Projected Performance Deltas (5.1 vs 5.0)
Fable 5.0
Fable 5.1 Preview
+11.2%
Reasoning Coherence
-24.5%
Step Latency
+8.4%
Tool Call Accuracy
-31.0%
Hallucination Rate
Latency vs Reasoning Pareto Frontier
Fable 5.1 Dominates Frontier
Execution Trace & Divergence Log
12 Steps Executed