Claude Fable 5.1

Fable 5.1 and Astra working together beats each model on its own

Better than hitting straight walls with Anthropic's Opus 5 or Fable 5.1 under Claude Max 5x

Fable shouldn't be coding. It should be researching and planning.

Fable 5.1 is a token hog

Claude Fable 5.1 went 3 hours in loop earlier

They fixed the safeguards last week

Fable 5.1's release page says it's better at these perspectives of coding and per my experience, yes it is

Using Fable's story elements could definitely help with understanding programming concepts

for code reviews and raw coding, Fable 5.1 is just glorious to work with

I was switching between GPT-5.6 Sol and Fable 5.1 to check each other's work in Cursor. And the result was gradually driving me insane. As the models struggled to find a solution that would actually work, they dug themselves deeper into a h

SuperTuxKart is in the training data. Recreating existing software is not that impressive, nor a good benchmark.

I'm on like phase 60+ with multiple sub phases on mine but also I feel like I haven't really approached anything resembling "done" on my little hobby game.

Fable 5.1 has done MASSIVELY better in regards to usage consumption then 5.0 did

5.1 is very good at accomplishing tasks, but not as good at explaining how the task was accomplished, or complex topics in general, it's more terse

needs a fairly high level of human guidance

Mere mention of "reverse engineering" gets me kicked back to Opus.

It refused to answer anything about pickling for me. Always kicked me down to Opus which is comical.

if I ask it to paint with a shade of red, but it paints with a slightly different shade of red, that is a fucking effect on quality

The safety filter is simply no longer an issue.