All Models
o3 (Fast)
Deliberate o-series reasoner for hard math, coding, and multi-step analysis
Available Providers (1)
| Provider | Model ID | Input Cost | Output Cost | Context | Max Output | Docs |
|---|---|---|---|---|---|---|
 Vercel AI Gateway | openai/o3-fast | $3.50/MTok | $14/MTok | 200K | 100K |
Capabilities
Reasoning
Tool Calling
Attachments
Open Weights
Structured Output