GPT-5 pro API
About
Build advanced reasoning agents with GPT-5 pro, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $15.00/1M input and $120.00/1M output tokens, native tool calling support. Access GPT-5 pro via the Vercel AI Gateway API with up to 272K output tokens.
Capabilities
Input Modalities
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Output Modalities
text
Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
400K
Tokens
Input Limit
128K
Tokens
Max Output
272K
Tokens
Pricing
Standard (per 1M tokens)
Input
$15.00
Output
$120.00
Frequently Asked Questions
GPT-5 pro by Vercel AI Gateway costs $15.00 per 1M input tokens and $120.00 per 1M output tokens.
Model Details
ID
openai/gpt-5-pro
Provider
Vercel AI GatewayFamily
gpt-pro
Release Date
Oct 6, 2025
Knowledge Cutoff
Sep 30, 2024
API Integration