OpenAI GPT-4o: The New Best AI Model in the World. Like in the Movies. For Free

Everything you need to know (so far)

Alberto Romero
7 min readMay 13, 2024

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OpenAI has delivered.

In just a brief 25-minute live event they’ve changed the landscape completely.

Here’s the image that best reflects why:

Sam Altman

The graph above is the Elo chart from the LMSys arena. See that number circled in red a foot above the rest? That’s the mysterious “im-also-a-good-gpt2-chatbot” model that’s been doing the rounds on Twitter.

It’s also the new OpenAI model: GPT-4o (“Omni”). As early users thought from interacting with the gpt2-chatbot models, it’s better than GPT-4. Well, way better. I bet no one thought it’d be 60 Elo points better than GPT-4 turbo, the previous best model in the world.¹

For comparison, look at the models from other companies — Gemini 1.5 Pro, Claude 3, and Llama 3–70B (4, 5, and 7 respectively) — all trying desperately to reach the performance level of a 1.5-year-old model (with recent updates but old nonetheless).

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