LLMilestonesA milestone timeline of AI and large language models

Act III · The ChatGPT moment

Closed modelOpenAI

GPT-4

A big jump in capability; it demonstrated image input and reached near-top human scores on many professional exams.

Top 10%on a simulated bar exam

Why it matters

For a long time, the model everyone was trying to catch.

Costs and controversy

The technical report disclosed almost nothing about architecture or training, fueling criticism that OpenAI was no longer open.

Built on

ChatGPT

Led to

GPT-4o

Source: arxiv.org ↗

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