TLDR AI · ENGINEERING & RESEARCH

EXPLORING OPENAI'S DEEP RESEARCH API MODEL O4-MINI-DEEP-RESEARCH

til.simonwillison.net4 min read

Summary from the TLDR AI newsletter

o4-mini-deep-research costs $2/$8 per million for input/output tokens. It is only available via the Responses API. OpenAI recommends running them using its background mode. This post takes a quick look at the model's abilities.