
Summary
- They share 4 benchmarks with published results for both. Claude Opus 5.5 scores higher in 5 categories and Llama 3.2 90B in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Opus 5.5 leads 91.8 to 11.1.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 100% for Claude Opus 5.5 and 2.6% for Llama 3.2 90B.
- Llama 3.2 90B has downloadable open weights; the other is API-only.
Side by side
| Claude Opus 5.5 | Llama 3.2 90B | |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 68.6 | 27.5 |
| Released | 2026-09-22 | 2024-09-24 |
| Weights | Proprietary | Open |
| Context window | 1M | — |
| Max output | 128K | — |
| Input $ / M tokens | $4 | — |
| Output $ / M tokens | $20 | — |
| Results tracked | 44 | 9 |
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Category by category
Coding Not comparable
Claude Opus 5.5: 71.9 (#3), Llama 3.2 90B: —
| Benchmark | Claude Opus 5.5 | Llama 3.2 90B |
|---|---|---|
| FrontierCode | 54.6% | — |
| CursorBench | 57.8% | — |
| LMArena WebDev | 1813 | — |
| FrontierSWE | 62.3% | — |
| SciCode | 66.9% | — |
| LMArena Coding | 1547 | — |
| MirrorCode | 77.4% | — |
| ALE-Bench | 2,147 | — |
Agentic & Tool Use Claude Opus 5.5 leads
Claude Opus 5.5: 45.3 (#15), Llama 3.2 90B: 30.0 (#80)
| Benchmark | Claude Opus 5.5 | Llama 3.2 90B |
|---|---|---|
| APEX-Agents | 73.5% | — |
| BALROG | — | 27.3% |
| GDP.pdf | 30.6% | — |
| Vending-Bench 2 | 9,235 | — |
Reasoning Claude Opus 5.5 leads
Claude Opus 5.5: 80.2 (#3), Llama 3.2 90B: 21.7 (#217)
| Benchmark | Claude Opus 5.5 | Llama 3.2 90B |
|---|---|---|
| Epoch Capabilities Index | 167.33 | 125.5 |
| ARC-AGI-2 | 93.3% | — |
| NYT Connections (extended) | 88.5% | — |
| ARC-AGI-1 | 98.5% | — |
| CritPt | 31.7% | — |
| EnigmaEval | — | 0.4% |
| EBR-Bench | 71.4% | — |
| LMArena Hard Prompts | 1535 | — |
| Mystery Game Puzzles | 71% | — |
| DTBench | 98.9% | — |
| LMCA | 68.2% | — |
Math Claude Opus 5.5 leads
Claude Opus 5.5: 91.8 (#3), Llama 3.2 90B: 11.1 (#308)
| Benchmark | Claude Opus 5.5 | Llama 3.2 90B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 100% | 2.6% |
| FrontierMath (Tiers 1-3) | 91.2% | — |
| FrontierMath Tier 4 | 95% | — |
| ProofBench | 100% | — |
| LMArena Math | 1506 | — |
| MATH Level 5 | — | 39.4% |
| FrontierMath Erdős | 2.9% | — |
Knowledge Claude Opus 5.5 leads
Claude Opus 5.5: 66.4 (#10), Llama 3.2 90B: 21.7 (#274)
| Benchmark | Claude Opus 5.5 | Llama 3.2 90B |
|---|---|---|
| GPQA Diamond | 90.6% | 41% |
| SimpleQA Verified | 72.2% | — |
| LMArena Expert | 1547 | — |
| MMLU | — | 80.3% |
Multimodal Claude Opus 5.5 leads
Claude Opus 5.5: 57.8 (#1), Llama 3.2 90B: 25.4 (#124)
| Benchmark | Claude Opus 5.5 | Llama 3.2 90B |
|---|---|---|
| LMArena Vision | 1321 | 1000 |
| GeoBench | — | 52% |
| Blueprint-Bench 2 | 51.2% | — |
| Furniture Assembly | 83.3% | — |
Multilingual Not comparable
Claude Opus 5.5: 59.1 (#2), Llama 3.2 90B: —
| Benchmark | Claude Opus 5.5 | Llama 3.2 90B |
|---|---|---|
| LMArena Non-English | 1507 | — |
| LMArena Chinese | 1588 | — |
| LMArena French | 1514 | — |
| LMArena Russian | 1520 | — |
| LMArena Spanish | 1507 | — |
Instruction Following Not comparable
Claude Opus 5.5: 80.0 (#3), Llama 3.2 90B: —
| Benchmark | Claude Opus 5.5 | Llama 3.2 90B |
|---|---|---|
| LMArena Instruction Following | 1537 | — |
Long Context Not comparable
Claude Opus 5.5: 47.1 (#19), Llama 3.2 90B: —
| Benchmark | Claude Opus 5.5 | Llama 3.2 90B |
|---|---|---|
| LMArena Longer Query | 1532 | — |
Writing & Preference Not comparable
Claude Opus 5.5: 78.2 (#3), Llama 3.2 90B: —
| Benchmark | Claude Opus 5.5 | Llama 3.2 90B |
|---|---|---|
| LMArena Text | 1515 | — |
| LMArena Creative Writing | 1533 | — |
| EQ-Bench Creative Writing | 2050 | — |
| LMArena Multi-Turn | 1499 | — |
Frequently asked questions
Is Claude Opus 5.5 better than Llama 3.2 90B?
Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 27.5 on the Noometry Index.
How many benchmarks do Claude Opus 5.5 and Llama 3.2 90B share?
4 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Llama 3.2 90B has 9.