Particle-1

29 October 2026Particle AI

Particle AI post-trained DeepSeek V4.1 Flash for coding tasks with less generated text. Its evaluation pairs task pass rates with output-token use so you can assess both quality and efficiency.

Particle-1 is available on MiniRouter as . The model page has current pricing, provider routes and API setup.

View Particle-1

Compare useful work and generated tokens together.

Particle’s DeepSWE 1.1 evaluation pairs a similar task pass rate with lower output volume than its DeepSeek V4.1 Flash base. The result is a reason to test your own workload, rather than a guarantee of lower cost.

DeepSWE 1.1 task pass rate

Particle-172.6%
DeepSeek V4.1 Flash71.2%

0–100% · higher is better

Particle-1: 59,580; mean output tokens per task
DeepSeek V4.1 Flash: 83,246; mean output tokens per task

Particle evaluation, October 28, 2026. Terminus 2, max reasoning, 512K-token budget, 16 rollouts per task. Output means include successful and unsuccessful attempts, excluding infrastructure interruptions. Publisher-reported; not independently reproduced.

View chart data

Particle DeepSWE 1.1 evaluation data
Model	Task pass rate	Mean output tokens
Particle-1	72.57%	59,580
DeepSeek V4.1 Flash	71.15%	83,246

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Try Particle-1

Create a MiniRouter key and supply the relevant code with an explicit output cap. This route accepts text input.

Particle-1 · cURL

curl https://api.minirouter.sh/v1/chat/completions \
  -H "Authorization: Bearer $MINIROUTER_API_KEY" \
  -H 'Content-Type: application/json' \
  --data '{
    "model": "particle/particle-1",
    "max_tokens": 2048,
    "messages": [{ "role": "user", "content": "Review the supplied patch, identify missing tests and suggest a minimal fix." }]
  }'

Current pricing, peak-hour rates and API setup →

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Compare published results in the model rankings and coding benchmarks, or read more model releases.

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Sources

Particle-1 announcement
Published Oct 28, 2026
Read at Particle AI ↗
Particle model documentation
Published Oct 28, 2026
Read at Particle AI ↗

Editorial reference revised 2026-10-29. Catalog status comes from the generated routing snapshot.