GPT Audio
o200k_base
Structural tokenization analysis engine. Optimized for GPT Audio 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 Audio token limit?
GPT Audio 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 Audio use?
GPT Audio 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 Audio cost per million tokens?
GPT Audio costs $2.50 per million input tokens and $10.00 per million output tokens, with cached input at $0.00 per million.
Model Insights
Modalities
InTextAudio
OutTextAudio
Supported Features
StreamingFunction Calling
Supported Endpoints
Responses
Cost Manifest
Input / 1M$2.50
Output / 1M$10.00
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-audio
- TOKEN ENCODING
- o200k_base
- MAX CONTEXT
- 128,000TOKENS