1 Claude Fable 5 Closed Anthropic · Claude 90.7% Official board reasoning_effort xhigh release 2026-06-25 leader 25 Jun 2026 livebench.ai T2 History 2 Claude Fable 5.1 Closed Anthropic · Claude 89.5% Official board reasoning_effort max release 2026-06-25 Partially comparable -1.18 pt 25 Jun 2026 livebench.ai T2 History 3 gpt-6-astra Closed OpenAI · GPT 6 89.4% Official board release 2026-06-25 Partially comparable -1.25 pt 25 Jun 2026 livebench.ai T2 History 4 Claude Opus 5 Closed Anthropic · Claude 88.7% Official board reasoning_effort max release 2026-06-25 Partially comparable -2.00 pt 25 Jun 2026 livebench.ai T2 History 5 Gemini 3.8 Flash Closed Google · Gemini 3.8 87.8% Official board release 2026-06-25 Partially comparable -2.89 pt 25 Jun 2026 livebench.ai T2 History 6 gpt-5.6-sol Closed OpenAI · GPT 5.6 87.7% Official board release 2026-06-25 Partially comparable -3.00 pt 25 Jun 2026 livebench.ai T2 History 7 gpt-5.5 Closed OpenAI · GPT 5.5 87.4% Official board release 2026-06-25 Partially comparable -3.32 pt 25 Jun 2026 livebench.ai T2 History 8 Kimi K3 Open weights Moonshot AI · Kimi 85.5% Official board release 2026-06-25 Partially comparable -5.16 pt 25 Jun 2026 livebench.ai T2 History 9 Gemini 3.7 Flash Closed Google · Gemini 3.7 85.5% Official board release 2026-06-25 Partially comparable -5.23 pt 25 Jun 2026 livebench.ai T2 History 10 Gemini 3.1 Pro Preview Closed Google · Gemini 3.1 85.4% Official board reasoning_effort high release 2026-06-25 Partially comparable -5.31 pt 25 Jun 2026 livebench.ai T2 History 11 Gemini 3.5 Flash Closed Google · Gemini 3.5 84.6% Official board reasoning_effort high release 2026-06-25 Partially comparable -6.10 pt 25 Jun 2026 livebench.ai T2 History 12 Smaug Agentic 84.4% Official board release 2026-06-25 Partially comparable -6.33 pt 25 Jun 2026 livebench.ai T2 History 13 Gemini 3.6 Flash Closed Google · Gemini 3.6 83.9% Official board reasoning_effort high release 2026-06-25 Partially comparable -6.79 pt 25 Jun 2026 livebench.ai T2 History 14 Grok 4.6 Closed xAI · Grok 83.7% Official board release 2026-06-25 Partially comparable -6.99 pt 25 Jun 2026 livebench.ai T2 History 15 Claude Opus 4.6 Closed Anthropic · Claude 83.3% Official board reasoning on reasoning_effort high release 2026-06-25 Partially comparable -7.41 pt 25 Jun 2026 livebench.ai T2 History 16 gpt-5.6-terra Closed OpenAI · GPT 5.6 82.9% Official board release 2026-06-25 Partially comparable -7.79 pt 25 Jun 2026 livebench.ai T2 History 17 Grok 4.5 Closed xAI · Grok 82.8% Official board release 2026-06-25 Partially comparable -7.89 pt 25 Jun 2026 livebench.ai T2 History 18 Muse Spark 1.3 Closed Meta AI 82.8% Official board reasoning_effort xhigh release 2026-06-25 Comparable -7.89 pt 25 Jun 2026 livebench.ai T2 History 19 gpt-5.4 Closed OpenAI · GPT 5.4 82.6% Official board release 2026-06-25 Partially comparable -8.05 pt 25 Jun 2026 livebench.ai T2 History 20 DeepSeek-V4-Pro-0813 Open weights DeepSeek · DeepSeek 82.1% Official board release 2026-06-25 Partially comparable -8.61 pt 25 Jun 2026 livebench.ai T2 History 21 Claude Opus 4.5 Closed Anthropic · Claude 81.3% Official board reasoning on reasoning_effort high thinking_budget 64k release 2026-06-25 Partially comparable -9.42 pt 25 Jun 2026 livebench.ai T2 History 22 DeepSeek-V4.1-Flash Open weights DeepSeek · DeepSeek 81.2% Official board release 2026-06-25 Partially comparable -9.49 pt 25 Jun 2026 livebench.ai T2 History 23 DeepSeek V4 Flash Vision Exp Open weights DeepSeek · DeepSeek-V4 80.4% Official board release 2026-06-25 Partially comparable -10.3 pt 25 Jun 2026 livebench.ai T2 History 24 GLM 5.3 Open weights Z.ai (Zhipu AI) · GLM5.3 79.9% Official board release 2026-06-25 Partially comparable -10.8 pt 25 Jun 2026 livebench.ai T2 History 25 gpt-5.2 Closed OpenAI · GPT 5.2 79.8% Official board reasoning_effort high release 2026-06-25 Partially comparable -10.9 pt 25 Jun 2026 livebench.ai T2 History 26 Qwen3.7 Max Closed Qwen · Qwen3.7 79.7% Official board release 2026-06-25 Partially comparable -10.9 pt 25 Jun 2026 livebench.ai T2 History 27 Qwen 3.8 Max Closed Qwen · Qwen3.8 79.7% Official board release 2026-06-25 Partially comparable -11.0 pt 25 Jun 2026 livebench.ai T2 History 28 Claude Opus 4.8 Closed Anthropic · Claude 79.7% Official board reasoning on reasoning_effort max release 2026-06-25 Partially comparable -11.0 pt 25 Jun 2026 livebench.ai T2 History 29 Smaug Flash 79.2% Official board release 2026-06-25 Partially comparable -11.5 pt 25 Jun 2026 livebench.ai T2 History 30 DeepSeek V4 Flash (0731) Open weights DeepSeek · DeepSeek 79.2% Official board release 2026-06-25 Partially comparable -11.5 pt 25 Jun 2026 livebench.ai T2 History 31 Muse Spark 1.2 Closed Meta AI 78.6% Official board release 2026-06-25 Partially comparable -12.1 pt 25 Jun 2026 livebench.ai T2 History 32 deepseek-v4-pro Closed DeepSeek · V4 78.1% Official board release 2026-06-25 Partially comparable -12.6 pt 25 Jun 2026 livebench.ai T2 History 33 Claude Opus 4.7 Closed Anthropic · Claude 77.9% Official board reasoning_effort xhigh release 2026-06-25 Comparable -12.8 pt 25 Jun 2026 livebench.ai T2 History 34 Kimi K2.7 Code Open weights Moonshot AI · Kimi 77.9% Official board release 2026-06-25 Partially comparable -12.8 pt 25 Jun 2026 livebench.ai T2 History 35 GLM 5.3 Flash Open weights Z.ai (Zhipu AI) · GLM5.3 77.3% Official board release 2026-06-25 Partially comparable -13.4 pt 25 Jun 2026 livebench.ai T2 History 36 Smaug Mini 77.0% Official board release 2026-06-25 Partially comparable -13.7 pt 25 Jun 2026 livebench.ai T2 History 37 MiniMax-M3 Open weights MiniMax · MiniMax 76.8% Official board release 2026-06-25 Partially comparable -13.8 pt 25 Jun 2026 livebench.ai T2 History 38 Z.ai GLM 5.2 Open weights Z.ai (Zhipu AI) · GLM5.2 76.2% Official board release 2026-06-25 Partially comparable -14.4 pt 25 Jun 2026 livebench.ai T2 History 39 claude-sonnet-4-6-thinking-auto-medium-effort · Claude 76.1% Official board release 2026-06-25 Partially comparable -14.6 pt 25 Jun 2026 livebench.ai T2 History 40 Kimi K2.6 Open weights Moonshot AI · Kimi 75.1% Official board reasoning on release 2026-06-25 Partially comparable -15.5 pt 25 Jun 2026 livebench.ai T2 History 41 Qwen3.6 Plus Closed Qwen · Qwen3.6 75.0% Official board release 2026-06-25 Partially comparable -15.7 pt 25 Jun 2026 livebench.ai T2 History 42 Claude Sonnet 5 Closed Anthropic · Claude 75.0% Official board reasoning_effort xhigh release 2026-06-25 Comparable -15.7 pt 25 Jun 2026 livebench.ai T2 History 43 Qwen3.8 Flash Open weights Qwen · Qwen3.8 74.6% Official board release 2026-06-25 Partially comparable -16.0 pt 25 Jun 2026 livebench.ai T2 History 44 Qwen3.8 27B Open weights Qwen · Qwen3.8 74.3% Official board reasoning off release 2026-06-25 Partially comparable -16.3 pt 25 Jun 2026 livebench.ai T2 History 45 Muse Spark 1.1 Closed Meta AI 74.3% Official board release 2026-06-25 Partially comparable -16.3 pt 25 Jun 2026 livebench.ai T2 History 46 GPT-5.2-Codex Closed OpenAI · GPT 5.2 73.7% Official board release 2026-06-25 Partially comparable -17.0 pt 25 Jun 2026 livebench.ai T2 History 47 Grok 4.3 Closed xAI · Grok 73.6% Official board release 2026-06-25 Partially comparable -17.1 pt 25 Jun 2026 livebench.ai T2 History 48 Inkling Open weights Thinking Machines 73.5% Official board reasoning_effort xhigh release 2026-06-25 Comparable -17.2 pt 25 Jun 2026 livebench.ai T2 History 49 gpt-5.6-luna Closed OpenAI · GPT 5.6 72.6% Official board release 2026-06-25 Partially comparable -18.1 pt 25 Jun 2026 livebench.ai T2 History 50 Grok Build 0.1 Closed xAI · Grok 72.5% Official board release 2026-06-25 Partially comparable -18.2 pt 25 Jun 2026 livebench.ai T2 History 51 Gemini 3.5 Flash-Lite Closed Google · Gemini 3.5 71.8% Official board reasoning_effort high release 2026-06-25 Partially comparable -18.9 pt 25 Jun 2026 livebench.ai T2 History 52 gpt-5.4-mini Closed OpenAI · GPT 5.4 71.0% Official board release 2026-06-25 Partially comparable -19.7 pt 25 Jun 2026 livebench.ai T2 History 53 Nemotron 3 Ultra Open weights NVIDIA · Nemotron 3 70.8% Official board release 2026-06-25 Partially comparable -19.9 pt 25 Jun 2026 livebench.ai T2 History 54 deepseek-v4-flash Open weights DeepSeek · DeepSeek 70.1% Official board release 2026-06-25 Partially comparable -20.6 pt 25 Jun 2026 livebench.ai T2 History 55 ox-alpha-max 66.1% Official board release 2026-06-25 Partially comparable -24.5 pt 25 Jun 2026 livebench.ai T2 History 56 Qwen3.6 27B Open weights Qwen · Qwen3.6 63.3% Official board release 2026-06-25 Partially comparable -27.4 pt 25 Jun 2026 livebench.ai T2 History 57 gpt-5.4-nano Closed OpenAI · GPT 5.4 62.5% Official board release 2026-06-25 Partially comparable -28.2 pt 25 Jun 2026 livebench.ai T2 History