GPT-4o Realtime Preview API Pricing Calculator

Model Details

Released

Oct 1, 2024

Status

Deprecated(on May 07, 2026)

Context Length

128,000

Max Output

16,384

Superseded By

GPT Realtime 1.5

Where is GPT-4o Realtime Preview a perfect fit?

GPT-4o-Realtime-Preview is an early access, streaming-enabled multimodal model built for interactive, real-time AI conversations. It delivers rapid, continuous responses across text, vision, and audio inputs, ideal for latency-sensitive use cases.

Perfect Fit For:
- Real-time conversational AI and voice assistants
- Interactive customer support and sales tools
- Live educational, translation, or co-creation experiences
- AI-driven meetings or commentary platforms

Quick Model Estimate

Tokens Characters Words

Model

Provider

Modality

Service Tier

Context Size

Input Tokens

(USD 40.0000 per 1M tokens)

Output Tokens

(USD 80.0000 per 1M tokens)

No. of API Calls

Your GPT-4o Realtime Preview Cost Estimate

💰 Total Cost

—

for 1000 input + 1000 output tokens

📥 Input (1000 × $40.000000) —

📤 Output (1000 × $80.000000) —

Cost Breakdown

📥 Input 📤 Output

At the last price OpenAI charged, before it stopped on 7th May 2026. No longer on offer.

Estimate with GPT Realtime 1.5 →

Pricing

No provider we track currently offers GPT-4o Realtime Preview.

No longer offered by

The last prices each provider charged for GPT-4o Realtime Preview before it stopped offering it. These are no longer on offer. Each row links to that provider's price history.

Provider ↕	Ended ↕	Modality ↕	Service Tier ↕	Input Price (per 1M tokens) ↕	Output Price (per 1M tokens) ↕	Cached Input (per 1M tokens) ↕	Context Size ↕	View
OpenAI	7th May 2026Model retired	Audio	Standard	$40.0000	$80.0000	$2.5000	128,000 tokens	→
OpenAI	7th May 2026Model retired	Text	Standard	$5.0000	$20.0000	$2.5000	128,000 tokens	→

Recent changes

When GPT-4o Realtime Preview was newly listed on a provider, moved to legacy or deprecated, or retired.

7th May 2026 Retired
OpenAI retired GPT-4o Realtime Preview, with GPT Realtime 1.5 as the suggested replacement.

Legacy

Audio

FAQs about GPT-4o Realtime Preview

What is GPT-4o Realtime Preview's context window?

GPT-4o Realtime Preview has a context window of 128,000 tokens, and returns up to 16,384 tokens in a single response.

Is GPT-4o Realtime Preview still available?

GPT-4o Realtime Preview is deprecated and was retired on 7 May 2026. The replacement is GPT Realtime 1.5.