Llama 2-13B
Llama 2-13B is a Meta open-weights model, released 18 Jul 2023. Its best configuration ranks #757 of 785 on the BenchLeader Index at 36.0 ±3.4, in the lower half. The ± is the point: 139 other configurations score within that range, so they and this one cannot be told apart on quality alone — price and speed are what separate them. It scores highest in composite (35) and lowest in coding (25). Last measured 22 Oct 2026.
- Blended price
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- Output speed
- –
- First answer
- –
- Context
- 4k
- Full answer
- –
- Cost per run
- –
- Released
- 18 Jul 2023
- Overall index36
- Reasoning26
- Coding25
- Maths26
- Human preference26
- Composite35
Versions
Meta has shipped 2 models under this name. Each is ranked on its own results; a newer version often has fewer results so far, which holds its index nearer the average until more arrive.
| Model | Released | Index | Rank |
|---|---|---|---|
| Llama 2-13Bthis page | 18 Jul 2023 | 36.0 | #757 |
| LLaMA-13B | 24 Feb 2023 | – | – |
How its index has moved
19 Sept 2026 to 23 Oct 2026The index is recomputed from scratch every day, so a line moves when a new benchmark result lands, when a publisher revises a score, or when the models it is normalised against change. Early movement usually means the score is still settling.
Benchmark results
See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Reasoning
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Arena Hard Prompts | 1139#344 | Arena (LMArena) | |
| GPQA Diamond (AA)not in index | 32.1%#512 | Artificial Analysis | |
| Humanity's Last Exam (AA)not in index | 4.8%#475 | Artificial Analysis | |
| DTBenchnot in index | 42.2%#228 | Epoch AI Benchmarking Hub | |
| HellaSwagnot in index | 80.7%#26 | Epoch AI Benchmarking Hub | |
| BIG-Bench Hardnot in index | 58.2%#18 | Epoch AI Benchmarking Hub | |
| WinoGrandenot in index | 72.8%#41 | Epoch AI Benchmarking Hub | |
| ARC (AI2 Challenge)not in index | 60.3%#35 | Epoch AI Benchmarking Hub | |
| PIQAnot in index | 80.8%#28 | Epoch AI Benchmarking Hub |
Coding
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Arena Coding | 1163#342 | Arena (LMArena) |
Maths
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Arena Maths | 1110#335 | Arena (LMArena) | |
| GSM8Knot in index | 36.9%#46 | Epoch AI Benchmarking Hub |
Knowledge
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| MMLUnot in index | 55.6%#87 | Epoch AI Benchmarking Hub | |
| TriviaQAnot in index | 79.6%#17 | Epoch AI Benchmarking Hub | |
| OpenBookQAnot in index | 57.0%#20 | Epoch AI Benchmarking Hub | |
| LAMBADAnot in index | 76.5%#10 | Epoch AI Benchmarking Hub |
Instruction following
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Arena Instruction Followingnot in index | 1110#344 | Arena (LMArena) |
Human preference
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Arena Text | 1142#343 | Arena (LMArena) | |
| Arena Creative Writingnot in index | 1092#348 | Arena (LMArena) | |
| Arena Multi-turnnot in index | 1101#339 | Arena (LMArena) | |
| Arena Longer Queriesnot in index | 1141#332 | Arena (LMArena) |
Multimodal
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| ScienceQAnot in index | 55.8%#20 | Epoch AI Benchmarking Hub |
Composite
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Epoch Capabilities Indexnot in index | 105.6#212 | Epoch AI Benchmarking Hub | |
| AA Intelligence Index v4.3.2 | 5.3#586 | Artificial Analysis |
More from Meta
See also
Questions people ask
- What are Llama 2-13B's benchmark scores?
- As of 25 Oct 2026, Llama 2-13B scores 36.0 ±3.4 on the BenchLeader Index, strongest in composite (35) and weakest in coding (25). That rests on 5 independent benchmark results, and every score on this page links to its publisher.
- How does Llama 2-13B rank?
- Llama 2-13B is #757 of 785 ranked configurations on 25 Oct 2026. 139 other configurations score within its margin, so the exact position matters less than the band. The leader is Claude Opus 5.5 (max effort) at 72.6.
- When was Llama 2-13B released?
- Meta released Llama 2-13B on 18 Jul 2023.
Data as of 25 Oct 2026. Compare with another model.
Cite as: BenchLeader, “Llama 2-13B: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/llama-2-13b.