Context
128K
Max output
32K
Serving providers
1
Cheapest input
$4.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Pricing by serving provider
standard tier · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OpenAICheapest | $4.00 | $24.00 | 1 | |||||||||||||
| ||||||||||||||||
Price history
listed seller prices, input and output per 1M tokens Input Output
Price history is accruing. We record a point each day a listed seller price changes; the full backfill lands shortly.
Cost calculator
estimate your monthly spend on this model$2,720
estimated / month
Model IDs
copy the exact identifier for your platformgpt-realtime-2.1
Frequently asked questions
GPT Realtime 2.1 pricing, context and availabilityHow much does GPT Realtime 2.1 cost?
GPT Realtime 2.1 costs $4.00 per 1M input tokens from OpenAI, and $24.00 per 1M output tokens from OpenAI.
What is the context window of GPT Realtime 2.1?
GPT Realtime 2.1 accepts up to 128K tokens of context and can return up to 32K output tokens.
What can GPT Realtime 2.1 do?
GPT Realtime 2.1 supports tool use and audio input.
Other OpenAI models
compare pricing across the OpenAI lineup Listed prices from LiteLLM, OpenRouter and Vercel · last checked Jul 18, 2026
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