Particle-1

Released
2026-10-28
Last refreshed
2026-10-29
Status
Researched today
ProprietaryCommercial use: restrictedMultimodalCodingRAGAgentsLong contextVisionJSON / Tool useCodingAgent
Particle AI releases · 1 in the last 12 monthsChangelog →
Specifications
Family
Particle
Released
2026-10-28
Context
1M
Max output
128K
Specialization
coding
Openness
Proprietary
License
ProprietaryRestricted
Weights
Not released
Code
Unknown
Training
Fine-tuned
Created by

Particle AI trains and serves Particle-1, a coding and software-engineering model post-trained on DeepSeek V4.1 Flash, t

Website
Pricing
Output / 1M
$1.00
Input / 1M
$0.250

Cheapest of 3 routes · Particle AI · cache read $0.030

About

Particle-1 is Particle AI's model for agentic coding and software engineering, post-trained on DeepSeek V4.1 Flash to finish tasks with fewer tokens. It takes text and images, supports reasoning and tool use, and has a 1,048,576-token context window with up to 131,072 output tokens. Available on the Particle API, OpenRouter and Vercel AI Gateway.

Providers(3)

Compare all 3

Compare API pricing across 3 tracked provider routes for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MCacheRoute
Particle AI$0.250$1.00read $0.030
Serverless
OpenRouter$0.250$1.00read $0.030
Serverless
Vercel AI Gateway$0.250$1.00read $0.030
Serverless

Capabilities

VisionMultimodalReasoningJSON / Tool usePrompt Caching

Benchmark peer barsfor Coding

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.

API versions

particle-ai/particle-1particle-1particle/particle-1