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arxiv: 2302.13971 · v1 · pith:ASFYTQH3new · submitted 2023-02-27 · 💻 cs.CL

LLaMA: Open and Efficient Foundation Language Models

Pith reviewed 2026-05-24 09:34 UTC · model grok-4.3

classification 💻 cs.CL
keywords foundation language modelspublic datasetsmodel scalingbenchmark performanceopen releaseGPT-3 comparison
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The pith

LLaMA models trained only on public data outperform GPT-3 despite fewer parameters.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper introduces LLaMA, a family of foundation language models sized from 7B to 65B parameters. These models are trained on trillions of tokens drawn exclusively from publicly available datasets. The central result is that the 13B version surpasses GPT-3 (175B) on most standard benchmarks while the 65B version reaches parity with Chinchilla-70B and PaLM-540B. The authors release the full set of models to support wider research. This shows that high performance is achievable without access to proprietary data collections.

Core claim

It is possible to train state-of-the-art foundation language models using only publicly available datasets exclusively, without resorting to proprietary and inaccessible datasets. In particular, LLaMA-13B outperforms GPT-3 (175B) on most benchmarks, and LLaMA-65B is competitive with the best models, Chinchilla-70B and PaLM-540B.

What carries the argument

The LLaMA collection of foundation language models trained on public data mixtures to reach competitive benchmark scores.

Load-bearing premise

The evaluation benchmarks used are fair and representative measures of capability that do not favor models trained on the specific public data mixtures chosen by the authors.

What would settle it

A new held-out benchmark or evaluation set on which LLaMA-13B scores below GPT-3 or LLaMA-65B falls behind Chinchilla-70B.

read the original abstract

We introduce LLaMA, a collection of foundation language models ranging from 7B to 65B parameters. We train our models on trillions of tokens, and show that it is possible to train state-of-the-art models using publicly available datasets exclusively, without resorting to proprietary and inaccessible datasets. In particular, LLaMA-13B outperforms GPT-3 (175B) on most benchmarks, and LLaMA-65B is competitive with the best models, Chinchilla-70B and PaLM-540B. We release all our models to the research community.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 2 minor

Summary. The manuscript introduces the LLaMA collection of foundation language models with 7B to 65B parameters, trained on trillions of tokens from publicly available datasets only. It reports that the 13B model outperforms GPT-3 (175B) on most benchmarks and the 65B model is competitive with Chinchilla-70B and PaLM-540B, and releases the models openly.

Significance. If the benchmark results hold after accounting for potential data issues, the work is significant in demonstrating that competitive large language models can be developed using exclusively public data, which has implications for accessibility and reproducibility in the field. The open release of models is a notable strength that enables community verification and extension.

major comments (2)
  1. [§2.1] §2.1 Pre-training data: The description of the data mixture (CommonCrawl, C4, GitHub, books, Wikipedia) does not report quantitative decontamination statistics or n-gram/document overlap measures with the test splits of the benchmarks used in §3; this directly bears on whether the headline claim that LLaMA-13B outperforms GPT-3 (175B) reflects genuine capability gains rather than memorization.
  2. [§3] §3 Main results, Tables 2–4: The reported benchmark scores lack accompanying error bars, details on the exact evaluation protocol (e.g., number of shots, prompt templates, decontamination steps per task), or multiple-run statistics, which undermines the robustness of the cross-model comparisons that form the central empirical claim.
minor comments (2)
  1. [Figure 1] Figure 1 and associated text: axis labels and legend entries for model-size scaling could be made more consistent across subplots for clarity.
  2. [Abstract] The abstract states performance claims without previewing the exact token count or data breakdown; while the body supplies these, a brief quantitative summary in the abstract would improve readability.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for their constructive feedback. We address the major comments point by point below, indicating where revisions have been made to the manuscript.

read point-by-point responses
  1. Referee: [§2.1] The description of the data mixture does not report quantitative decontamination statistics or n-gram/document overlap measures with the test splits of the benchmarks used in §3; this directly bears on whether the headline claim that LLaMA-13B outperforms GPT-3 (175B) reflects genuine capability gains rather than memorization.

    Authors: We agree that quantitative decontamination statistics would provide additional reassurance. The manuscript describes the removal of overlapping documents but does not include specific overlap measures. We have revised the text in §2.1 to provide more information on the decontamination process employed during data preparation. However, detailed n-gram overlap percentages were not computed or recorded at the time, so we cannot provide them. We believe the description of the method used sufficiently addresses the spirit of the comment. revision: partial

  2. Referee: [§3] The reported benchmark scores lack accompanying error bars, details on the exact evaluation protocol (e.g., number of shots, prompt templates, decontamination steps per task), or multiple-run statistics, which undermines the robustness of the cross-model comparisons that form the central empirical claim.

    Authors: We acknowledge the value of including more evaluation details. We have updated §3 with additional information on the evaluation protocol, specifying the number of shots and referencing the prompt templates from the original benchmark papers for each task. Decontamination is now explicitly linked to the procedure in §2.1. Error bars and multiple-run statistics are not provided because the models were evaluated in a single run, which is standard practice given the computational expense of large-scale training and inference. We have added a note in the revised manuscript acknowledging this limitation. revision: partial

Circularity Check

0 steps flagged

No circularity: purely empirical benchmark reporting

full rationale

The paper presents an empirical study of training LLaMA models on public datasets and evaluating them on standard benchmarks. No derivation chain, equations, or first-principles predictions exist that could reduce to fitted inputs, self-definitions, or self-citation load-bearing steps. The central claims (e.g., LLaMA-13B outperforming GPT-3 on benchmarks) are direct performance measurements, not constructed outputs from the paper's own methods. This is a standard non-circular empirical report.

Axiom & Free-Parameter Ledger

2 free parameters · 2 axioms · 0 invented entities

The work rests on the standard transformer architecture and scaling behavior established in prior literature; no new mathematical axioms or invented entities are introduced. Training involves many unstated hyperparameters typical of large-scale language model training.

free parameters (2)
  • model parameter counts
    7B, 13B, 33B, 65B sizes chosen to explore scaling regime.
  • training token count
    Trillions of tokens selected to reach competitive performance.
axioms (2)
  • standard math Transformer architecture is sufficient for language modeling at these scales
    Invoked implicitly by training standard decoder-only transformers.
  • domain assumption Publicly available datasets contain sufficient high-quality text for SOTA performance
    Central to the claim that proprietary data is unnecessary.

pith-pipeline@v0.9.0 · 5675 in / 1352 out tokens · 26828 ms · 2026-05-24T09:34:01.387284+00:00 · methodology

discussion (0)

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