GPT-4o Search

OpenAI

GPT-4o Search is a specialized model for web search in Chat Completions. It is trained to understand and execute web search queries.

Try Now

Technical Specifications

Context Window

128,000 tokens

Max Output

16,384 tokens

Pricing

Token Costs (per 1M tokens)

Cache Miss Input

$2.50

Non-Reasoning Output

$10

Legacy

Made legacy on

Reason

Preview search model with no tool support; use web search tool instead

Recommended Replacement

GPT-5.5