All Models

GPT-5 (Fast)

gpt Reasoning Tool Calling Attachments Structured Output

Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows

Providers 1
Released Aug 7, 2025
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Vercel AI Gateway openai/gpt-5-fast $2.50/MTok $20/MTok 400K 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output