OpenAIGPT-Realtime-2.1 model ID, context window & pricing
gpt
Quick facts
Model ID gpt-realtime-2.1
Source OpenAI
Context Window 128000
Pricing $4.00 input / $24.00 output per 1M tokens
Capabilities tool calling, reasoning
Model overview
GPT-Realtime-2.1 is an AI model from OpenAI with 128000 token context window and text, audio, image input support.
Published pricing is $4.00 input and $24.00 output per 1M tokens.
- Workloads that use text, audio, image inputs with text, audio outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID gpt-realtime-2.1
Provider OpenAI
Family gpt
Status -
Knowledge Cutoff 2024-09-30
Release Date 2026-07-06
Input Modalities text, audio, image
Output Modalities text, audio
Context Window 128000
Input Limit 96000
Output Limit 32000
Tool Calling Yes
Reasoning Yes
Structured Output No
Temperature Control No
Open Weights No
Input Cost / 1M tokens $4.00
Output Cost / 1M tokens $24.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.40
Cache Write Cost / 1M tokens -