BenchLeader

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
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First answer
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Context
4k
Full answer
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Cost per run
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Released
18 Jul 2023
How it scores by categoryDashed line = average model (50). One step of 15 = one standard deviation.
  1. Overall index36
  2. Reasoning26
  3. Coding25
  4. Maths26
  5. Human preference26
  6. 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.

ModelReleasedIndexRank
Llama 2-13Bthis page18 Jul 202336.0#757
LLaMA-13B24 Feb 2023––

How its index has moved

19 Sept 2026 to 23 Oct 2026
333640

The 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.

Coding

Benchmarknot statedSourceTrend
Arena Coding1163#342Arena (LMArena)

Maths

Benchmarknot statedSourceTrend
Arena Maths1110#335Arena (LMArena)
GSM8Knot in index36.9%#46Epoch AI Benchmarking Hub

Knowledge

Benchmarknot statedSourceTrend
MMLUnot in index55.6%#87Epoch AI Benchmarking Hub
TriviaQAnot in index79.6%#17Epoch AI Benchmarking Hub
OpenBookQAnot in index57.0%#20Epoch AI Benchmarking Hub
LAMBADAnot in index76.5%#10Epoch AI Benchmarking Hub

Instruction following

Benchmarknot statedSourceTrend
Arena Instruction Followingnot in index1110#344Arena (LMArena)

Human preference

Benchmarknot statedSourceTrend
Arena Text1142#343Arena (LMArena)
Arena Creative Writingnot in index1092#348Arena (LMArena)
Arena Multi-turnnot in index1101#339Arena (LMArena)
Arena Longer Queriesnot in index1141#332Arena (LMArena)

Multimodal

Benchmarknot statedSourceTrend
ScienceQAnot in index55.8%#20Epoch AI Benchmarking Hub

Composite

More from Meta

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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.