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Favicon for particle-ai

Particle AI

Access 1 Particle AI model through the OpenRouter unified API including Particle-1. Compare pricing, context windows, benchmarks, and capabilities between different Particle AI models.

Particle AI tokens processed on OpenRouter

  • Favicon for particle-ai
    Particle AI: Particle-1Particle-1
    58.6M tokens

    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 engineering tasks, and is trained to complete them with substantially fewer reasoning and tool-call tokens while keeping accuracy close to its base model.

    by particle-aiOct 28, 20261.05M context$0.25/M input tokens$1/M output tokens

Frequently asked questions

OpenRouter serves 1 Particle AI model behind one OpenAI-compatible API. Create an OpenRouter API key, point your client at https://openrouter.ai/api/v1, and set the model to an ID such as particle-ai/particle-1. The quickstart has request examples for every supported SDK.

Particle-1 has the largest context window of any Particle AI model on OpenRouter, accepting up to 1,048,576 tokens per request.

Particle-1 is the most recently added Particle AI model on OpenRouter, listed on October 28, 2026.