Live data from Hacker News

GPT-6 Astra

openai.com

171–180 of 1001 posts

Re: GPT-6 Astra

#172

Finally, OpenAI has a Fable/Mythos class model. 5.6 Sol felt like 5.5 on steroids, probably just a different checkpoint with a lot more RL post training. I wouldn't be surprised if there are some conceptual similarities to the kind of latent reasoning Anthropic sees in claude's J-space, although those aren't the same thing. Recurrent/looped transformers themselves aren't a new concept, but it's interesting to finally…

yeah i'm wondering the same way... especially in light of the 20x debacle (where we found that 20x of Max vs 5x only applies to the 5hr limit, not the weekly limit, whereas OpenAI's 20x actually is 20x overall).

Also Opus 5 has been really tough to work with. I can't understand half of what it says, it's just so damn obscure.

Re: GPT-6 Astra

#173

GPT 6 Astra benchmarks https://cdn.thenewstack.io/media/2026/09/358eb84a-screenshot... Performance is significantly higher than Fable 5.1 Source: https://thenewstack.io/openai-gpt6-astra-benchmarks/

any benchmark where opus 5 achieves higher scores than fable 5 in any way is not a benchmark worth trusting.

Why would Anthropic trust and use these tests in their official comparisons?

Re: GPT-6 Astra

#174
post #96

> GPT‑6 Astra is rolling out today to a limited set of organizations and over the coming days will become available to all ChatGPT Plus, Pro, Business, and Enterprise users, as well as through the OpenAI API and AWS. Not on Azure? If so, that's a big deal.

They broke up a while ago, why is this surprising?

Would be surprising if it's not on all 3 major clouds soon enough because that's been their general strategy since said break up

Re: GPT-6 Astra

#175

You should know: AA index is only 61. Pretty surprised it’s that low.

This is actually a really good thing imo. If they didn't care about benchmaxxing it means that they really know that what they have in hand is good.

Re: GPT-6 Astra

#177
post #96

> GPT‑6 Astra is rolling out today to a limited set of organizations and over the coming days will become available to all ChatGPT Plus, Pro, Business, and Enterprise users, as well as through the OpenAI API and AWS. Not on Azure? If so, that's a big deal.

They broke up a while ago, why is this surprising?

The latest OpenAI models have still been available via Azure foundry. Exclusivity to AWS would be a marked shift.

Re: GPT-6 Astra

#179
post #136

GPT 6 Astra benchmarks https://cdn.thenewstack.io/media/2026/09/358eb84a-screenshot... Performance is significantly higher than Fable 5.1 Source: https://thenewstack.io/openai-gpt6-astra-benchmarks/

> Performance is significantly higher than Fable 5.1 That's not clear. Need to see independent benchmarks first.

Artificial Analysis just published their aggregate score (61).

Still below Fable 5, let alone Fable 5.1.

EDIT: This is suspiciously low. Calls the relevance of existing benchmarks into question.

Post reply on HN