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GPT-6 Astra release and capabilities
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OpenAI released GPT-6 Astra, a frontier model capable of autonomous software engineering, research writing, and complex creative tasks with minimal human oversight. Early users report it can reliably complete weeks of human work when properly guided, and companies like Perplexity are deploying it for production system management and code changes.
- GPT-6 Astra Pro available in Max tier; users report it outperforms earlier models on research, writing, and software tasks
- Perplexity deploys Astra for end-to-end production systems including communications, software changes, and monitoring with reduced human check-ins
- Demonstrated capabilities include 3D VFX in Blender, generating running routes from addresses, building RPG games, and creating Fabergé egg 3D models
- Both Anthropic and OpenAI confirmed recursive self-improvement has been achieved, though described as early-stage
- ChatGPT Images 2.5 released with 50% lower generation latency and improved multi-turn editing over Images 2.0
[HN]hacker news34
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GPT-6 Astra does 3D camera tracking and VFX in Blender
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Show HN: Reviving my $15,000 browser arcade with Astra
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GPT-6 Astra is better at making money, more ethical than Claude Fable 5.1
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I Am an Anthropic Guy. GPT-6 Astra Made Me Resubscribe to Codex
OpenAI's GPT-6 Astra on ARC-AGI-3 Scored 99.95% with Provider Adapter Harness
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OpenAI boosts Astra's eval metrics, and continues to change others
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GPT-6 Astra is now out to all Plus, Business, Pro, and Enterprise users
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GPT-6 Astra Benchmark: Draw a Python Reading a Book
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Search agent beats GPT-6 Astra on benchmarks, just days after release
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GPT-6 Astra represents a step-function change in interactive reasoning
GPT-6 Astra makes major gains in the Artificial Analysis Coding Agent Index
GPT-6 Astra Achieves SOTA on ARC-AGI
OpenAI's GPT-6 Astra on ARC-AGI-3
GPT-6 Astra System Card [pdf]
GPT-6 Astra
[BLG]blog/rss13
Perplexity trusts GPT-6 Astra with end-to-end systems
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[BSKY]bluesky23
Having Fable 5.1 Max and GPT-6 Astra Pro argue with each other over proposed translations of the famously untranslated Minoan language Linear A.
There seems to be a persistent belief that frontier AI companies are unprofitable serving models but it appears that Anthropic has 80%+ gross margins on inference. Training for new models are where most of the costs are. www.ft.com/content…
I cannot emphasize enough how much GPT-6 Astra and Fable 5.1 are already enough for transformative impact in large sections of the economy. They can reliably do weeks worth of human work when properly guided & harnessed.
One of the downsides in AI getting so good is that it is getting harder to demonstrate its strengths and weaknesses at the frontier. Yes, Astra and Fable can research and write good papers in an academic field. No, they are not as good as …
This is pretty neat: ChatGPT Work and GPT-6 Astra (I used "Max") can take an address and produce a 5K/10K circular running route starting from that address, using OSM data simonwillison.net/2026/Sep/12/...
So here is Astra's attempt to make an Ultima-style RPG game using feedback from agents to improve, etc.
"For a while, I must admit, it looked as if software developer roles like mine were done for. [...] But our industry is slowly realizing that making truly cutting-edge software still requires humans to think and work together, to maximize …
This week brought some of the clearest statements we've heard from both Anthropic & OpenAI that some form of recursive self-improvement has been achieved, though it still sounds early
Here's a Blender model of a Pluribus themed Fabergé egg I had GPT-6 Astra build - I generated the concept image using ChatGPT Images 2.5, then pasted the image into Codex and told Astra to turn that into a Blender file
Another informal nerd benchmark that AIs had struggled with has been passed: Astra successfully designed a Magic the Gathering deck and then used it to defeat a bot on Arena.
Another neat one: I had GPT-6 Astra build a model of a famous never-built buildings, Boullée’s 1784 Centograph. There were only a few black and white sketches to work with, along with a description.
This impressed me: GPT-5.6 Astra turned Zork (the classic 1977 text adventure) into a full 3D playable action-adventure game
Got access to GPT-6 Astra. Want to see some pelicans? Yeah you want to see some pelicans... here's a grid comparing Astra to GPT-5.6 Sol, Terra, and Luna static.simonwillison.net/static/2026/...
Hey, Claude formalized Fermat's Last Theorem www.anthropic.com/research/for...
An interesting failure of Astra: I asked it to conduct original entrepreneurship research with whatever online datasets it could find, pre-registering its hypotheses. It churned out a lot of beautifully formatted, technically correct pape…
I occasionally get asked why I post so many visual things when new models come out. One reason is that nobody clicks any links so the visual stuff best communicates AI progress.
I was trying Astra at the time I wrote about the HuggingFace Incident, and it helped with context.
I gave GPT-6 Astra a very cool open single file ocean surface storm generator and asked it to build the rest of the ocean, including procedural simulations of animal behavior. Fun time to create.
The mental model for Fable and Astra class models is that you are delegating to a good outside team, not an intern.
An example of useful knowledge work: I assigned GPT-6 to read through tens of thousands of my emails, my writings, my calendar appointments and more to assemble a personal knowledge base of research, contacts, ideas, relationships, and tas…
One of the most subtle valuable things about Astra is that it maintains better theory-of-mind: you don't get nearly as many weird references in the final product to previous drafts or work you did during building, and there less drift as i…
I had early access, and a longer post is coming, but GPT-6 is stunning & is good enough that it actually does complex meaningful work for me autonomously for days.
Multiplayer AI, where many people in an organization can use AI together to accomplish goals, remains one of the biggest (non-technical) problems in using AI. Approaches tend to be pretty primitive and based around AI-as-a-person-in-your-g…