OpenAI GPT-6 Astra (xhigh)96.2% mercor.com for GPT-6 Astra (xhigh) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for GPT-6 Astra on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 10005 OpenAI GPT-5.4 (xhigh)93.2% mercor.com for GPT-5.4 (xhigh) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for GPT-5.4 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 10007 OpenAI GPT-5.5 (xhigh)94.6% mercor.com for GPT-5.5 (xhigh) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for GPT-5.5 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 10008 OpenAI GPT-5.6 Luna (max)91.8% mercor.com for GPT-5.6 Luna (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for GPT-5.6 Luna on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 10009 OpenAI GPT-5.6 Terra (max)93.2% mercor.com for GPT-5.6 Terra (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for GPT-5.6 Terra on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 10011 OpenAI GPT-6 Luna (max)89.9% mercor.com for GPT-6 Luna (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for GPT-6 Luna on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 10013 OpenAI GPT-6 Sol (max)94.4% mercor.com for GPT-6 Sol (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for GPT-6 Sol on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 10014 OpenAI GPT-6.1 Sol (max)95.1% mercor.com for GPT-6.1 Sol (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for GPT-6.1 Sol on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 10015 DeepSeek AI DeepSeek-V4-Pro (max)89.4% mercor.com for DeepSeek-V4-Pro (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for DeepSeek-V4-Pro on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 110002 DeepSeek AI DeepSeek-V3.2 85.2% mercor.com for DeepSeek-V3.2 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for DeepSeek-V3.2 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 110003 Moonshot AI Kimi K3 (max)92.7% mercor.com for Kimi K3 (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Kimi K3 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 120003 Alibaba (Tongyi) Qwen3.8-Max (xhigh)92.5% mercor.com for Qwen3.8-Max (xhigh) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Qwen3.8-Max on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 130008 MiniMax MiniMax M2.7 (high)86.0% mercor.com for MiniMax M2.7 (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for MiniMax M2.7 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 140002 MiniMax MiniMax M3 (high)90.5% mercor.com for MiniMax M3 (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for MiniMax M3 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 140003 Z.ai GLM-5.2 (max)90.2% mercor.com for GLM-5.2 (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for GLM-5.2 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 150004 Z.ai GLM-5.3 (max)91.3% mercor.com for GLM-5.3 (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for GLM-5.3 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 150005 OpenAI gpt-oss-120b (high)77.5% mercor.com for gpt-oss-120b (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for gpt-oss-120b on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 15001 Thinking Machines Lab Inkling (high)87.2% mercor.com for Inkling (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Inkling on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 160001 Anthropic Claude Fable 5.1 (max)91.4% mercor.com for Claude Fable 5.1 (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Claude Fable 5.1 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 20004 Anthropic Claude Fable 5.1 (high)85.2% mercor.com for Claude Fable 5.1 (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Claude Fable 5.1 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 20004 Anthropic Claude Sonnet 4.6 (high)84.7% mercor.com for Claude Sonnet 4.6 (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Claude Sonnet 4.6 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 20009 Anthropic Claude Opus 4.7 (max)86.4% mercor.com for Claude Opus 4.7 (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Claude Opus 4.7 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 20010 Anthropic Claude Opus 4.8 (max)92.0% mercor.com for Claude Opus 4.8 (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Claude Opus 4.8 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 20011 Anthropic Claude Fable 5 (max)85.0% mercor.com for Claude Fable 5 (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Claude Fable 5 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 20012 Anthropic Claude Sonnet 5 (max)80.6% mercor.com for Claude Sonnet 5 (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Claude Sonnet 5 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 20013 Anthropic Claude Opus 5 (max)93.6% mercor.com for Claude Opus 5 (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Claude Opus 5 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 20014 Anthropic Claude Opus 5.5 (max)91.3% mercor.com for Claude Opus 5.5 (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Claude Opus 5.5 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 20015 Anthropic Claude Sonnet 5.5 (max)95.2% mercor.com for Claude Sonnet 5.5 (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Claude Sonnet 5.5 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 20016 Google (DeepMind) Gemini 3.8 Flash (high)93.9% mercor.com for Gemini 3.8 Flash (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Gemini 3.8 Flash on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 30004 Google (DeepMind) Gemini 3.1 Pro (high)94.2% mercor.com for Gemini 3.1 Pro (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Gemini 3.1 Pro on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 30005 Google (DeepMind) Gemini 3.5 Flash (high)85.7% mercor.com for Gemini 3.5 Flash (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Gemini 3.5 Flash on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 30006 Google (DeepMind) Gemini 3.6 Flash (high)93.4% mercor.com for Gemini 3.6 Flash (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Gemini 3.6 Flash on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 30007 Google (DeepMind) Gemini 3.7 Flash (high)94.2% mercor.com for Gemini 3.7 Flash (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Gemini 3.7 Flash on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 30010 Google (DeepMind) Gemma 4 31B Instruct 85.5% mercor.com for Gemma 4 31B Instruct on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Gemma 4 31B Instruct on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 35002 SpaceXAI Grok 4.5 (high)92.4% mercor.com for Grok 4.5 (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Grok 4.5 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 40001 SpaceXAI Grok 4.6 (xhigh)93.8% mercor.com for Grok 4.6 (xhigh) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Grok 4.6 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 40002 NVIDIA NVIDIA Nemotron 3 Ultra 550B-A55B (high)87.8% mercor.com for NVIDIA Nemotron 3 Ultra 550B-A55B (high) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for NVIDIA Nemotron 3 Ultra 550B-A55B on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 60003 Meta AI (originally Facebook AI Research) Muse Spark 1.1 (xhigh)90.8% mercor.com for Muse Spark 1.1 (xhigh) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Muse Spark 1.1 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 80002 Meta AI (originally Facebook AI Research) Muse Spark 1.3 (max)91.3% mercor.com for Muse Spark 1.3 (max) on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot (opens in a new tab) Archived copy (opens in a new tab) GPQA Diamond Accuracy Reported October 7, 2026 Benchmark leaderboard Mercor Independent Record for Muse Spark 1.3 on Graduate-Level Google-Proof Q&A Diamond — Mercor single-shot 80005