# Particle-1 (slim)

> Particle-1, a family of models by Particle AI, listed from OpenRouter. Indexed, not reviewed: facts and our own checks, no score or ranking. Particle-1 is a token-efficient agentic coding model from Particle AI, post-trained on DeepSeek V4.1 Flash. It is suited for software…

- Full: https://www.anchorterminal.com/tools/particle-1.md (~500 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/tools/particle-1.json · canonical https://www.anchorterminal.com/tools/particle-1
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-29
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

# Particle-1

> Indexed, not reviewed: facts from OpenRouter and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: model family, by Particle AI
- Category: Model APIs & inference (https://www.anchorterminal.com/categories/inference.md)
- Listed because: OpenRouter lists it, with prices from the providers that serve it.
- What OpenRouter says: Particle-1 is a token-efficient agentic coding model from Particle AI, post-trained on DeepSeek V4.1 Flash. It is suited for software engineering work such as terminal workflows, codebase changes, and data...

## Models (1)

| Model | OpenRouter id | Released | Context | Input $/1M | Output $/1M | Supports |
| --- | --- | --- | --- | --- | --- | --- |
| Particle-1 | `particle-ai/particle-1` | 2026-10 | 1.05M | $0.25 | $1 | tools, structured output, reasoning, caching, image |

Prices and limits as OpenRouter lists them; a provider's own price can differ.

- Create a video and download its frames: https://www.anchorterminal.com/assets/listing-video/index.html?listing=particle-1
- JSON: https://www.anchorterminal.com/api/v1/tools/particle-1.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming