Whisper 1
o200k_base
Structural tokenization analysis engine. Optimized for Whisper 1 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 Whisper 1 token limit?
Whisper 1 supports a 128,000 token context window. Paste your text above to see how much of that window your prompt fills.
What tokenizer does Whisper 1 use?
Whisper 1 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 Whisper 1 cost per million tokens?
Whisper 1 costs $0.00 per million input tokens and $0.00 per million output tokens, with cached input at $0.00 per million.
Model Insights
Modalities
InAudio
OutText
Supported Features
Timestamps
Supported Endpoints
Transcriptions
Cost Manifest
Input / 1M$0.00
Output / 1M$0.00
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
- whisper-1
- TOKEN ENCODING
- o200k_base
- MAX CONTEXT
- 128,000TOKENS