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Particle-1

Tools
particle-ai/particle-1

1M context · Oct 2026 · 1 upstreams

Particle-1 is a token-efficient agentic coding model from Particle AI, post-trained on DeepSeek V4.1 Flash. It targets software engineering work such as terminal workflows and codebase changes, with a 1M-token context window, image input, tool calling and reasoning.

Needs your own keyTo use Particle-1, add a key from OpenRouter. AnyRouter adds no fee.
context
1M
input / 1M (list)
$0.25
output / 1M (list)
$1.00
routes
1
speed, 24h
—

Upstreams

1
  1. 1OpenRouterYour key · not addedyour planTPS —TTFT ——
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  • No traffic
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Details

Owner
Particle AI
Kind
Vision
Released
Oct 2026
Context
1M
Data policy
Provider retention
Endpoint
/api/v1/chat/completions

Quick start

curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "particle-ai/particle-1",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'