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GPT-5.6 Sol (xhigh) leads AI coding in 2026 with Coding Index 78.3. GPT-5.6 Sol max (77.4), high (77.2), Terra max (76.7), Claude Fable 5 (76.5), GPT-5.5 (74.9), Opus 4.8 (74.3) compared. LiveCodeBench, TerminalBench, SWE-bench, and speed — for code generation, debugging, refactoring. Free.
Claude Fable 5 leads AI writing in 2026 — Intelligence Index 59.9 ($10/$50). GPT-5.6 Sol max (II 58.9), GPT-5.6 Sol xhigh (57.7), Kimi K3 (57.1) compared for creative writing, copywriting, and technical writing. Ranked by language quality, IFBench, MMLU-Pro. Free.
GPT-5.2 (xhigh) leads AI data analysis in 2026 — Math Index 99, AIME 2025 99%. GPT-5 Codex (high) 98.7, Gemini 3 Flash Preview (Reasoning) 97 compared. Live ranking of 500+ models by Math Index, GPQA Diamond, AIME, and SciCode accuracy. Free.
Claude Opus 5 (Max, II 60.7, $5/$25) leads AI chatbots in 2026. Claude Opus 5 (Xhigh, II 60.1), Claude Fable 5 (II 59.9, HLE 53.3% #1, $10/$50), Claude Opus 4.8 (II 55.7) compared. Ranked by response quality, TTFT latency, cost, throughput. GPT-5.6 Sol max, Gemini 3 Pro included. Free live data.
Claude Fable 5 leads HLE (Humanity's Last Exam) in 2026 at 53.3%. Claude Opus 5 Max leads Intelligence Index at 60.7 (Xhigh 60.1, Fable 5 59.9). GPT-5.6 Sol max (HLE 47.2%, GPQA 94.1% co-leader), Claude Opus 4.8 (HLE 45.7%) compared. Ranked by GPQA Diamond, AIME, MATH-500, HLE. Free.
Fastest AI models ranked live by tokens/sec, TTFT latency, throughput. Celeris-1 leads raw speed at 2,121 tok/s (II 11.8); Mercury 2 fastest smart model at 891 tok/s (II 21.4); HyperNova 60B 2605 (417), Step 3.7 Flash (407, II 30.3), LFM2.5-VL-1.6B (386). Real-time rankings for 500+ models — Mercury 2, GPT-5.6, Claude Opus 5, Gemini 3, DeepSeek. Free.