# Particle-1 — price & specs

Source: https://modelbank.ai/models/particle-1 · updated 2026-10-31 · ModelBank

| Field | Value |
|---|---|
| Vendor | Particle Ai |
| Input price | $0.05 / 1M tokens |
| Output price | $0.5 / 1M tokens |
| Cached input | $0.003 / 1M tokens |
| Context window | 1,048,576 tokens |
| Max output | 131,072 tokens |
| Input modalities | text,image |
| Reasoning / tool use | yes / yes |
| Intelligence / coding index | — / — |
| Released | 2026-10-28 |
| Retirement date | none announced |

## About

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...

## Price history

- 2026-10-28: $0.25 in / $1 out
- 2026-10-30: $0.05 in / $0.5 out


JSON: https://modelbank.ai/api/v1/models/particle-1