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LongWriter

THUDM/LongWriter

LongWriter enables generation of texts longer than 10,000 words using long-context LLMs

GitHub

GraphCanon updated Sep 20, 2026 · GitHub synced Sep 20, 2026

26views this month

1.9k stars182 forksLast push Jun 24, 2025 Python Apache-2.0

Decision brief

LongWriter specializes in exceeding the text generation limit to over 10,000 words using long-context LLMs for Python-based development.

Good fit when

For projects requiring texts longer than 10,000 words with fine-tuned llm models
When working on tasks that demand high-context retention across very large text outputs

Avoid when

Avoid for short-form content generation where LLM context is less relevant
Not ideal when the requirement is to maintain conciseness in output texts

Observed Jul 16, 2026 · Source: enrich:decision_facts

LongWriter alternatives Trust report

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Maintenance and security

Full trust report

Maintenance: Dormant (452d since push); As of Sep 19, 2026
Provenance: Not a fork · Organization account; As of Sep 19, 2026
Security (OSV): No lockfile; As of Jul 11, 2026

Public GitHub metadata and optional OSV scans. Signals, not a guarantee. Trust methodology.

Install

pip install LongWriter

PyPI

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Evidence and technical details

Sourced facts, taxonomy, compatibility claims, README excerpt, and machine-readable endpoints.

Overview

[ICLR 2025] LongWriter: Unleashing 10,000+ Word Generation from Long Context LLMs, implemented in Python with focus on fine-tuning and llm functionalities

Capability facts

Languages: python
Source: github.language · Sep 19, 2026

Compatibility

Sourced claims from the README excerpt - not unsourced marketing copy.

Python runtimePython

Source: README excerpt (regex_v1, Sep 19, 2026)

```python from transformers import AutoTokenizer, AutoModelForCausalLM

Source link

README

⚙️ LongWriter Deployment Environmental Setup : We recommend using to successfully deploy our models. We open source two models: LongWriter glm4 9b and LongWriter llama3.1 8b, trained based on GLM 4 9B and Meta Llama 3.1 8B, respectively. These two models point to the "LongWriter...

For agents

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/tools/thudm-longwriter.md GET /api/graphcanon/tools/thudm-longwriter GET /api/graphcanon/graph?tool=thudm-longwriter