BREAKING
Arena Tests GPT-5.6 Sol vs Fable 5
Where Each Model Wins
GPT-5.6 Sol
OpenAI
●
Coherence and detail
●
Instruction-adherence
●
Token efficiency and speed
Claude Fable 5
Anthropic
●
Richness of world understanding
●
Creativity
●
Immersion
Agents' Last Exam Score
GPT-5.6 Sol
53.6
Claude Fable 5
40.5
0
Sol Coding Agent Index
0
pts
Sol lead on coding
0
Sol Intelligence Index
Worker vs Manager Framing
Sol: Worker
●
Speed and autonomy
●
Cost efficiency
●
Browser automation
Fable: Manager
●
Artistry and polish
●
Insight-rich
●
Struggles with complex tasks
Benchmarks Move Into Visuals
AI NEWS BLITZ
Arena has published a head-to-head 3D generation test between GPT-5.6 Sol and Claude Fable 5.