Do you have a source for this, or just rumors?The responses I get from pro don&#x27;t feel like ensembles. They are often very one directional.

I tried a pro model out the other day and thought there must have been a bug in Pi’s cost calculations. But no, it’s absolutely fucking insane. Wasn’t even any better at the task.

For pro mode the agents worked independently and only when they all finished did a new agent take a look at everything to merge the work into a single response. The new thing involves subagents that have been trained to cooperatively pursue a task and are allowed to communicate with each other along the way.

I imagine this is something like Anthropic&#x27;s dynamic workflows where a JS file is created to make a little AI harness on the spot

For context:&gt; Additionally, we’re introducing a new ultra mode that goes beyond the capabilities of a single agent by leveraging subagents to accelerate complex work.<a href="https:&#x2F;&#x2F;openai.com&#x2F;index&#x2F;previewing-gpt-5-6-sol&#x2F;" rel="nofollow">https:&#x2F;&#x2F;openai.com&#x2F;index&#x2F;previewing-gpt-5-6-sol&#x2F;</a>Can someone explain how this compares with Pro? I thought Pro was already something similar.

&quot;However, these inference optimizations, which rival Anthropic refers to as “compute multipliers,” are a big focus for all the labs. Anthropic CEO Dario Amodei has been publicly talking about the concept since at least mid-2023, when he said on a podcast that the company limits “the number of people who are aware of a given compute multiplier” because it could give other AI labs a leg up if they were to be able to replicate them. (Compute multipliers can also refer to efficiency optimizations in the model-training phase.)&quot;Yes, on a world with finite resources where your industry is singlehandedly siphoning ALL THE RESOURCES - hoard general efficiency optimizations and treat them as trade secrets - winning is all that matters, normal people and other species and the planet be damned.Everything I hear about Dario these days makes me like him less and less. He sure did seem to speed run the &#x27;tech leader with scruples&#x27; to &#x27;tech villain&#x27; path! I guess all the cycles are compressing as we approach the singularity..

Maybe cache similar answers from others. Surprised if this is not already being done.

What’s the technique? And did they buy it from thinking machines?

I wonder if it&#x27;s related that that OpenAI has found a way to cut inference costs by half, according to The Information.<a href="https:&#x2F;&#x2F;www.theinformation.com&#x2F;newsletters&#x2F;ai-agenda&#x2F;openai-discovers-new-way-cut-inference-costs-half" rel="nofollow">https:&#x2F;&#x2F;www.theinformation.com&#x2F;newsletters&#x2F;ai-agenda&#x2F;openai-...</a>

<a href="https:&#x2F;&#x2F;nitter.net&#x2F;thsottiaux&#x2F;status&#x2F;2073933490513752151" rel="nofollow">https:&#x2F;&#x2F;nitter.net&#x2F;thsottiaux&#x2F;status&#x2F;2073933490513752151</a>

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Is it as good as Fable..? Fable is the first model that mostly writes without the AI slop format for me, and so I can comfortably actually copy and paste most of what it spits out.OpenAI models have always been the worst in my experience for verbose, slop formatted responses, with each generation increasing in sloppiness.

I still don&#x27;t know why OpenAI doesn&#x27;t put gpt-5.5-pro in Codex. It&#x27;s one hell of a model and easily parallels Fable&#x2F;Mythos. Sure, it&#x27;ll use up your quota much faster but that&#x27;s the price some users are willing to pay for absolutely high quality responses.I think gpt-5.5-pro runs 12x parallel gpt-5.5 agents behind the scene and uses OpenAI&#x27;s secret sauce to synthesize their answers into one insanely good response.

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No Twitter, what’s he responding to?

This is why I don&#x27;t think Fable will be taken away. Not for long anyway.

I would assume yes - their goal is to capture consumer subscribers. Claude are going to take Fable away, and they&#x27;re going to swoop in and give it to us.

Will individual subscribers have access?

Related:Previewing GPT‑5.6 Sol: a next-generation model<a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=48689028">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=48689028</a>

GPT-5.6 Sol Ultra will be in Codex

OpenPrinter

Al Vigier: Canada's AI strategy shouldn't include secret Palantir bills

Has_not_been_viewed_much

Organic Maps

I&#x27;m making a platform for simple open source games you can play anywhere.Games are all just JavaScript classes and you can read the source of every game on the platform.I started working on initial &quot;games&quot; (mostly rendering tests) in 2018 and eventually built all of the platform stuff around it to make it easy to share games.There&#x27;s also an in-browser editor available for you to make and publish games all from the browser.Would love some feedback on the games and studio features as well as the platform overall. All of the code is available at <a href="https:&#x2F;&#x2F;github.com&#x2F;homegamesio" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;homegamesio</a>