Auto Router
by OpenRoutertext+image+file+audio+video->text+image
Overview
Auto is OpenRouter’s flagship model router, built for general-purpose usage. It adapts to each request, choosing cost-optimal models and adjusting reasoning effort. It balances task difficulty, benchmark results, live prices,...
Capabilities
Text generation
Image understanding
Image generation
Audio processing
Video understanding
Tool use / Function calling
Structured output
Extended reasoning
Long context
File input
Top-P sampling
Stop sequences
Deterministic seed
Log probabilities
Modalities
Input
TextImageAudioFileVideo
Output
TextImage
Technical Specifications
Context Window
2M tokens
Tokenizer
Router
Supported Parameters
frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppredictionpresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_atop_ktop_logprobstop_pweb_search_options