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LongZero: Enhancing Long-Context Reasoning in LLMs from Zero Data

Reinforcement learning (RL) is an effective way to strengthen the long-context reasoning of large language models (LLMs), but it needs training data that are long, diverse, challenging, and verifiable

  • Upvotes5
–Rank now
#25Peak rank
2Days on list
–Score · 7d
Oct 30, 2026First seen

About this paper

LongZero enables large language models to self-improve long-context reasoning by synthesizing structured multi-hop and retrieval tasks and training with GRPO without external data.

Reinforcement learning (RL) is an effective way to strengthen the long-context reasoning of large language models (LLMs), but it needs training data that are long, diverse, challenging, and verifiable. Human annotation of such data is expensive, naturally occurring data are too scarce to sustain RL, and existing synthesis methods depend on external corpora or stronger teacher models, which become harder to obtain as the trained models get stronger. Recently, RL from zero data, in which a model learns from tasks it proposes itself, has achieved excellent performance, but existing methods target short-context tasks. Therefore, we propose LongZero, a method that lets an LLM improve its own…

reinforcement learninglong-context reasoninglarge language modelsGRPOmulti-hop reasoningmulti-round retrievalself-synthesis
Upvotes
5
Authors
2
Published
Oct 21, 2026

Summary and abstract excerpt via Hugging Face Papers ↗ · arXiv.

Trending history

LongZero: Enhancing Long-Context Reasoning in LLMs from Zero Data was first seen on Hugging Face · Daily papers on Oct 30, 2026. Since then it has appeared in 16 checks on 2 different days. Its best position was #25 of 30, reached on Oct 30, 07:28 UTC. It dropped off the list after Oct 31, 11:28 UTC.

Rank history

Position on Hugging Face · Daily papers at every check (lower is better).

#1#11#20#30 03:2811:2819:2803:2811:28 Oct 30, 03:28 UTC · #28Oct 30, 05:28 UTC · #27Oct 30, 07:28 UTC · #25Oct 30, 09:28 UTC · #29Oct 30, 11:28 UTC · #29Oct 30, 13:28 UTC · #30Oct 30, 17:28 UTC · #27Oct 30, 19:28 UTC · #28Oct 30, 21:28 UTC · #28Oct 30, 23:28 UTC · #28Oct 31, 01:28 UTC · #29Oct 31, 03:28 UTC · #29Oct 31, 05:28 UTC · #29Oct 31, 07:28 UTC · #29Oct 31, 09:28 UTC · #30Oct 31, 11:28 UTC · #30

Last 14 days

Best rank per day (UTC).

Oct 26today

Metric history

Platform metric as reported by Hugging Face.

0257 03:2811:2819:2803:2811:28 Oct 30, 03:28 UTC · 5Oct 30, 05:28 UTC · 5Oct 30, 07:28 UTC · 6Oct 30, 09:28 UTC · 6Oct 30, 11:28 UTC · 6Oct 30, 13:28 UTC · 6Oct 30, 17:28 UTC · 7Oct 30, 19:28 UTC · 7Oct 30, 21:28 UTC · 7Oct 30, 23:28 UTC · 7Oct 31, 01:28 UTC · 7Oct 31, 03:28 UTC · 7Oct 31, 05:28 UTC · 7Oct 31, 07:28 UTC · 7Oct 31, 09:28 UTC · 7Oct 31, 11:28 UTC · 7

Questions

Is LongZero: Enhancing Long-Context Reasoning in LLMs from Zero Data trending on HF Daily Papers right now?

Not at the moment. It was last on the list on Oct 31, 11:28 UTC, after 2 days of trending.

What is the highest rank LongZero: Enhancing Long-Context Reasoning in LLMs from Zero Data reached?

#25 on Hugging Face · Daily papers, on Oct 30, 07:28 UTC. Trendoday checks this list every 120 minutes.

How long has LongZero: Enhancing Long-Context Reasoning in LLMs from Zero Data been trending?

It was first seen on Oct 30, 2026 and has been on the list on 2 days (16 checks) since.