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Particle AI

Particle AI: 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...

particle-1

Pricing

~1%
Input
$0.0495 / 1,000,000 tokens
Output
$0.495 / 1,000,000 tokens
Cache read
$0.00297 / 1,000,000 tokens
Cache write
$0.0495 / 1,000,000 tokens
How pricing works

Discount history

1%
Nov 7, 11:57 PMNov 8, 03:56 AM UTC

Model details

Input
text, image
Output
text
Context window
1,048,576 tokens
Maximum output
131,072 tokens
Availability
Uncapped capacity
Updated
11/8/2026, 3:58:06 AM UTC

Capacity is reserved when your request is accepted.

Capabilities

ChatStreamingVisionTool callingReasoningJSON mode

Supported parameters

frequency_penaltyinclude_reasoninglogprobsmax_tokensmin_ppresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p