BREAKING
3 Frontier Models, One Build Task
No Single Winner Emerged
Grok 4.5
Fastest
●
Finished first
●
Best value
Fable 5
Quality
●
Best website
●
Polished output
GPT-5.6 Sol
Deep code
●
Hardest portions
●
Tight integration
SWE-Bench Pro Coding Scores
Fable 5
80.4
Grok 4.5
64.7
GPT-5.6
58.6
Output Price per 1M Tokens
Grok 4.5
6
GPT-5.6
30
Fable 5
50
0
tok/s
Grok 4.5 speed
0
models tested
0
M+
context tokens
Model Choice Is a Portfolio Call
AI NEWS BLITZ
A head-to-head test pitted Claude Fable 5, Grok 4.5 and GPT-5.6 on the same task.