Model comparison
Claude Sonnet 5.5 vs Llama 13b
Claude Sonnet 5.5 is the stronger model overall, scoring 60.5 to 23.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
MetaSummary
- The widest gap is in math, where Claude Sonnet 5.5 leads 88.7 to 24.4.
- Llama 13b has downloadable open weights; the other is API-only.
Side by side
| Claude Sonnet 5.5 | Llama 13b | |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 60.5 | 23.9 |
| Released | 2026-09-28 | 2023-02-24 |
| Weights | Proprietary | Open |
| Context window | 1M | — |
| Max output | 128K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 16 | 21 |
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Category by category
Coding Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 65.5 (#6), Llama 13b: 20.9 (#332)
| Benchmark | Claude Sonnet 5.5 | Llama 13b |
|---|---|---|
| FrontierCode | 52.1% | — |
| CursorBench | 55.5% | — |
| LMArena WebDev | 1699 | — |
| FrontierSWE | 61.9% | — |
| SciCode | 61% | — |
| LMArena Coding | — | 683 |
| ALE-Bench | 1,819 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 5.5: 44.9 (#14), Llama 13b: —
| Benchmark | Claude Sonnet 5.5 | Llama 13b |
|---|---|---|
| APEX-Agents | 75.5% | — |
Reasoning Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 52.4 (#29), Llama 13b: 13.4 (#327)
| Benchmark | Claude Sonnet 5.5 | Llama 13b |
|---|---|---|
| CritPt | 31.4% | — |
| LMArena Hard Prompts | — | 728 |
| Mystery Game Puzzles | 65% | — |
| BIG-Bench Hard | — | 37.9% |
| Epoch Capabilities Index | — | 100.09 |
| HellaSwag | — | 79.2% |
| LAMBADA | — | 75.2% |
| PIQA | — | 80.1% |
| WinoGrande | — | 73% |
Math Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 88.7 (#4), Llama 13b: 24.4 (#259)
| Benchmark | Claude Sonnet 5.5 | Llama 13b |
|---|---|---|
| FrontierMath (Tiers 1-3) | 88.8% | — |
| FrontierMath Tier 4 | 80.5% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 100% | — |
| LMArena Math | — | 838 |
| GSM8K | — | 20.6% |
Knowledge Not comparable
Claude Sonnet 5.5: 66.0 (#11), Llama 13b: —
| Benchmark | Claude Sonnet 5.5 | Llama 13b |
|---|---|---|
| GPQA Diamond | 95.6% | — |
| SimpleQA Verified | 46.5% | — |
| ARC (AI2) Challenge | — | 52.7% |
| BoolQ | — | 78.7% |
| MMLU | — | 47.7% |
| OpenBookQA | — | 56.4% |
| TriviaQA | — | 77.9% |
Multimodal Not comparable
Claude Sonnet 5.5: 53.2 (#5), Llama 13b: —
| Benchmark | Claude Sonnet 5.5 | Llama 13b |
|---|---|---|
| Furniture Assembly | 75% | — |
| ScienceQA | — | 43.3% |
Multilingual Not comparable
Claude Sonnet 5.5: —, Llama 13b: 16.8 (#292)
| Benchmark | Claude Sonnet 5.5 | Llama 13b |
|---|---|---|
| LMArena Non-English | — | 819 |
Instruction Following Not comparable
Claude Sonnet 5.5: —, Llama 13b: 36.9 (#300)
| Benchmark | Claude Sonnet 5.5 | Llama 13b |
|---|---|---|
| LMArena Instruction Following | — | 781 |
Writing & Preference Not comparable
Claude Sonnet 5.5: —, Llama 13b: 13.9 (#307)
| Benchmark | Claude Sonnet 5.5 | Llama 13b |
|---|---|---|
| LMArena Text | — | 834 |
| LMArena Creative Writing | — | 794 |
| LMArena Multi-Turn | — | 753 |
Frequently asked questions
Is Claude Sonnet 5.5 better than Llama 13b?
Claude Sonnet 5.5 is the stronger model overall, scoring 60.5 to 23.9 on the Noometry Index.
Is Claude Sonnet 5.5 or Llama 13b better for coding?
Claude Sonnet 5.5 scores higher on coding benchmarks: 65.5 versus 20.9 in the Noometry coding category.
How many benchmarks do Claude Sonnet 5.5 and Llama 13b share?
0 benchmarks have published results for both models. Claude Sonnet 5.5 has 16 scored results on Noometry and Llama 13b has 21.