OpenAI · current

GPT-Realtime-2.1

GPT-Realtime-2.1 is attributed to OpenAI in the catalog. It accepts text, audio, and image input and produces text and audio output. Reported capabilities include reasoning and tool calling.

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Report an error Model and price history

Modalities

Lab provider token rates

$4 / $24

USD per 1M input / output tokens · OpenAI

Context

128K

Released

2026-07-06

Knowledge cutoff

Sep 30, 2024

Recent lab-operated provider offering. This is one offering, not an average; other providers, modalities, tiers, and fees may differ.

Where to use it

2 observed offerings · token prices in USD per million where available

Estimate your workload cost

OpenAI

gpt-realtime-2.1

current

Input

Output

$24

Cache

$0.40

Context

128K

Max output

32K

Reasoning: Yes
Tool calling: Yes
Structured output: No
Temperature: No

Recent price

Vercel AI Gateway

openai/gpt-realtime-2.1

current

Input

Output

$24

Cache

$0.40

Context

128K

Max output

32K

Reasoning: Yes
Tool calling: Yes
Structured output: Unknown
Temperature: Yes

Recent price

Limits and capabilities reflect each provider’s listed offering. Unknown means support was not reported.

Provider / API ID	Status	Context	Max output	Input	Output	Cache read	Reasoning	Tools	Structured	Temperature
OpenAI gpt-realtime-2.1	currentRecent price	128K	32K	$4	$24	$0.40	Yes	Yes	No	No
Vercel AI Gateway openai/gpt-realtime-2.1	currentRecent price	128K	32K	$4	$24	$0.40	Yes	Yes	Unknown	Yes

Capabilities and limits

Input: text, audio, image
Output: text, audio
Max output: 32K
Weights: Closed (source-reported)
Release: 2026-07-06
Knowledge cutoff: Sep 30, 2024
Family: gpt

Reasoning · Tool calling · Vision

Provider-specific limits and support can differ.

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Model and price history

Latest recorded change: source refresh · 2026-10-20

Model changes (1)

source refresh · 2026-10-20

{
  "before": {
    "model_type": null
  },
  "after": {
    "model_type": "realtime"
  }
}

Price history (80 observations)

Date	Provider	Input / output
2026-11-02	Vercel AI Gateway	$4 / $24
2026-11-02	OpenAI	$4 / $24
2026-11-01	Vercel AI Gateway	$4 / $24
2026-11-01	OpenAI	$4 / $24
2026-10-31	OpenAI	$4 / $24
2026-10-31	Vercel AI Gateway	$4 / $24
2026-10-30	Vercel AI Gateway	$4 / $24
2026-10-30	OpenAI	$4 / $24
2026-10-29	OpenAI	$4 / $24
2026-10-29	Vercel AI Gateway	$4 / $24
2026-10-28	OpenAI	$4 / $24
2026-10-28	Vercel AI Gateway	$4 / $24
2026-10-27	Vercel AI Gateway	$4 / $24
2026-10-27	OpenAI	$4 / $24
2026-10-27	OpenAI	$4 / $24
2026-10-27	Vercel AI Gateway	$4 / $24
2026-10-27	OpenAI	$4 / $24
2026-10-27	Vercel AI Gateway	$4 / $24
2026-10-27	OpenAI	$4 / $24
2026-10-27	Vercel AI Gateway	$4 / $24
2026-10-26	OpenAI	$4 / $24
2026-10-26	Vercel AI Gateway	$4 / $24
2026-10-25	OpenAI	$4 / $24
2026-10-25	Vercel AI Gateway	$4 / $24
2026-10-24	Vercel AI Gateway	$4 / $24
2026-10-24	OpenAI	$4 / $24
2026-10-24	OpenAI	$4 / $24
2026-10-24	Vercel AI Gateway	$4 / $24
2026-10-24	OpenAI	$4 / $24
2026-10-24	Vercel AI Gateway	$4 / $24
2026-10-23	OpenAI	$4 / $24
2026-10-23	Vercel AI Gateway	$4 / $24
2026-10-23	Vercel AI Gateway	$4 / $24
2026-10-23	OpenAI	$4 / $24
2026-10-23	OpenAI	$4 / $24
2026-10-23	Vercel AI Gateway	$4 / $24
2026-10-23	OpenAI	$4 / $24
2026-10-23	Vercel AI Gateway	$4 / $24
2026-10-23	Vercel AI Gateway	$4 / $24
2026-10-23	OpenAI	$4 / $24
2026-10-22	Vercel AI Gateway	$4 / $24
2026-10-22	OpenAI	$4 / $24
2026-10-21	OpenAI	$4 / $24
2026-10-21	Vercel AI Gateway	$4 / $24
2026-10-20	OpenAI	$4 / $24
2026-10-20	Vercel AI Gateway	$4 / $24
2026-10-19	Vercel AI Gateway	$4 / $24
2026-10-19	OpenAI	$4 / $24
2026-10-18	Vercel AI Gateway	$4 / $24
2026-10-18	OpenAI	$4 / $24
2026-10-17	OpenAI	$4 / $24
2026-10-17	Vercel AI Gateway	$4 / $24
2026-10-12	Vercel AI Gateway	$4 / $24
2026-10-12	OpenAI	$4 / $24
2026-10-12	OpenAI	$4 / $24
2026-10-12	Vercel AI Gateway	$4 / $24
2026-10-11	Vercel AI Gateway	$4 / $24
2026-10-11	OpenAI	$4 / $24
2026-10-10	Vercel AI Gateway	$4 / $24
2026-10-10	OpenAI	$4 / $24
2026-10-09	Vercel AI Gateway	$4 / $24
2026-10-09	OpenAI	$4 / $24
2026-10-09	Vercel AI Gateway	$4 / $24
2026-10-09	OpenAI	$4 / $24
2026-10-08	OpenAI	$4 / $24
2026-10-08	Vercel AI Gateway	$4 / $24
2026-10-07	OpenAI	$4 / $24
2026-10-07	Vercel AI Gateway	$4 / $24
2026-09-22	OpenAI	$4 / $24
2026-09-22	Vercel AI Gateway	$4 / $24
2026-09-21	OpenAI	$4 / $24
2026-09-21	Vercel AI Gateway	$4 / $24
2026-09-20	OpenAI	$4 / $24
2026-09-20	Vercel AI Gateway	$4 / $24
2026-09-19	Vercel AI Gateway	$4 / $24
2026-09-19	OpenAI	$4 / $24
2026-09-18	OpenAI	$4 / $24
2026-09-18	Vercel AI Gateway	$4 / $24
2026-09-17	Vercel AI Gateway	$4 / $24
2026-09-17	OpenAI	$4 / $24