Particle Models
San Francisco-based LLM inference platform (Unmetered Machines, Inc. dba Particle AI) serving its own Particle-1 model. Under its zero data retention policy, prompts and outputs are not stored after a request completes and are not used to train models. Requesty routes to 1 Particle model starting at $0.25 per 1M input tokens with context windows up to 1.0M tokens. One API key and an OpenAI-compatible SDK. Provider rates plus 5% on pay as you go, or 0% with your own keys.
All Particle models
| Model | Context | Max Output | Input/1M | Output/1M | Capabilities | Coding |
|---|---|---|---|---|---|---|
| 1.0M | 131K | $0.25 | $1.00 | 👁🧠🔧⚡ | N/A |
About Particle on Requesty
How many Particle models are available through Requesty?
Requesty routes to 1 Particle model including regional variants, with pricing synced in real time to the upstream provider.
What is the cheapest Particle model?
The cheapest Particle model starts at $0.25 per million input tokens. See the pricing column in the table below for full per-model rates.
Does Requesty add markup on Particle pricing?
No. Requesty passes through exactly what Particle charges. You pay the same per-token rates as going direct, plus you get smart routing, caching, analytics, and one unified API for 600+ models.
Is my data used to train Particle models?
Particle's terms state that API data is not used for training. See their privacy policy for the authoritative statement.
Where are Particle models hosted?
Particle models are hosted in 🇺🇸 US. Some models are available in additional regions through AWS Bedrock, Azure, or Google Vertex AI: filter by region on the Particle rows in the models explorer.