Particle AI: Particle-1
by Particle AIParticle AI: Particle-1 is a large language model from Particle AI. It costs $0.250 per million input tokens and $1.00 per million output tokens. Its context window is 1.0M tokens.
- Input / 1M tokens
- $0.250
- Output / 1M tokens
- $1.00
- Cached input / 1M
- $0.030
- Context window
- 1.0M
On repeated prefixes
tokens
Who serves it cheapest
1 hosts serve Particle-1. Same weights, same API - the price difference is pure margin and routing.
| Provider | Input / 1M | Output / 1M | Context | Throughput | Uptime 24h |
|---|---|---|---|---|---|
| Particle AICheapest | $0.250 | $1.00 | 1.0M | - | 99.8% |
About Particle-1
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...
Specifications
| Model ID | particle-ai/particle-1 |
|---|---|
| Provider | Particle AI |
| Context window | 1.0M tokens |
| Max output | 131K tokens |
| Input modalities | text, image |
| Output modalities | text |
| Knowledge cutoff | - |
| Open weights | No |
| Released | October 28, 2026 |
Cheaper alternatives
Models that cost less than Particle-1 while keeping at least half its context window and every input modality it supports.
Frequently asked
How much does Particle AI: Particle-1 cost?
$0.250 per million input tokens and $1.00 per million output tokens. Cached input reads cost $0.030 per million tokens.
What is the context window of Particle AI: Particle-1?
1.0M tokens, with up to 131K tokens of output per request.