AI Tool Profile

OpenAI reasoning models

OpenAI released o3 and o4-mini, reasoning models designed to solve harder multi-step tasks and use tools such as web search, Python, file analysis, vision, and image generation.

Company
OpenAI
Primary category
AI Agents
Best for
Advanced ChatGPT users, developers, analysts, researchers, and operators who need stronger reasoning for coding, math, visual analysis, research, and tool-using tasks.
Pricing
Available across eligible ChatGPT and API surfaces with model-specific limits and usage-based API pricing documented by OpenAI.
Free plan
yes
API
yes
Open source/open weight
no
Linked launches
1
Latest launch date
April 16, 2025

Verification & Sources

Status
Verified profile
Source links
2
Freshness
Needs recheck: verified June 8, 2026
Last updated
June 7, 2026
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What It Does

OpenAI released o3 and o4-mini, reasoning models designed to solve harder multi-step tasks and use tools such as web search, Python, file analysis, vision, and image generation.

Launch History

AI Agents

Introducing OpenAI o3 and o4-mini

OpenAI released o3 and o4-mini, reasoning models designed to solve harder multi-step tasks and use tools such as web search, Python, file analysis, vision, and image generation.

Verified Free: Yes API: Yes Open: No
Clear use caseBusiness-friendlyDeveloper-friendlyTraction signal
Kingy
7.6 / 10
Demo
Not scored yet
YouTube
Not scored yet

OpenAI released o3 and o4-mini, reasoning models built to solve harder multi-step tasks while using tools like web search, Python, file analysis, vision, and…