GPT-realtime-1.5
GPT-realtime-1.5 is a text model from 
OpenAI with a context window of 32K tokens and max output of 4K tokens. Pricing starts at 4.00 per million input tokens and 16.00 per million output tokens (cheapest at Azure OpenAI).
Capabilities
✗ Vision✓ Function Calling✗ Reasoning✗ JSON Schema✓ System Messages✗ Web Search✗ Prompt Caching✓ Audio Input✓ Audio Output
Specifications
| Model Key | gpt-realtime-1.5 |
| Provider | OpenAI |
| Provider ID | openai |
| Mode | Text |
| Canonical Name | gpt-realtime-1.5 |
| Context Window | 32K tokens |
| Max Output | 4K tokens |
Pricing
| Type | Per 1K Tokens | Per 1M Tokens |
|---|---|---|
| Input Tokens | 0.0040 | 4.00 |
| Output Tokens | 0.016 | 16.00 |
| Cache Read (Input) | 0.000400 | 0.400 |
Benchmarks
No benchmark data is available for this model.
Price Comparison by Provider
Compare prices for GPT-realtime-1.5 across different providers. The same model may be available through multiple providers at different price points.
Provider | Model Key | Input Price, $ | Output Price, $ |
|---|---|---|---|
| OpenAI | gpt-realtime-1.5 | 4.00 | 16.00 |
 Azure OpenAI | azure/gpt-realtime-1.5-2026-02-23 | 4.00 | 16.00 |
All Variants
All available versions, regions, and API endpoints for GPT-realtime-1.5.
Model Key | Provider | Mode | Input Price, $ | Output Price, $ | Context | Max Output | Vision | Functions |
|---|---|---|---|---|---|---|---|---|
| azure/gpt-realtime-1.5-2026-02-23 | Azure OpenAI | Text | 4.00 | 16.00 | 32K | 4K | no | yes |
| gpt-realtime-1.5 | OpenAI | Text | 4.00 | 16.00 | 32K | 4K | no | yes |