Compare gpt-realtime-2.1 with other models

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Models

gpt-realtime-2.1

openai

Context Length

128K

Max Output

32K

Input Cost

$4.00/M

Output Cost

$24.00/M

Mode

Realtime

Max Input Tokens

128K

Max Tokens

32K

Supported Endpoints

/v1/realtime

Provider

OpenAI

Tool Choice

Yes

Parallel Function Calling

Yes

System Messages

Yes

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Comparison Insights

Comprehensive analysis based on the latest model metadata from the comparison table above.

What should I know about gpt-realtime-2.1?

Overview

gpt-realtime-2.1 is a realtime model provided by OpenAI.
With a context window of 128K tokens, this model can handle substantial inputs such as detailed documents or extended conversation histories.

Pricing

Input processing costs $4.00 per million tokens.
Output generation costs $24.00 per million tokens.
Image input processing is priced at $0.0000 per image.

Output Capabilities

The model can generate up to 32K tokens in a single response.

Availability

Available through the following endpoints: /v1/realtime.

What capabilities does gpt-realtime-2.1 support?

Supports function calling, enabling integration with external tools and APIs for extended functionality.
Accepts audio input, allowing for voice-based interactions and audio processing.
Generates audio output for text-to-speech and voice response applications.
Allows explicit tool selection, giving developers fine-grained control over function execution.
Enables parallel function calling to execute multiple operations simultaneously for improved efficiency.
Supports system messages for customizing model behavior and setting operational parameters.

gpt-realtime-2.1 Pricing Overview

At $4.00 per 1M input tokens and $24.00 per 1M output tokens, gpt-realtime-2.1 ranks 17 out of 28 realtime models by input cost. It is competitively priced compared to the median of $4.00 for realtime models, and is cheaper than 36% of models in this category.