AI Tool Profile

OpenAI o1

OpenAI released the first o1 reasoning model preview, designed to spend more time on hard problems in science, coding, and math.

Company
OpenAI
Primary category
AI Research Tools
Best for
Researchers, developers, technical operators, and teams working on problems that benefit from deeper reasoning rather than fast chat alone.
Pricing
Available through eligible ChatGPT plans and OpenAI API access; pricing and limits are set by OpenAI plan and API pages.
Free plan
no
API
yes
Open source/open weight
no
Linked launches
1
Latest launch date
September 12, 2024
Last verified
2026-06-08

Verification & Sources

Status
Verified profile
Source links
1
Freshness
Needs recheck: verified June 8, 2026
Last verified
June 8, 2026
Last updated
June 7, 2026

Key source checks

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What It Does

OpenAI released the first o1 reasoning model preview, designed to spend more time on hard problems in science, coding, and math.

Launch History

AI Research Tools

Introducing OpenAI o1-preview

OpenAI released the first o1 reasoning model preview, designed to spend more time on hard problems in science, coding, and math.

Verified Free: No API: Yes Open: No
Clear use caseBeginner-friendlyBusiness-friendlyDeveloper-friendly
Kingy
7.2 / 10
Demo
Not scored yet
YouTube
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OpenAI released the first o1 reasoning-model preview, designed to spend more time on hard problems in science, coding, and math, with two system cards…