# Atria Dawn Preview

> Atria Dawn Preview is the preview release of an open-weight agentic model from the Shanghai Artificial Intelligence Laboratory, built on the 744B-parameter GLM-5.2 mixture-of-experts base. It targets research and engineering work that needs tool use and multi-step task completion, with a 256K-token context and text-only input.

**ID**: `atria-asi/atria-dawn-preview`  
**Creator**: atria-asi  
**Category**: text  
**Context**: 256K tokens  
**Pricing**: BYOK — billed by your provider  
**Released**: 2026-09-11  
**Web page**: https://anyrouter.dev/model/atria-asi/atria-dawn-preview

**Input modalities**: text  
**Output modalities**: text  

**Capabilities**: chat, streaming, reasoning, coding, agentic, function-calling

**Aliases**: `internlm/atria-dawn-preview`

## Usage

**Endpoint**: `POST https://anyrouter.dev/api/v1/chat/completions`

```bash
curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "atria-asi/atria-dawn-preview",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| infron-byok | BYOK — billed by your provider | — |

BYOK routes are billed by your own provider key — AnyRouter charges $0. Rates marked (list) are the provider's published list price.

## Model card

- Architecture: mixture of experts [1]
- Native context: 256000 tokens [1]
- License: MIT, open weights (https://huggingface.co/internlm/Atria-Dawn-Preview) [1]

### Strengths [1]

- Agentic loop from problem analysis to tool use, code, experiments and failure recovery
- Leads its comparison table on DeepSearchQA, BrowseComp, BFCL V4, AutomationBench and CyberGym

### Known limits [1]

- Text input only; image input is rejected with a 400

### Use cases [1]

- Deep research and scientific automation
- Software and data-visualization builds
- Office deliverables such as reports and presentations

### Links

- announcement: https://atria-asi.ai/
- model card: https://huggingface.co/internlm/Atria-Dawn-Preview
- paper: https://arxiv.org/abs/2609.15818
- Next version: https://anyrouter.dev/model/atria-asi/atria-dawn

### Sources

1. [Atria Dawn Preview model card](https://huggingface.co/internlm/Atria-Dawn-Preview) (accessed 2026-10-30)

## Source

- Upstream docs: https://huggingface.co/internlm/Atria-Dawn-Preview