GPT Realtime Mini

o200k_base

Structural tokenization analysis engine. Optimized for GPT Realtime Mini 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 Realtime Mini token limit?

GPT Realtime Mini 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 Realtime Mini use?

GPT Realtime Mini 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 Realtime Mini cost per million tokens?

GPT Realtime Mini costs $0.60 per million input tokens and $2.40 per million output tokens, with cached input at $0.06 per million.

Model Insights

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

Cost Manifest

Input / 1M$0.60
Output / 1M$2.40
Cached Write$0.06

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

// Technical Specifications

ARCHITECTURE ID
gpt-realtime-mini
TOKEN ENCODING
o200k_base
MAX CONTEXT
128,000TOKENS