AssemblyAI Best is AssemblyAI's speech to text model. AssemblyAI's highest-accuracy audio transcription model, optimized for maximum speech recognition quality across diverse audio conditions.
Specifications
Canonical IDassemblyai-best
TypeSpeech to Text
StatusActive
CreatorAssemblyAIAssemblyAI
Providers
Input ModalitiesAudio
Output ModalitiesText

Capabilities

Input1/5
Text·
Image·
Audio✓
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Audio In
$ / sec
AssemblyAI logo
AssemblyAI
assemblyai/best
$0.000033

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
AssemblyAI Best————Current
AssemblyAI————Available

Model IDs

assemblyai-best
assemblyai/best