o-4-mini

Where Is Deep Research in ChatGPT? A professional overview
Dec 2, 2025
o-3-deep-research
o-4-mini-deep-research
open-ai

Where Is Deep Research in ChatGPT? A professional overview

Over 2024–2025 ChatGPT and its sibling models shifted from being purely conversational LLMs to offering end-to-end deep research capabilities:
ChatGPT Plus: Price, available models changed in 2025
Dec 2, 2025
gpt-4-5
gpt-4-o
gpt-5
o-3
o-4-mini

ChatGPT Plus: Price, available models changed in 2025

In a fast-moving AI landscape, the dollar figure attached to a subscription can feel both simple and complicated. At face value, ChatGPT Plus remains a
O4-Mini-Deep-Research API
Dec 1, 2025
o-4-mini-deep-research

O4-Mini-Deep-Research API

O4-Mini-Deep-Research is OpenAI’s latest agentic reasoning model, combining the lightweight o4-mini backbone with the advanced Deep Research framework. Designed to deliver fast, cost-efficient deep information synthesis, it enables developers and researchers to perform automated web searches, data analysis, and chain-of-thought reasoning within a single API call.
Which GPT Model Excels at Mathematical Problem-Solving?
Dec 4, 2025
chat-gpt
o-4-mini

Which GPT Model Excels at Mathematical Problem-Solving?

With multiple generations of GPT models and reasoning-focused “o‑series” models released by OpenAI and competitors, practitioners must decide which model best suits their mathematical needs.
What is o4-mini-high? All You Need to Know
Jul 2, 2025
o-4-mini
open-ai

What is o4-mini-high? All You Need to Know

OpenAI’s o4-mini-high is a variant of the o4-mini model family, introduced on April 16, 2025, as part of OpenAI’s “o-series” of reasoning models. While
OpenAI Launches Deep Research API and Adds Web Search to o3, o3-Pro, and o4-Mini Models
Jun 27, 2025
o-3
o-3-pro
o-4-mini
open-ai

OpenAI Launches Deep Research API and Adds Web Search to o3, o3-Pro, and o4-Mini Models

On June 27, 2025, OpenAI officially opened API access to its Deep Research capabilities—empowering developers to automate complex, multi-step research
Which ChatGPT Model Is Best? (As of May 2025)
Jun 3, 2025
chat-gpt
gpt-4-5
gpt-4-1
o-1-preview
o-3
o-4-mini
open-ai

Which ChatGPT Model Is Best? (As of May 2025)

ChatGPT has seen rapid evolution in 2024 and 2025, with multiple model iterations optimized for reasoning, multimodal inputs, and specialized tasks. As
2025 ChatGPT Plus, Pro, Team Version Guide: Usage Limits, Prices & Selection
Sep 15, 2025
o-3
o-4-mini
open-ai

2025 ChatGPT Plus, Pro, Team Version Guide: Usage Limits, Prices & Selection

OpenAI’s ChatGPT now offers several subscription tiers—Free, Plus, Pro, and Team—each unlocking different AI models, features, and usage limits. This guide