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LLMS • CURATED • UPDATED SEP 20, 2026

Atria Dawn Preview

Open-weight 744B agentic model for long-horizon research, built on the GLM-5.2 foundation

Atria Dawn Preview is an open-weight preview release from Shanghai AI Laboratory, released around September 11, 2026 under the MIT license. Built on the 744B-parameter MoE GLM-5.2 foundation model, it accepts text input only with a 256K-token context window and is purpose-built for long-horizon research and engineering agents: combining task objectives with environmental feedback to carry a scientific method through problem analysis, tool use, code implementation, experiment execution, result analysis and failure recovery. Across 16 published benchmarks spanning real-world research, engineering and digital work, Shanghai AI Lab reports it is competitive with frontier agents and achieves the top reported score on five of them.

QUICK FACTS

Pricing Free
Platforms local, api
API Yes
Open Source Yes
Modalities LLMs
Best For Best for Open-Weight Long-Horizon Research Agents
Date Added 2026-09-20

WHY WE PICKED IT

It's a rare open-weight, MIT-licensed model aimed specifically at the full research-agent loop rather than chat or coding alone, and it's self-hostable, which none of the closed frontier agent products are. Its benchmark suite is the lab's own and hasn't been widely replicated yet, and running a 744B MoE at full precision is out of reach for most individual users.

STRENGTHS

LIMITATIONS

GETTING STARTED

Download weights from Hugging Face (internlm/Atria-Dawn-Preview) or clone github.com/atria-asi/Atria-Dawn-Preview. Text-only input, 256K context, MIT licensed for self-hosting; also reachable through third-party inference hosts.

OFFICIAL LINKS

Hugging Face↗ GitHub↗ Atria Dawn paper↗

SIMILAR TOOLS

Claude Fable 5 GPT-6 Astra NotebookLM Claude Opus 5 GPT-5.6 Sol

PRICING

Free Completely free
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FEATURED IN GUIDES

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EXPLORE ALTERNATIVES

View Atria Dawn Preview Alternatives (2026) →

Compare Atria Dawn Preview with 5+ similar llms AI tools.

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FREQUENTLY ASKED QUESTIONS

Q

Is Atria Dawn Preview free?

A

Yes, Atria Dawn Preview is completely free to use.

Q

Does Atria Dawn Preview have an API?

A

Yes, Atria Dawn Preview offers an API for programmatic integration.

Q

What is Atria Dawn Preview best for?

A

Atria Dawn Preview is best for Open-Weight Long-Horizon Research Agents. Atria Dawn Preview is an open-weight preview release from Shanghai AI Laboratory, released around September 11, 2026 under the MIT license. It's a rare open-weight, MIT-licensed model aimed specifically at the full research-agent loop rather than chat or coding alone, and it's self-hostable, which none of the closed frontier agent products are. Its benchmark suite is the lab's own and hasn't been widely replicated yet, and running a 744B MoE at full precision is out of reach for most individual users.

Q

What platforms does Atria Dawn Preview support?

A

Atria Dawn Preview supports local, api.

Q

Is Atria Dawn Preview open source?

A

Yes, Atria Dawn Preview is open source. You can access the source code on GitHub at https://github.com/atria-asi/Atria-Dawn-Preview.

Q

How do I get started with Atria Dawn Preview?

A

Download weights from Hugging Face (internlm/Atria-Dawn-Preview) or clone github.com/atria-asi/Atria-Dawn-Preview. Text-only input, 256K context, MIT licensed for self-hosting; also reachable through third-party inference hosts.

Q

How do I use Atria Dawn Preview?

A

Atria Dawn Preview is a large language model for text generation, analysis, and conversation. Use the API for programmatic access. Enter prompts or questions to get responses. It excels at mit-licensed open weights, self-hostable rather than api-only.

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