1 Claude Fable 5.1 Closed Anthropic · Claude 86.4% Official board reasoning_effort max release 2026-06-25 leader 25 Jun 2026 livebench.ai T2 History 2 Claude Fable 5 Closed Anthropic · Claude 86.0% Official board reasoning_effort xhigh release 2026-06-25 Partially comparable -0.38 pt 25 Jun 2026 livebench.ai T2 History 3 gpt-5.6-sol Closed OpenAI · GPT 5.6 83.9% Official board release 2026-06-25 Partially comparable -2.43 pt 25 Jun 2026 livebench.ai T2 History 4 GPT-5.2-Codex Closed OpenAI · GPT 5.2 83.6% Official board release 2026-06-25 Partially comparable -2.76 pt 25 Jun 2026 livebench.ai T2 History 5 gpt-5.6-luna Closed OpenAI · GPT 5.6 82.9% Official board release 2026-06-25 Partially comparable -3.46 pt 25 Jun 2026 livebench.ai T2 History 6 Smaug Agentic 82.5% Official board release 2026-06-25 Partially comparable -3.90 pt 25 Jun 2026 livebench.ai T2 History 7 gpt-5.5 Closed OpenAI · GPT 5.5 82.1% Official board release 2026-06-25 Partially comparable -4.23 pt 25 Jun 2026 livebench.ai T2 History 8 Claude Opus 4.7 Closed Anthropic · Claude 82.1% Official board reasoning_effort xhigh release 2026-06-25 Partially comparable -4.29 pt 25 Jun 2026 livebench.ai T2 History 9 Claude Opus 4.8 Closed Anthropic · Claude 81.8% Official board reasoning on reasoning_effort max release 2026-06-25 Partially comparable -4.55 pt 25 Jun 2026 livebench.ai T2 History 10 Claude Opus 5 Closed Anthropic · Claude 81.4% Official board reasoning_effort max release 2026-06-25 Comparable -4.93 pt 25 Jun 2026 livebench.ai T2 History 10 Kimi K3 Open weights Moonshot AI · Kimi 81.4% Official board release 2026-06-25 Partially comparable -4.93 pt 25 Jun 2026 livebench.ai T2 History 12 Muse Spark 1.3 Closed Meta AI 81.1% Official board reasoning_effort xhigh release 2026-06-25 Partially comparable -5.31 pt 25 Jun 2026 livebench.ai T2 History 13 Claude Sonnet 5 Closed Anthropic · Claude 80.7% Official board reasoning_effort xhigh release 2026-06-25 Partially comparable -5.69 pt 25 Jun 2026 livebench.ai T2 History 14 gpt-6-astra Closed OpenAI · GPT 6 80.4% Official board release 2026-06-25 Partially comparable -6.02 pt 25 Jun 2026 livebench.ai T2 History 15 DeepSeek-V4.1-Flash Open weights DeepSeek · DeepSeek 80.0% Official board release 2026-06-25 Partially comparable -6.34 pt 25 Jun 2026 livebench.ai T2 History 16 Claude Opus 4.5 Closed Anthropic · Claude 79.7% Official board reasoning on reasoning_effort high thinking_budget 64k release 2026-06-25 Partially comparable -6.72 pt 25 Jun 2026 livebench.ai T2 History 16 Z.ai GLM 5.2 Open weights Z.ai (Zhipu AI) · GLM5.2 79.7% Official board release 2026-06-25 Partially comparable -6.72 pt 25 Jun 2026 livebench.ai T2 History 18 claude-sonnet-4-6-thinking-auto-medium-effort · Claude 79.3% Official board release 2026-06-25 Partially comparable -7.10 pt 25 Jun 2026 livebench.ai T2 History 19 GLM 5.3 Open weights Z.ai (Zhipu AI) · GLM5.3 79.0% Official board release 2026-06-25 Partially comparable -7.42 pt 25 Jun 2026 livebench.ai T2 History 19 GLM 5.3 Flash Open weights Z.ai (Zhipu AI) · GLM5.3 79.0% Official board release 2026-06-25 Partially comparable -7.42 pt 25 Jun 2026 livebench.ai T2 History 21 Gemini 3.7 Flash Closed Google · Gemini 78.9% Official board release 2026-06-25 Partially comparable -7.49 pt 25 Jun 2026 livebench.ai T2 History 22 Kimi K2.6 Open weights Moonshot AI · Kimi 78.6% Official board reasoning on release 2026-06-25 Partially comparable -7.81 pt 25 Jun 2026 livebench.ai T2 History 23 gpt-5.6-terra Closed OpenAI · GPT 5.6 78.2% Official board release 2026-06-25 Partially comparable -8.13 pt 25 Jun 2026 livebench.ai T2 History 24 Claude Opus 4.6 Closed Anthropic · Claude 78.2% Official board reasoning on reasoning_effort high release 2026-06-25 Partially comparable -8.19 pt 25 Jun 2026 livebench.ai T2 History 24 Gemini 3.5 Flash Closed Google · Gemini 78.2% Official board reasoning_effort high release 2026-06-25 Partially comparable -8.19 pt 25 Jun 2026 livebench.ai T2 History 24 Qwen3.6 Plus Closed Qwen · Qwen3.6 78.2% Official board release 2026-06-25 Partially comparable -8.19 pt 25 Jun 2026 livebench.ai T2 History 27 Gemini 3.6 Flash Closed Google · Gemini 77.9% Official board reasoning_effort high release 2026-06-25 Partially comparable -8.51 pt 25 Jun 2026 livebench.ai T2 History 28 Muse Spark 1.2 Closed Meta AI 77.5% Official board release 2026-06-25 Partially comparable -8.83 pt 25 Jun 2026 livebench.ai T2 History 28 gpt-5.4 Closed OpenAI · GPT 5.4 77.5% Official board release 2026-06-25 Partially comparable -8.83 pt 25 Jun 2026 livebench.ai T2 History 30 DeepSeek-V4-Pro-0813 Open weights DeepSeek · DeepSeek 77.2% Official board release 2026-06-25 Partially comparable -9.22 pt 25 Jun 2026 livebench.ai T2 History 30 Muse Spark 1.1 Closed Meta AI 77.2% Official board release 2026-06-25 Partially comparable -9.22 pt 25 Jun 2026 livebench.ai T2 History 32 Smaug Flash 77.1% Official board release 2026-06-25 Partially comparable -9.28 pt 25 Jun 2026 livebench.ai T2 History 33 Grok 4.6 Closed xAI · Grok 76.8% Official board release 2026-06-25 Partially comparable -9.60 pt 25 Jun 2026 livebench.ai T2 History 34 Gemini 3.1 Pro Preview Closed Google · Gemini 76.5% Official board reasoning_effort high release 2026-06-25 Partially comparable -9.92 pt 25 Jun 2026 livebench.ai T2 History 35 Gemini 3.5 Flash-Lite Closed Google · Gemini 76.1% Official board reasoning_effort high release 2026-06-25 Partially comparable -10.3 pt 25 Jun 2026 livebench.ai T2 History 35 gpt-5.2 Closed OpenAI · GPT 5.2 76.1% Official board reasoning_effort high release 2026-06-25 Partially comparable -10.3 pt 25 Jun 2026 livebench.ai T2 History 37 ox-alpha-max 75.8% Official board release 2026-06-25 Partially comparable -10.6 pt 25 Jun 2026 livebench.ai T2 History 38 Qwen3.8 27B Open weights Qwen · Qwen3.8 75.7% Official board reasoning off release 2026-06-25 Partially comparable -10.7 pt 25 Jun 2026 livebench.ai T2 History 39 Smaug Mini 75.4% Official board release 2026-06-25 Partially comparable -10.9 pt 25 Jun 2026 livebench.ai T2 History 40 DeepSeek V4 Flash (0731) Open weights DeepSeek · DeepSeek 75.0% Official board release 2026-06-25 Partially comparable -11.4 pt 25 Jun 2026 livebench.ai T2 History 41 Qwen3.7 Max Closed Qwen · Qwen3.7 74.2% Official board release 2026-06-25 Partially comparable -12.2 pt 25 Jun 2026 livebench.ai T2 History 42 Kimi K2.7 Code Open weights Moonshot AI · Kimi 74.0% Official board release 2026-06-25 Partially comparable -12.4 pt 25 Jun 2026 livebench.ai T2 History 43 Qwen 3.8 Max Closed Qwen · Qwen3.8 72.9% Official board release 2026-06-25 Partially comparable -13.5 pt 25 Jun 2026 livebench.ai T2 History 44 Qwen3.8 Flash Open weights Qwen · Qwen3.8 72.5% Official board release 2026-06-25 Partially comparable -13.8 pt 25 Jun 2026 livebench.ai T2 History 45 Gemini 3.8 Flash Closed Google · Gemini 72.5% Official board release 2026-06-25 Partially comparable -13.9 pt 25 Jun 2026 livebench.ai T2 History 46 Qwen3.6 27B Open weights Qwen · Qwen3.6 71.8% Official board release 2026-06-25 Partially comparable -14.6 pt 25 Jun 2026 livebench.ai T2 History 47 gpt-5.4-mini Closed OpenAI · GPT 5.4 71.6% Official board release 2026-06-25 Partially comparable -14.8 pt 25 Jun 2026 livebench.ai T2 History 48 Inkling Open weights Thinking Machines 71.0% Official board reasoning_effort xhigh release 2026-06-25 Partially comparable -15.4 pt 25 Jun 2026 livebench.ai T2 History 49 gpt-5.4-nano Closed OpenAI · GPT 5.4 70.8% Official board release 2026-06-25 Partially comparable -15.5 pt 25 Jun 2026 livebench.ai T2 History 50 Nemotron 3 Ultra Open weights NVIDIA · Nemotron 3 70.7% Official board release 2026-06-25 Partially comparable -15.7 pt 25 Jun 2026 livebench.ai T2 History 51 deepseek-v4-pro Closed DeepSeek · V4 70.0% Official board release 2026-06-25 Partially comparable -16.4 pt 25 Jun 2026 livebench.ai T2 History 52 Grok 4.3 Closed xAI · Grok 69.9% Official board release 2026-06-25 Partially comparable -16.4 pt 25 Jun 2026 livebench.ai T2 History 53 deepseek-v4-flash Open weights DeepSeek · DeepSeek 69.2% Official board release 2026-06-25 Partially comparable -17.1 pt 25 Jun 2026 livebench.ai T2 History 54 Grok 4.5 Closed xAI · Grok 68.6% Official board release 2026-06-25 Partially comparable -17.8 pt 25 Jun 2026 livebench.ai T2 History 55 DeepSeek V4 Flash Vision Exp Open weights DeepSeek · DeepSeek-V4 68.2% Official board release 2026-06-25 Partially comparable -18.2 pt 25 Jun 2026 livebench.ai T2 History 55 MiniMax-M3 Open weights MiniMax · MiniMax 68.2% Official board release 2026-06-25 Partially comparable -18.2 pt 25 Jun 2026 livebench.ai T2 History 57 Grok Build 0.1 Closed xAI · Grok 65.4% Official board release 2026-06-25 Partially comparable -21.0 pt 25 Jun 2026 livebench.ai T2 History