OpenAI
GPT Realtime 2.1 Pricing, Specs & Alternatives
Text tokens shown. Audio is $32 in and $64 out per 1M tokens.
Get an email when GPT Realtime 2.1 changes its price or plans
Questions
How much does GPT Realtime 2.1 cost
GPT Realtime 2.1 lists $4 per 1M input tokens and $24 per 1M output tokens, checked Nov 9, 2026 on developers.openai.com.
When was GPT Realtime 2.1 released
Jul 6, 2026, per developers.openai.com.
What is the GPT Realtime 2.1 context window
128,000 tokens, per developers.openai.com, read Nov 9, 2026.
Who makes GPT Realtime 2.1
OpenAI.
What are alternatives to GPT Realtime 2.1
GPT Realtime 2.1 Mini.
Head to head
All comparisons- GPT Realtime 2.1 vs GPT Realtime 2.1 Mini: GPT Realtime 2.1 $4 / $24 vs GPT Realtime 2.1 Mini $0.60 / $2.40 per 1M tokens in / out.