Can someone explain that, please?
this post was submitted on 12 Jul 2026
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Fable 5 spawning a herd of Codex 5.6 Sol to write metal shaders.
Fable is Anthropic's current flagship LLM model (Mythos) with safeguards/restrictions intended to prevent it from writing malware. Version 5 is the latest, released in June, briefly banned by the US Government, and then made available again on July 1.
Codex is OpenAI's coding-oriented interface for interacting with OpenAI's models. ChatGPT Sol is the most powerful flagship model, and version 5.4 released on July 9.
Metal is Apple's programming interface for Apple's GPUs, and is common to iPhone/iPad/Mac.
Shaders are program functions that set up tasks for a GPU to process visual output, like those that calculate how light interacts with colorful objects of varying reflectivity, or how a house should look when viewed through some fog, etc.
The original post describes what is now a relatively common workflow: tell Anthropic's most powerful model to manage some cheaper models to do specific tasks and put the output together into something that can be used. As the post shows, it doesn't always work. And when it fails, it can do so in a very expensive way.
it's a bot vibecoding with other bots (delegating slop production.)
Fable 5 is anthropics BSD model. It'll make "complex" plans and then sicc the lower tiered models on it to save money since its like 50 bucks minimum for an output from Fable 5. The OP is saying it looks cool like some matrix shit but none of it is working. Shaders in simple terms give something visual properties in new game engines.
Oh shit thanks for the context. I thought they were talking about the video game series.
I was wrong too lol read WolfLink's comment. Its GPU shaders and I guess Metal.is the language. I was a level too high. Thank WolfLink!
Shaders in simple terms give something visual properties in new game engines.
In this case they mean shaders as in programs written for GPUs, which is how all computer graphics is done on the low level. Specifically they mentioned Metal, which is Apple’s shader language so they are targeting iPhone or Mac.
Oof, I read that wrong but I guess it doesnt matter cause the agents dont know either.
You’re absolutely right!
Thank you. I was thinking about the video game somehow and didn't understand anything.
I was wrong, read WolfLink's comment. My bad. They explain it perfectly. I had the wrong shader cause I'm stoopid
I went the same way initially.
Could not fathom why any sane developer would use an LLM to generate shaders at runtime... but it was plausible enough that some idiot studio would try it.
What's BSD about Fable? Not the licence...
hmm maybe they tried to type just BS but got auto corrected?
5.6 Sol might be lower-tier but it's just as expensive
The delicious slop irony is that Claude Fable is burning OpenAI’s compute for agentic tasks instead of Anthropic
Some people just want to watch the world burn...
All AI just want to make the planet burn. (and it's working)
With these shaders it's just flickering