OpenAI

GPT-Realtime-2.1 — Benchmark Scores, Pricing & Performance Analysis

Input Cost
$4.0/1M
Output Cost
$24.0/1M
Context Window
128K
Max Output
32K
Knowledge Cutoff
Sept 2024
Accepts
text, audio, image

GPT-Realtime-2.1 is an AI model by OpenAI. View detailed benchmark scores, pricing data, and performance metrics on Serenities AI Models.

Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.

Cost Benchmarks

Input Cost
$4.0383rd of 413

Cost per 1M input tokens

OpenRouter API
Output Cost
$24.0386th of 413

Cost per 1M output tokens

OpenRouter API

Context Benchmarks

Context Length
128K267th of 451

Maximum context window size

OpenRouter API

Available from 2 providers

The same model costs different amounts depending on who serves it. You can bring your own key for 2 of these — connect it here.

ProviderInput / 1MOutput / 1MCached inContextYour key
OpenAI$4$24$0.4128KSupported
Vercel AI Gateway$4$24$0.4128KSupported

GPT-Realtime-2.1 — Frequently Asked Questions

How much does GPT-Realtime-2.1 cost?

GPT-Realtime-2.1 costs $4.0 per 1M input tokens and $24.0 per 1M output tokens. This is mid-range pricing for its capability level.

What is the context window of GPT-Realtime-2.1?

GPT-Realtime-2.1 has a context window of 128K tokens. This determines how much text, conversation history, and code the model can process in a single request.

Who created GPT-Realtime-2.1?

GPT-Realtime-2.1 was created by OpenAI. It is classified as a mid model in our catalogue.

Is GPT-Realtime-2.1 open source?

No, GPT-Realtime-2.1 is a proprietary model. It is available through OpenAI's API and compatible providers.