1 Claude Fable 5.1 Closed Anthropic · Claude 83.4% Official board reasoning_effort max release 2026-06-25 leader 25 Jun 2026 livebench.ai T2 History 2 Claude Fable 5 Closed Anthropic · Claude 83.0% Official board reasoning_effort xhigh release 2026-06-25 Partially comparable -0.44 pt 25 Jun 2026 livebench.ai T2 History 3 gpt-6-astra Closed OpenAI · GPT 6 82.2% Official board release 2026-06-25 Partially comparable -1.25 pt 25 Jun 2026 livebench.ai T2 History 4 Muse Spark 1.3 Closed Meta AI 81.6% Official board reasoning_effort xhigh release 2026-06-25 Partially comparable -1.83 pt 25 Jun 2026 livebench.ai T2 History 5 DeepSeek-V4.1-Flash Open weights DeepSeek · DeepSeek 81.1% Official board release 2026-06-25 Partially comparable -2.30 pt 25 Jun 2026 livebench.ai T2 History 6 gpt-5.6-sol Closed OpenAI · GPT 5.6 81.1% Official board release 2026-06-25 Partially comparable -2.36 pt 25 Jun 2026 livebench.ai T2 History 7 gpt-5.5 Closed OpenAI · GPT 5.5 80.2% Official board release 2026-06-25 Partially comparable -3.23 pt 25 Jun 2026 livebench.ai T2 History 8 Claude Opus 5 Closed Anthropic · Claude 80.1% Official board reasoning_effort max release 2026-06-25 Comparable -3.33 pt 25 Jun 2026 livebench.ai T2 History 9 Smaug Agentic 79.5% Official board release 2026-06-25 Partially comparable -3.91 pt 25 Jun 2026 livebench.ai T2 History 10 Kimi K3 Open weights Moonshot AI · Kimi 79.2% Official board release 2026-06-25 Partially comparable -4.22 pt 25 Jun 2026 livebench.ai T2 History 11 Gemini 3.7 Flash Closed Google · Gemini 3.7 78.8% Official board release 2026-06-25 Partially comparable -4.59 pt 25 Jun 2026 livebench.ai T2 History 12 Qwen 3.8 Max Closed Qwen · Qwen3.8 78.5% Official board release 2026-06-25 Partially comparable -4.95 pt 25 Jun 2026 livebench.ai T2 History 13 Grok 4.6 Closed xAI · Grok 78.0% Official board release 2026-06-25 Partially comparable -5.37 pt 25 Jun 2026 livebench.ai T2 History 14 gpt-5.4 Closed OpenAI · GPT 5.4 78.0% Official board release 2026-06-25 Partially comparable -5.44 pt 25 Jun 2026 livebench.ai T2 History 15 Muse Spark 1.2 Closed Meta AI 78.0% Official board release 2026-06-25 Partially comparable -5.46 pt 25 Jun 2026 livebench.ai T2 History 16 gpt-5.6-terra Closed OpenAI · GPT 5.6 77.9% Official board release 2026-06-25 Partially comparable -5.48 pt 25 Jun 2026 livebench.ai T2 History 17 DeepSeek-V4-Pro-0813 Open weights DeepSeek · DeepSeek 77.4% Official board release 2026-06-25 Partially comparable -5.98 pt 25 Jun 2026 livebench.ai T2 History 18 Smaug Flash 77.4% Official board release 2026-06-25 Partially comparable -5.98 pt 25 Jun 2026 livebench.ai T2 History 19 Gemini 3.1 Pro Preview Closed Google · Gemini 3.1 77.0% Official board reasoning_effort high release 2026-06-25 Partially comparable -6.46 pt 25 Jun 2026 livebench.ai T2 History 20 Smaug Mini 76.9% Official board release 2026-06-25 Partially comparable -6.48 pt 25 Jun 2026 livebench.ai T2 History 21 DeepSeek V4 Flash Vision Exp Open weights DeepSeek · DeepSeek-V4 76.8% Official board release 2026-06-25 Partially comparable -6.66 pt 25 Jun 2026 livebench.ai T2 History 22 Claude Opus 4.7 Closed Anthropic · Claude 76.5% Official board reasoning_effort xhigh release 2026-06-25 Partially comparable -6.89 pt 25 Jun 2026 livebench.ai T2 History 23 Claude Opus 4.8 Closed Anthropic · Claude 76.2% Official board reasoning on reasoning_effort max release 2026-06-25 Partially comparable -7.19 pt 25 Jun 2026 livebench.ai T2 History 24 Qwen3.8 Flash Open weights Qwen · Qwen3.8 76.2% Official board release 2026-06-25 Partially comparable -7.22 pt 25 Jun 2026 livebench.ai T2 History 25 GLM 5.3 Open weights Z.ai (Zhipu AI) · GLM5.3 76.1% Official board release 2026-06-25 Partially comparable -7.28 pt 25 Jun 2026 livebench.ai T2 History 26 Claude Sonnet 5 Closed Anthropic · Claude 76.0% Official board reasoning_effort xhigh release 2026-06-25 Partially comparable -7.37 pt 25 Jun 2026 livebench.ai T2 History 27 Gemini 3.8 Flash Closed Google · Gemini 3.8 75.8% Official board release 2026-06-25 Partially comparable -7.59 pt 25 Jun 2026 livebench.ai T2 History 28 Grok 4.5 Closed xAI · Grok 75.8% Official board release 2026-06-25 Partially comparable -7.64 pt 25 Jun 2026 livebench.ai T2 History 29 Muse Spark 1.1 Closed Meta AI 75.3% Official board release 2026-06-25 Partially comparable -8.11 pt 25 Jun 2026 livebench.ai T2 History 30 Qwen3.8 27B Open weights Qwen · Qwen3.8 75.3% Official board reasoning off release 2026-06-25 Partially comparable -8.14 pt 25 Jun 2026 livebench.ai T2 History 31 Gemini 3.5 Flash Closed Google · Gemini 3.5 74.6% Official board reasoning_effort high release 2026-06-25 Partially comparable -8.78 pt 25 Jun 2026 livebench.ai T2 History 32 gpt-5.2 Closed OpenAI · GPT 5.2 74.6% Official board reasoning_effort high release 2026-06-25 Partially comparable -8.78 pt 25 Jun 2026 livebench.ai T2 History 33 Claude Opus 4.6 Closed Anthropic · Claude 74.5% Official board reasoning on reasoning_effort high release 2026-06-25 Partially comparable -8.89 pt 25 Jun 2026 livebench.ai T2 History 34 DeepSeek V4 Flash (0731) Open weights DeepSeek · DeepSeek 74.2% Official board release 2026-06-25 Partially comparable -9.24 pt 25 Jun 2026 livebench.ai T2 History 35 GPT-5.2-Codex Closed OpenAI · GPT 5.2 74.0% Official board release 2026-06-25 Partially comparable -9.44 pt 25 Jun 2026 livebench.ai T2 History 36 Gemini 3.6 Flash Closed Google · Gemini 3.6 73.6% Official board reasoning_effort high release 2026-06-25 Partially comparable -9.83 pt 25 Jun 2026 livebench.ai T2 History 37 gpt-5.6-luna Closed OpenAI · GPT 5.6 73.6% Official board release 2026-06-25 Partially comparable -9.86 pt 25 Jun 2026 livebench.ai T2 History 38 Z.ai GLM 5.2 Open weights Z.ai (Zhipu AI) · GLM5.2 73.2% Official board release 2026-06-25 Partially comparable -10.3 pt 25 Jun 2026 livebench.ai T2 History 39 Qwen3.7 Max Closed Qwen · Qwen3.7 73.1% Official board release 2026-06-25 Partially comparable -10.3 pt 25 Jun 2026 livebench.ai T2 History 40 claude-sonnet-4-6-thinking-auto-medium-effort · Claude 73.0% Official board release 2026-06-25 Partially comparable -10.4 pt 25 Jun 2026 livebench.ai T2 History 41 Claude Opus 4.5 Closed Anthropic · Claude 72.6% Official board reasoning on reasoning_effort high thinking_budget 64k release 2026-06-25 Partially comparable -10.8 pt 25 Jun 2026 livebench.ai T2 History 42 Inkling Open weights Thinking Machines 71.9% Official board reasoning_effort xhigh release 2026-06-25 Partially comparable -11.5 pt 25 Jun 2026 livebench.ai T2 History 43 GLM 5.3 Flash Open weights Z.ai (Zhipu AI) · GLM5.3 71.6% Official board release 2026-06-25 Partially comparable -11.8 pt 25 Jun 2026 livebench.ai T2 History 44 deepseek-v4-pro Closed DeepSeek · V4 71.6% Official board release 2026-06-25 Partially comparable -11.8 pt 25 Jun 2026 livebench.ai T2 History 45 Kimi K2.6 Open weights Moonshot AI · Kimi 70.5% Official board reasoning on release 2026-06-25 Partially comparable -12.9 pt 25 Jun 2026 livebench.ai T2 History 46 gpt-5.4-nano Closed OpenAI · GPT 5.4 69.6% Official board release 2026-06-25 Partially comparable -13.8 pt 25 Jun 2026 livebench.ai T2 History 47 ox-alpha-max 69.2% Official board release 2026-06-25 Partially comparable -14.2 pt 25 Jun 2026 livebench.ai T2 History 48 Qwen3.6 Plus Closed Qwen · Qwen3.6 68.9% Official board release 2026-06-25 Partially comparable -14.5 pt 25 Jun 2026 livebench.ai T2 History 49 Kimi K2.7 Code Open weights Moonshot AI · Kimi 68.4% Official board release 2026-06-25 Partially comparable -15.0 pt 25 Jun 2026 livebench.ai T2 History 50 Grok Build 0.1 Closed xAI · Grok 67.8% Official board release 2026-06-25 Partially comparable -15.6 pt 25 Jun 2026 livebench.ai T2 History 51 Nemotron 3 Ultra Open weights NVIDIA · Nemotron 3 67.4% Official board release 2026-06-25 Partially comparable -16.1 pt 25 Jun 2026 livebench.ai T2 History 52 MiniMax-M3 Open weights MiniMax · MiniMax 67.3% Official board release 2026-06-25 Partially comparable -16.2 pt 25 Jun 2026 livebench.ai T2 History 53 gpt-5.4-mini Closed OpenAI · GPT 5.4 66.4% Official board release 2026-06-25 Partially comparable -17.0 pt 25 Jun 2026 livebench.ai T2 History 54 deepseek-v4-flash Open weights DeepSeek · DeepSeek 65.5% Official board release 2026-06-25 Partially comparable -17.9 pt 25 Jun 2026 livebench.ai T2 History 55 Qwen3.6 27B Open weights Qwen · Qwen3.6 64.0% Official board release 2026-06-25 Partially comparable -19.4 pt 25 Jun 2026 livebench.ai T2 History 56 Gemini 3.5 Flash-Lite Closed Google · Gemini 3.5 63.9% Official board reasoning_effort high release 2026-06-25 Partially comparable -19.5 pt 25 Jun 2026 livebench.ai T2 History 57 Grok 4.3 Closed xAI · Grok 62.2% Official board release 2026-06-25 Partially comparable -21.2 pt 25 Jun 2026 livebench.ai T2 History