GPT-4o Realtime Audio
GPT-4o Realtime Audio is OpenAI's language model, starting at $N/A / 1M input and $N/A / 1M output. The audio-modality endpoint of GPT-4o Realtime for streaming audio input and output in real-time sessions.
OpenAI's language model, starting at $N/A / 1M input and $N/A / 1M output. The audio-modality endpoint of GPT-4o Realtime for streaming audio input and output in real-time sessions.Capabilities
Input1/5
✓
·
·
·
·
Output1/5
✓
·
·
·
·
Capabilities0/13
·
·
·
·
·
·
·
·
·
·
·
·
·
Pricing by Provider
| Provider | Standard | ||
|---|---|---|---|
| Cache Read $ / 1M | Audio In $ / 1M | Audio Out $ / 1M | |
 Azure AI Foundry | $2.50 | $40.00 | $80.00 |
Regional pricing
Provider-specific pricing that varies by region.
Azure AI Foundry
13 regions
| Region | Standard | ||
|---|---|---|---|
| Cache Read $ / 1M | Audio In $ / 1M | Audio Out $ / 1M | |
| Global | |||
| Global | $2.50 | $40.00 | $80.00 |
| Europe | |||
| France Central (Paris)/ francecentral | $2.75 | $44.00 | $88.00 |
| Germany West Central (Frankfurt)/ germanywestcentral | $2.75 | $44.00 | $88.00 |
| Poland Central (Warsaw)/ polandcentral | $2.75 | $44.00 | $88.00 |
| Spain Central (Madrid)/ spaincentral | $2.75 | $44.00 | $88.00 |
| Sweden Central (Gävle)/ swedencentral | $2.75 | $48.40 | $96.80 |
| West Europe (Netherlands)/ westeurope | $2.75 | $44.00 | $88.00 |
| US | |||
| East US (Virginia)/ eastus | $2.75 | $44.00 | $88.00 |
| East US 2 (Virginia)/ eastus2 | $2.75 | $44.00 | $88.00 |
| North Central US (Illinois)/ northcentralus | $2.75 | $44.00 | $88.00 |
| South Central US (Texas)/ southcentralus | $2.75 | $44.00 | $88.00 |
| West US (California)/ westus | $2.75 | $44.00 | $88.00 |
| West US 3 (Phoenix)/ westus3 | $2.75 | $44.00 | $88.00 |
Cost Calculator
Preset:
Compares every provider & tier in USD
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GPT-5.1 Codex Max | 400K | $1.25 | $10.00 | Available | |
| GPT-5.1 | 410K | $1.25 | $10.00 | Available | |
| GPT-5.1 Chat | 128K | $1.25 | $10.00 | Available | |
| GPT-5.1 Codex | 400K | $1.25 | $10.00 | Available | |
| GPT-5 Mini Image | 400K | $2.50 | $2.00 | Available | |
| GPT-5 Image | 400K | $10.00 | $10.00 | Available | |
| GPT-5 Pro | 400K | $15.00 | $120.00 | Available | |
| GPT-5 Codex | 400K | $1.25 | $10.00 | Available | |
| GPT-5 | 410K | $1.25 | $10.00 | Available | |
| GPT-5 Chat | 128K | $1.25 | $10.00 | Available | |
| GPT-4o Realtime Audio | — | — | $0.000 | $0.000 | Current |