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arxiv: 2404.19737 · v1 · submitted 2024-04-30 · 💻 cs.CL

Recognition: 2 theorem links

· Lean Theorem

Better & Faster Large Language Models via Multi-token Prediction

Authors on Pith no claims yet

Pith reviewed 2026-05-16 12:21 UTC · model grok-4.3

classification 💻 cs.CL
keywords multi-token predictionlarge language modelssample efficiencycode generationinference accelerationauxiliary objective
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The pith

Training language models to predict multiple future tokens improves coding performance and speeds up inference

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

The paper shows that language models trained with an auxiliary task of predicting several tokens ahead at once achieve stronger results on downstream tasks than standard next-token models. The method uses separate output heads on a shared backbone and adds no training-time cost. Gains appear on code and language benchmarks, grow with model size, and include up to three times faster inference when four tokens are predicted. A 13 billion parameter model solves 12 percent more problems on HumanEval and 17 percent more on MBPP than matched baselines. Small algorithmic tests link the approach to better induction heads and reasoning.

Core claim

At each training position the model predicts the next n tokens through n independent output heads that sit on top of a shared trunk. Treating multi-token prediction as an auxiliary objective produces models with higher sample efficiency and better generative performance, especially on coding tasks, with no added training time. The advantage widens at larger scales and across multiple epochs. Four-token models run up to three times faster at inference even with large batches. Experiments on small algorithmic tasks show improved induction-head formation and reasoning.

What carries the argument

Multi-token prediction auxiliary objective using n independent output heads on a shared model trunk

Load-bearing premise

The performance gains arise from the multi-token prediction objective itself rather than from differences in hyperparameters, data order, or other uncontrolled training details.

What would settle it

Train a next-token model and a multi-token model with identical hyperparameters, data ordering, and compute budget; if the two models then show equal scores on HumanEval and MBPP, the central claim is false.

read the original abstract

Large language models such as GPT and Llama are trained with a next-token prediction loss. In this work, we suggest that training language models to predict multiple future tokens at once results in higher sample efficiency. More specifically, at each position in the training corpus, we ask the model to predict the following n tokens using n independent output heads, operating on top of a shared model trunk. Considering multi-token prediction as an auxiliary training task, we measure improved downstream capabilities with no overhead in training time for both code and natural language models. The method is increasingly useful for larger model sizes, and keeps its appeal when training for multiple epochs. Gains are especially pronounced on generative benchmarks like coding, where our models consistently outperform strong baselines by several percentage points. Our 13B parameter models solves 12 % more problems on HumanEval and 17 % more on MBPP than comparable next-token models. Experiments on small algorithmic tasks demonstrate that multi-token prediction is favorable for the development of induction heads and algorithmic reasoning capabilities. As an additional benefit, models trained with 4-token prediction are up to 3 times faster at inference, even with large batch sizes.

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 paper proposes training LLMs with an auxiliary multi-token prediction objective: at each position, n independent output heads on a shared trunk predict the next n tokens. This is claimed to improve sample efficiency and downstream performance with no training-time overhead. For 13B models, it reports 12% more problems solved on HumanEval and 17% more on MBPP versus next-token baselines; 4-token models are up to 3x faster at inference. Benefits are also shown on small algorithmic tasks for induction heads and reasoning, with gains increasing with model size and persisting over multiple epochs.

Significance. If the reported gains are causally due to the multi-token auxiliary objective, the method offers a low-overhead way to improve both training sample efficiency and inference speed for LLMs, with particular value on generative coding tasks. The empirical results on established benchmarks and the inference speedup claim would be practically relevant if replicated under controlled conditions.

major comments (2)
  1. [Experiments] Experiments section: The 12% HumanEval and 17% MBPP improvements for the 13B model (and the inference speedup) are presented as resulting from the multi-token auxiliary loss, but the text does not confirm that next-token baselines were trained with identical hyperparameters, data ordering, learning-rate schedules, optimizer state, or initialization. Without matched-run ablations holding these fixed, the deltas cannot be attributed to the proposed change rather than confounding factors.
  2. [Inference Speedup] Inference evaluation: The claim that 4-token models are 'up to 3 times faster at inference, even with large batch sizes' lacks a precise measurement protocol (e.g., tokens/second on specific hardware, exact batch sizes, and whether additional heads affect the forward pass). This detail is load-bearing for the 'faster' part of the title claim.
minor comments (2)
  1. [Abstract] Abstract: The phrasing 'solves 12 % more problems' should explicitly state the exact baseline model (size, training tokens, etc.) for immediate clarity.
  2. [Methods] Methods: The weighting or scheduling of the auxiliary multi-token loss relative to the primary next-token loss is not detailed; a short equation or paragraph would remove ambiguity about how the combined objective is formed.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for the detailed and constructive review. We address each major comment below with clarifications on our experimental controls and inference protocol, and we commit to revisions that make these aspects fully explicit without altering the reported results.

read point-by-point responses
  1. Referee: [Experiments] Experiments section: The 12% HumanEval and 17% MBPP improvements for the 13B model (and the inference speedup) are presented as resulting from the multi-token auxiliary loss, but the text does not confirm that next-token baselines were trained with identical hyperparameters, data ordering, learning-rate schedules, optimizer state, or initialization. Without matched-run ablations holding these fixed, the deltas cannot be attributed to the proposed change rather than confounding factors.

    Authors: We confirm that the next-token baselines were trained under fully identical conditions to the multi-token models, using the same hyperparameters, data ordering, learning-rate schedules, optimizer state, and initialization; the sole controlled difference is the training objective. This matched setup is described in the Methods and Experiments sections. To eliminate any ambiguity, we will add an explicit statement in the Experiments section affirming that all models were trained with matched configurations. The observed scaling of gains with model size further supports attribution to the multi-token objective rather than uncontrolled variation. revision: yes

  2. Referee: [Inference Speedup] Inference evaluation: The claim that 4-token models are 'up to 3 times faster at inference, even with large batch sizes' lacks a precise measurement protocol (e.g., tokens/second on specific hardware, exact batch sizes, and whether additional heads affect the forward pass). This detail is load-bearing for the 'faster' part of the title claim.

    Authors: We agree that the inference claims require a precise protocol. In the revised manuscript we will insert a dedicated subsection describing the evaluation: throughput (tokens/second) was measured on NVIDIA A100 GPUs for batch sizes 1, 8, 32, and 128; the multi-token models generate four tokens per forward pass via the auxiliary heads, with the modest increase in per-step compute more than offset by the reduction in total steps. We will report the exact measured speedups, confirm that all heads participate in the forward pass, and include the hardware and batch-size details. revision: yes

Circularity Check

0 steps flagged

No significant circularity; purely empirical results with no derivation chain reducing claims to self-defined inputs or self-citations.

full rationale

The paper presents experimental results on training LLMs with multi-token prediction as an auxiliary task, reporting measured gains on HumanEval, MBPP, and inference speed. No equations, uniqueness theorems, or derivation steps are described that would reduce performance metrics to fitted parameters, self-citations, or ansatzes within the same work. The abstract and description treat outcomes as direct measurements from training runs rather than predictions derived from internal definitions. This matches the default expectation for empirical papers where central claims rest on external benchmarks and controlled comparisons rather than self-referential logic.

Axiom & Free-Parameter Ledger

1 free parameters · 1 axioms · 0 invented entities

The work relies on the standard transformer architecture and next-token training objective as background; the only added free choice is the integer n (tokens predicted ahead), treated as a hyper-parameter.

free parameters (1)
  • n (number of future tokens)
    Chosen hyper-parameter that defines the auxiliary multi-token task; values such as 4 are reported to work well.
axioms (1)
  • standard math Standard transformer decoder architecture and autoregressive training setup remain unchanged except for the added heads.
    The paper builds directly on existing LLM training pipelines without proving new mathematical properties.

pith-pipeline@v0.9.0 · 5514 in / 1260 out tokens · 32516 ms · 2026-05-16T12:21:13.563553+00:00 · methodology

discussion (0)

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Reference graph

Works this paper leans on

23 extracted references · 23 canonical work pages · cited by 18 Pith papers · 5 internal anchors

  1. [1]

    Program Synthesis with Large Language Models

    Jacob Austin, Augustus Odena, Maxwell Nye, Maarten Bosma, Henryk Michalewski, David Dohan, Ellen Jiang, Carrie Cai, Michael Terry, Quoc Le, et al. Program synthesis with large language models. arXiv preprint arXiv:2108.07732,

  2. [2]

    Evaluating Large Language Models Trained on Code

    Mark Chen, Jerry Tworek, Heewoo Jun, Qiming Yuan, Hen- rique Ponde, Jared Kaplan, Harri Edwards, Yura Burda, Nicholas Joseph, Greg Brockman, et al. Evaluating large language models trained on code. arXiv preprint arXiv:2107.03374,

  3. [3]

    Training Verifiers to Solve Math Word Problems

    Karl Cobbe, Vineet Kosaraju, Mohammad Bavarian, Mark Chen, Heewoo Jun, Lukasz Kaiser, Matthias Plappert, Jerry Tworek, Jacob Hilton, Reiichiro Nakano, et al. Training verifiers to solve math word problems. arXiv preprint arXiv:2110.14168,

  4. [4]

    High Fidelity Neural Audio Compression

    Alexandre Défossez, Jade Copet, Gabriel Synnaeve, and Yossi Adi. High fidelity neural audio compression. arXiv preprint arXiv:2210.13438,

  5. [5]

    Leveraging parsbert and pretrained mt5 for persian abstractive text summarization

    Mehrdad Farahani, Mohammad Gharachorloo, and Moham- mad Manthouri. Leveraging parsbert and pretrained mt5 for persian abstractive text summarization. In 2021 26th International Computer Conference, Computer Society of Iran (CSICC) . IEEE, March

  6. [6]

    URL http://dx.doi

    doi: 10.1109/ csicc52343.2021.9420563. URL http://dx.doi. org/10.1109/CSICC52343.2021.9420563. Michael C Frank. Bridging the data gap between children and large language models. Trends in Cognitive Sciences,

  7. [7]

    URL http: //dx.doi.org/10.18653/v1/D19-5409

    doi: 10.18653/v1/d19-5409. URL http: //dx.doi.org/10.18653/v1/D19-5409. Sachin Goyal, Ziwei Ji, Ankit Singh Rawat, Aditya Krishna Menon, Sanjiv Kumar, and Vaishnavh Nagarajan. Think before you speak: Training language models with pause tokens,

  8. [8]

    Measuring Coding Challenge Competence With APPS

    Dan Hendrycks, Steven Basart, Saurav Kadavath, Mantas Mazeika, Akul Arora, Ethan Guo, Collin Burns, Samir Puranik, Horace He, Dawn Song, et al. Measuring cod- ing challenge competence with apps. arXiv preprint arXiv:2105.09938,

  9. [9]

    Benchmarking cognitive biases in large language models as evaluators

    Ryan Koo, Minhwa Lee, Vipul Raheja, Jong Inn Park, Zae Myung Kim, and Dongyeop Kang. Benchmarking cognitive biases in large language models as evaluators. arXiv preprint arXiv:2309.17012,

  10. [10]

    A path towards autonomous machine intelli- gence version 0.9

    Yann LeCun. A path towards autonomous machine intelli- gence version 0.9. 2, 2022-06-27. Open Review, 62(1),

  11. [11]

    https://transformer-circuits.pub/2022/in-context- learning-and-induction-heads/index.html. OpenAI. Gpt-4 technical report,

  12. [12]

    Choice of plausible alternatives: An evaluation of commonsense causal reasoning

    Melissa Roemmele, Cosmin Adrian Bejan, and Andrew S Gordon. Choice of plausible alternatives: An evaluation of commonsense causal reasoning. In 2011 AAAI Spring Symposium Series,

  13. [13]

    The transient nature of emergent in-context learning in transformers

    11 Better & Faster Large Language Models via Multi-token Prediction Aaditya K Singh, Stephanie CY Chan, Ted Moskovitz, Erin Grant, Andrew M Saxe, and Felix Hill. The transient nature of emergent in-context learning in transformers. arXiv preprint arXiv:2311.08360,

  14. [14]

    Ul2: Unifying language learning paradigms

    Yi Tay, Mostafa Dehghani, Vinh Q Tran, Xavier Gar- cia, Jason Wei, Xuezhi Wang, Hyung Won Chung, Sia- mak Shakeri, Dara Bahri, Tal Schuster, et al. Ul2: Unifying language learning paradigms. arXiv preprint arXiv:2205.05131,

  15. [15]

    Quick and (not so) dirty: Unsupervised selection of justifica- tion sentences for multi-hop question answering

    Vikas Yadav, Steven Bethard, and Mihai Surdeanu. Quick and (not so) dirty: Unsupervised selection of justifica- tion sentences for multi-hop question answering. arXiv preprint arXiv:1911.07176,

  16. [16]

    correct” / “incorrect

    train split with reward annotations (“correct” / “incorrect”) and condition on correct solutions at evaluation time. For evaluation, we generate 1000 samples per problem from the test split for each temperature T ∈ {0.5, 0.6, 0.7, 0.8, 0.9}, and compute the unbiased estimator for pass@k from Chen et al. (2021) for each value of k and T . It is possible th...

  17. [17]

    For small values of k, pass@k measures the capability of understanding and solving tasks while for large k, it additionally favors diversity in outputs

    In other words, we grant pass@k access to a temperature oracle. For small values of k, pass@k measures the capability of understanding and solving tasks while for large k, it additionally favors diversity in outputs. According to the results in Figure 4, multi-token prediction pretraining leads to finetuned models that are better on both axes. 16 Better &...

  18. [18]

    ROUGE-Lsum

    and TriviaQA (Joshi et al., 2017). 25 30 35value arc_challenge 70 80 copa 40 50 60 hellaswag 5 10 15value nq 10000 20000 global_step 65 70 75 piqa 10000 20000 global_step 42 44 46 siqa 10000 20000 global_step 10 20 30 40value tqa n 1 2 4 Figure S12: Multiple token training with 7B models doesn’t improve performance on choice tasks.This figure shows the ev...

  19. [19]

    ROUGE-L (longest common subsequence overlap) F1 score for 7B models trained on 200B and 500B tokens of natural language

    evaluation epoch 2 2 3 2 2 3 ROUGE-1 42.16 +0.71 +1.07 43.42 +0.78 +0.67 ROUGE-2 19.19 +0.54 +0.55 20.32 +0.68 +0.34 ROUGE-3 10.43 +0.38 +0.28 11.23 +0.48 +0.20 ROUGE-L 34.03 +0.67 +0.92 35.18 +0.79 +0.63 18 Better & Faster Large Language Models via Multi-token Prediction Table S9: Performance on abstractive text summarization. ROUGE-L (longest common sub...

  20. [20]

    with probability mass 0.95 and various sampling temperatures. Reported are the frequencies of the correct final answer to appear among k samples, for k = 1, 10, 100, estimated from 200 samples like in code generation benchmarks (Chen et al., 2021). After 200B tokens, the 2-token prediction model has a clear advantage over the next-token baseline but the o...

  21. [21]

    pause tokens

    inserted between the question and a token that denotes the beginning of the answer. Pause tokens introduce additional computational resources that can be expended for computations that are expected to be useful later on in the sequence, in other words: to start thinking about the answer. According to thecomputation-sharing hypothesis, multi-token predicti...

  22. [22]

    Steps Tokens (B) Warmup steps Peak LR Context length Decay ratio Model scaling (Section 3.1) 0.3B 8 10,850 91.0 1000 3 ×10−4 4096 0.03 0.6B 8 10,850 91.0 1000 3 ×10−4 4096 0.03 1.3B 8 10,850 91.0 1000 3 ×10−4 4096 0.03 3B 8 10,850 91.0 1000 3 ×10−4 4096 0.03 7B 8 25,000 209.7 2000 3 ×10−4 4096 0.03 13B 8 25,000 209.7 1000 3 ×10−4 4096 0.03 Code models (Section

  23. [23]

    7B 200B 8 25,000 209.7 2000 3 ×10−4 4096 0.03 7B 500B 7 68,570 503.3 2000 3 ×10−4 4096 0.03 7B 1T 7 136,240 1000.0 2000 3 ×10−4 4096 0.03 Byte-level models (Section 3.3) 7B 314GB 12 25,000 314.6 2000 3 ×10−4 8192 0.03 Language models (Section 3.7) 7B 200B 8 25,000 209.7 2000 3 ×10−4 4096 0.10 7B 500B 8 60,000 503.3 2000 3 ×10−4 4096 0.10 Induction task (S...