Sam Witteveen · 2026-10-01 · notable
Sam Witteveen — 'Gemini 4 Argon'
Sam Witteveen's 1 October 2026 video looks at Google's pre-announced Gemini 4 Argon, from its 1M-token single response and longer thinking to its cost per task against GPT-6 Astra.
Sam Witteveen walks through what Google changed in Gemini 4 Argon before it is open to the public.
What is it?
'Gemini 4 Argon' went up on Sam Witteveen's channel on 1 October 2026, a day after Google pre-announced the model. Witteveen says he cannot show the model's outputs yet because Gemini 4 Argon is not publicly released, so the video focuses on the changes Google made to get back into the top three frontier labs.
How does it work?
The chapters cover the 1M-token single response and how it compares with 64K and 128K output caps, what Argon is built for, its Artificial Analysis Intelligence Index score, longer thinking and generation speed. The second half looks at simpler agent harnesses, cost per task against GPT-6 Astra, and agentic benchmarks.
Why does it matter?
A million output tokens in one response changes how agent harnesses can be built, because a model can finish long work without being split into many calls. The walkthrough helps builders judge that before they can test the model themselves.
Who is it for?
developers building agents on frontier models