Particle

Particle is an OpenAI-compatible inference API for apps and agents, and Particle-1 is its model for chat, agentic coding, and tool use.

Particle's billing docs list Particle-1 at $0.25 per million uncached input tokens, $0.03 per million cached input tokens, and $1.00 per million output tokens at peak. Off-peak defaults are half of those rates. Calls draw on prepaid credits. Last checked 29 Oct 2026.

Tags

• inference API
• agents
• Particle-1

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