Fable 5 vs GPT-5.4 mini

Fable 5 vs GPT-5.4 mini compared on intelligence, speed, and cost. Try both models on Zo, the always-on AI computer that does real work for you.

Fable 5
Anthropic
vs
GPT-5.4 mini
OpenAI

Intelligence

Fable 5 is smarter
vs

Speed

GPT-5.4 mini is faster
Standard
vs

Cost

GPT-5.4 mini is cheaper
vs

How to read this

Intelligence comes from SWE-bench Verified, the coding benchmark used by the model picker. Speed means the model is fast enough for the picker threshold. Cost shows the relative tier across Zo models: green is cheaper, amber is pricier.

Model details

1M tokens
Context
400k tokens
Jan 2026
Knowledge
Aug 2025
Jun 2026
Released
Mar 2026
$10.00/1M
Input
$0.75/1M
$50.00/1M
Output
$4.50/1M

Both Fable 5 and GPT-5.4 mini are available on Zo Computer. Try them both to see which one works best for your use case.

Learn more about Fable 5Learn more about GPT-5.4 miniView all models on Zo
Fable 5 vs GPT-5.4 mini | Zo Computer