Saturday, July 11, 2026 · No. 349Prices synced 2 hours ago
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The AI Model Price Index

GPT-Realtime-2.1

by OpenAI · family gpt · listed Jul 2026RTV

Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior

Current rates USD per 1M tokens

Input$4.00
Output$24.00
Cache read$0.40
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 FlashDeepSeek V4 Flash: $0.14 per 1M tokens$0.14Qwen3.7 PlusQwen3.7 Plus: $0.50 per 1M tokens$0.50Gemini 3.5 FlashGemini 3.5 Flash: $1.50 per 1M tokens$1.50Mistral Medium (latest)Mistral Medium (latest): $1.50 per 1M tokens$1.50Claude Sonnet 5Claude Sonnet 5: $2.00 per 1M tokens$2.00Grok 4.5Grok 4.5: $2.00 per 1M tokens$2.00GPT-Realtime-2.1GPT-Realtime-2.1: $4.00 per 1M tokens$4.00GPT-5.6GPT-5.6: $5.00 per 1M tokens$5.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 FlashDeepSeek V4 Flash: $0.28 per 1M tokens$0.28Qwen3.7 PlusQwen3.7 Plus: $3.00 per 1M tokens$3.00Grok 4.5Grok 4.5: $6.00 per 1M tokens$6.00Mistral Medium (latest)Mistral Medium (latest): $7.50 per 1M tokens$7.50Gemini 3.5 FlashGemini 3.5 Flash: $9.00 per 1M tokens$9.00Claude Sonnet 5Claude Sonnet 5: $10.00 per 1M tokens$10.00GPT-Realtime-2.1GPT-Realtime-2.1: $24.00 per 1M tokens$24.00GPT-5.6GPT-5.6: $30.00 per 1M tokens$30.00

On the record

Model id
gpt-realtime-2.1
Context window
128K tokens
Max output
32K tokens
Input modalities
text, audio, image
Output modalities
text, audio
Reasoning
yes
Tool calls
yes
Open weights
no
Knowledge cutoff
Sep 2024
Released
2026-07-06
Last updated
2026-07-06
Provider docs
platform.openai.com/docs/models

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