[ particle-ai ]

Particle AI Particle-1

Particle AI Particle-1 from Particle AI: a text model for chat and completions, with a 1,048,576-token context window and up to 131,072 output tokens. Every model below its source price, and the cheapest provider wins every request. Pay per token in USDF, with no subscription and no minimum. Streaming and the OpenAI-compatible request format are supported.

Get an API key Try in Playground

particle-aiparticle-1ServingtextContext window: 1,048,576 tokens

Context window

1,048,576

tokens

Prices show once you sign in. Sign in

Models with a zero-retention route use it by default. A model marked 'provider may keep data' is served by a provider that may keep request data; choosing it is your choice.

Model ID: particle-1
Modality: text
Unit: USD per 1M tokens
Endpoints: /v1/chat/completions
Max output: 131,072 tokens

Data policy

Privacy details

Zero retentionNo training

Make your first request

Use any OpenAI-compatible SDK. Change the base URL, keep everything else. Responses include a receipt with the exact cost. Need a key? Create one.

Without an account, send the same request to /x402/v1/chat/completions with no credentials and the gateway answers 402 with a quote. Pay per request.

POST /v1/chat/completions

curl https://api.usdf.fi/v1/chat/completions \
  -H "Authorization: Bearer $USDF_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "particle-1", "messages": [{"role": "user", "content": "Hello"}]}'