The Zapier Blog

JULY 11, 2025

o1, o3, o4, and dozens of other specialized model versions released from OpenAI alone. For example, OpenAI has both the GPT family and the o-series family. This is how technical folks compare which models are the best at which tasks—and how we know if the latest OpenAI model can ace the LSAT. GPT-4, GPT-4.5,

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The Zapier Blog

JUNE 11, 2025

OpenAI is one of the worst offenders (or prolific innovators), and things aren't helped by how confusing all the OpenAI model names are. So, let's try to simplify things: consider this your complete guide to all of OpenAI's major models. mini, o3-pro, and GPT Image 1 are three of OpenAI's latest models.

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The Zapier Blog

JUNE 15, 2025

OpenAI's reasoning models are an attempt to fix that, by getting the AI to spend more time working through complex problems, rather than just running with the first idea it has. OpenAI's current reasoning models are o4-mini, o3-pro, and o3. Table of contents: What are OpenAI o3 and o4? So let's dig in.

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