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GPT-5.3-Codex

openai.com

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Re: GPT-5.3-Codex

#2

Post by minimaxir »

I remember when AI labs coordinated so they didn't push major announcements on the same day to avoid cannibalizing each other. Now we have AI labs pushing major announcements within 30 minutes.

Re: GPT-5.3-Codex

#3

Post by granzymes »

I think Anthropic rushed out the release before 10am this morning to avoid having to put in comparisons to GPT-5.3-codex!

The new Opus 4.6 scores 65.4 on Terminal-Bench 2.0, up from 64.7 from GPT-5.2-codex.

GPT-5.3-codex scores 77.3.

Re: GPT-5.3-Codex

#4

Post by crorella »

minimaxir wrote: post #2

I remember when AI labs coordinated so they didn't push major announcements on the same day to avoid cannibalizing each other. Now we have AI labs pushing major announcements within 30 minutes .

The thrill of competition

Re: GPT-5.3-Codex

#8

Post by __jl__ »

granzymes wrote: post #3

I think Anthropic rushed out the release before 10am this morning to avoid having to put in comparisons to GPT-5.3-codex! The new Opus 4.6 scores 65.4 on Terminal-Bench 2.0, up from 64.7 from GPT-5.2-codex. GPT-5.3-codex scores 77.3.

Impressive jump for GPT-5.3-codex and crazy to see two top coding models come out on the same day...
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