GPT-Realtime-2.1
GPT-Realtime-2.1 is a model from OpenAI, listed under Voice and realtime. It was released on Jul 6, 2026. Its headline price is $32.00 / 1M audio tokens. Prices as of Oct 22, 2026, from the provider's official pricing page.
- Headline price
- $32.00 / 1M audio tokens
- Context window
- 128k tokens
- Max output
- 32k
- Knowledge cutoff
- Sep 2024
Current prices
| Item | Price |
|---|---|
| Input (text) | $4.00 / 1M tokens |
| Output (text) | $24.00 / 1M tokens |
| Audio input (audio) | $32.00 / 1M audio tokens |
| Audio output (audio) | $64.00 / 1M audio tokens |
Checked against the provider page on Oct 22, 2026.
Price history
No price change recorded for this model yet.
How it compares
Show data
| Model | Value |
|---|---|
| Gemini 3.8 Live | $3.00 / 1M tokens |
| GPT-Realtime-2.1 Mini | $10.00 / 1M tokens |
| GPT-Realtime Mini | $10.00 / 1M tokens |
| GPT-Audio-1.5 | $32.00 / 1M tokens |
| GPT-Realtime-1.5 | $32.00 / 1M tokens |
| GPT-Realtime-2 | $32.00 / 1M tokens |
| GPT-Realtime | $32.00 / 1M tokens |
| GPT-Realtime-2.1 | $32.00 / 1M tokens |
Alternatives
Same category, closest price, other providers first.
More from OpenAI
| # | Model | Price | Released | Price change |
|---|---|---|---|---|
| 1 |
GPT-Live 1
OpenAI
|
$0.05 / minute | Sep 10, 2026 | |
| 2 |
GPT-Audio-1.5
OpenAI
|
$32.00 / 1M audio tokens | Feb 23, 2026 | |
| 3 |
GPT-Realtime-2.1 Mini
OpenAI
|
$10.00 / 1M audio tokens | No data | |
| 4 |
GPT-Realtime-Translate
OpenAI
|
$0.034 / minute | May 7, 2026 |
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Frequently asked questions
How much does GPT-Realtime-2.1 cost?
GPT-Realtime-2.1 is priced at audio input (audio) $32.00 / 1M tokens, audio output (audio) $64.00 / 1M tokens, input (text) $4.00 / 1M tokens, output (text) $24.00 / 1M tokens, according to OpenAI's published pricing (checked Oct 22, 2026).
What is the context window of GPT-Realtime-2.1?
GPT-Realtime-2.1 accepts up to 128k tokens per request. It can write up to 32k tokens in one response.
Is GPT-Realtime-2.1 still available?
Yes. GPT-Realtime-2.1 is generally available through the OpenAI API.
When was GPT-Realtime-2.1 released?
GPT-Realtime-2.1 was released in Jul 6, 2026.
What is the API model ID for GPT-Realtime-2.1?
Use gpt-realtime-2.1 when calling the OpenAI API.
What are the alternatives to GPT-Realtime-2.1?
Models in the same category at a similar price include GPT-Audio-1.5 (OpenAI), GPT-Realtime-2.1 Mini (OpenAI) and Gemini 3.8 Live (Google).