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-ai/particle-1

Context Size

1,048.576K

Input Price

37,500 pts/M2,306 Ks/M

Output Price

150,000 pts/M9,225 Ks/M

Architecture

Text

Image

Supported Parameters

frequency_penaltyinclude_reasoninglogprobsmax_tokensmin_ppresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p

Details

TokenizerOther

Max Completion131,072 tokens

Provider Context1,048.576K tokens

ModeratedNo

CreatedOct 28, 2026