Particle AI

Inference startup behind the Particle-1 coding model

particle.aiSan Francisco, United States

Particle AI is the trade name of Unmetered Machines, Inc., a San Francisco inference startup. It runs an OpenAI-compatible API platform and released Particle-1, a token-efficient agentic coding model post-trained from a DeepSeek base.

Catalogue

All models by Particle AI

1 models · 1–1

Select models to compare	Model	Released	Context	Input /M	Output /M	Parameters	Type	I/O	Openness
	Particle-1Particle AI	October 28, 2026	1M	$0.05	$0.50	—	Text	text, image → text	Unknown

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