GPT-4o Mini Audio Preview

o200k_base

Structural tokenization analysis engine. Optimized for GPT-4o Mini Audio Preview inputs. Calibrate context windows and compute precise API economics in real-time.

Context
128k
Type
LLM
Encoding
o 200k base
CH44
WORD9
ENCODINGo200k_base
// HAPPYTOKENIZER: WAITING FOR INPUT STREAM

Quick Answers

What is the GPT-4o Mini Audio Preview token limit?

GPT-4o Mini Audio Preview supports a 128,000 token context window. Paste your text above to see how much of that window your prompt fills.

What tokenizer does GPT-4o Mini Audio Preview use?

GPT-4o Mini Audio Preview uses OpenAI's o200k_base encoding. This page counts tokens with the vendor's real vocabulary, so the numbers match what the API sees.

How much does GPT-4o Mini Audio Preview cost per million tokens?

GPT-4o Mini Audio Preview costs $0.15 per million input tokens and $0.60 per million output tokens, with cached input at $0.00 per million.

Model Insights

Modalities
InTextImage
OutText
Supported Features
StreamingStructured OutputsFunction CallingWeb SearchPrompt CachingReasoning Tokens
Supported Endpoints
ResponsesBatch

Cost Manifest

Input / 1M$0.15
Output / 1M$0.60
Cached Write$0.00

* Rates are estimated based on OpenAI standard tier. Actual billing may vary based on batch processing and enterprise agreements.

// Technical Specifications

ARCHITECTURE ID
gpt-4o-mini-audio-preview
TOKEN ENCODING
o200k_base
MAX CONTEXT
128,000TOKENS