GPT-4.5 Preview
GPT-4.5 Preview is a text model from 
OpenAI with a context window of 128K tokens and max output of 16K tokens.
Capabilities
✓ Vision✓ Function Calling✗ Reasoning✓ JSON Schema✓ System Messages✗ Web Search✓ Prompt Caching✗ Audio Input✗ Audio Output
Specifications
| Model Key | gpt-4.5-preview |
| Provider | OpenAI |
| Provider ID | openai |
| Mode | Text |
| Canonical Name | gpt-4.5 |
| Context Window | 128K tokens |
| Max Output | 16K tokens |
Pricing
| Type | Per 1K Tokens | Per 1M Tokens |
|---|---|---|
| Input Tokens | N/A | N/A |
| Output Tokens | N/A | N/A |
All Variants
All available versions, regions, and API endpoints for GPT-4.5 Preview.
Model Key | Provider | Mode | Input Price, $ | Output Price, $ | Context | Max Output | Vision | Functions |
|---|---|---|---|---|---|---|---|---|
| gpt-4.5-preview | OpenAI | Text | N/A | N/A | 128K | 16K | yes | yes |
| gpt-4.5-preview-2025-02-27 | OpenAI | Text | N/A | N/A | 128K | 16K | yes | yes |