AI ModelsClaudeGPT-5.5Microsoft MAIBenchmarksDeveloper ToolsClaude Fable 5 vs GPT-5.5 vs MAI-Thinking-1: Best AI Model June 2026Claude Fable 5 hits 95% SWE-bench Verified. MAI-Thinking-1 scores 97% AIME. GPT-5.5 leads on analysis. Full developer benchmark comparison for June 2026.June 23, 2026·11 min read