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How I AI · Thursday, July 9, 2026

GPT 5.6 Achieves State-of-the-Art Performance on Benchmarks

GPT 5.6 has been evaluated as the brand new state-of-the-art model from OpenAI, achieving the highest performance on the "ultra mode" of the "How AI Vibe review benchmark" and "terminal bench 2.1". The speaker anticipates more evaluations in cybersecurity benchmarks as models become more advanced.

companyOpenAI

The tape

2 quotes
All I will say is it is the brand new state of the art model from Open AI. It is the highest performing when using the ultra mode on terminal bench 2.1.
And then they've also evaluted it against a couple cybersecurity benches. So I do think as we get these smarter models, you're gonna see a lot more eval in benchmarks around exploits and security.
Heard on How I AI — “GPT-5.6 Sol vs. Claude Fable: Why OpenAI’s new model crushes my benchmark, published Thursday, July 9, 2026. Heardvine summarizes and quotes with attribution and timestamps, and links to the original everywhere.
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