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HLE-Diamond Benchmark Leaderboard
As of 29 Oct 2026 · 133 ranked rows · Original source ↗
Cost per Intelligence Index task uses Artificial Analysis profile values captured 29 Oct 2026, weighted across the Index evaluations. Workbook cost values mentioned in the source notes below are evaluation-specific.
Values refreshed from the Artificial Analysis evaluation page captured 2026-10-29.
133 results
| 1 | Gemini 4 Carbon (High) | 0.691 | Oct 2026 | $7.76 | |
| 2 | Anthropic | Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) | 0.679 | Sep 2026 | $10.04 |
| 3 | Anthropic | Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) | 0.64 | Sep 2026 | $6.05 |
| 4 | OpenAI | GPT-6 Astra (Max) | 0.638 | Sep 2026 | $6.24 |
| 5 | OpenAI | GPT-6 Astra (Xhigh) | 0.615 | Sep 2026 | $3.66 |
| 6 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) | 0.601 | Sep 2026 | $13.04 |
| 7 | OpenAI | GPT-6 Astra (High) | 0.593 | Sep 2026 | $3.24 |
| 8 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback) | 0.588 | Sep 2026 | $10.89 |
| 8 | OpenAI | GPT-6.1 Sol (Max) | 0.588 | Sep 2026 | $1.27 |
| 10 | Gemini 4 Argon (High) | 0.567 | Sep 2026 | $7.68 | |
| 11 | OpenAI | GPT-6.1 Sol (Xhigh) | 0.558 | Sep 2026 | $0.76 |
| 12 | Anthropic | Claude Opus 5.5 (Adaptive Reasoning, High Effort, Default Fallback) | 0.556 | Sep 2026 | $3.46 |
| 13 | Anthropic | Claude Sonnet 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) | 0.533 | Sep 2026 | $10.02 |
| 14 | OpenAI | GPT-6 Astra (Medium) | 0.527 | Sep 2026 | $2.73 |
| 15 | OpenAI | GPT-6.1 Sol (High) | 0.519 | Sep 2026 | $0.59 |
| 16 | Anthropic | Claude Opus 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback) | 0.514 | Sep 2026 | $2.45 |
| 17 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback) | 0.504 | Sep 2026 | $7.56 |
| 18 | Meta | Muse Wonder Full (Max) | 0.485 | Oct 2026 | — |
| 19 | OpenAI | GPT-6.1 Terra (Max) | 0.473 | Oct 2026 | $0.96 |
| 20 | OpenAI | GPT-6.1 Sol (Medium) | 0.46 | Sep 2026 | $0.36 |
| 21 | OpenAI | GPT-6 Sol (Max) | 0.452 | Sep 2026 | — |
| 22 | OpenAI | GPT-6 Astra (Low) | 0.451 | Sep 2026 | $1.42 |
| 23 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback) | 0.45 | Sep 2026 | $5.58 |
| 24 | Anthropic | Claude Sonnet 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) | 0.441 | Sep 2026 | $4.09 |
| 25 | OpenAI | GPT-6.1 Terra (Xhigh) | 0.423 | Oct 2026 | $0.40 |
| 26 | Anthropic | Claude Opus 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) | 0.417 | Sep 2026 | $0.98 |
| 27 | Meta | Muse Wonder (Max) | 0.39 | Oct 2026 | $6.95 |
| 28 | OpenAI | GPT-6.1 Sol (Low) | 0.382 | Sep 2026 | $0.16 |
| 29 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback) | 0.374 | Sep 2026 | $4.49 |
| 30 | Kimi | Kimi K3.1 Pro | 0.373 | Oct 2026 | $3.68 |
| 31 | OpenAI | GPT-6.1 Terra (High) | 0.354 | Oct 2026 | $0.26 |
| 32 | Anthropic | Claude Sonnet 5.5 (Adaptive Reasoning, High Effort, Default Fallback) | 0.338 | Sep 2026 | $1.64 |
| 33 | Meta | Muse Spark 1.3 (Max) | 0.337 | Sep 2026 | $2.39 |
| 34 | Gemini 3.8 Flash (High) | 0.331 | Sep 2026 | $7.77 | |
| 35 | Gemini 3.1 Pro Preview | 0.314 | Feb 2026 | — | |
| 36 | OpenAI | GPT-6.1 Terra (Medium) | 0.313 | Oct 2026 | $0.17 |
| 37 | Meta | Muse Spark 1.3 (Xhigh) | 0.303 | Sep 2026 | — |
| 38 | Anthropic | Claude Haiku 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) | 0.296 | Oct 2026 | $0.41 |
| 39 | Gemini 3.8 Flash (Medium) | 0.291 | Sep 2026 | $6.26 | |
| 40 | Anthropic | Claude Haiku 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) | 0.288 | Oct 2026 | $0.25 |
| 40 | OpenAI | GPT-5.6 Terra (Max) | 0.288 | Jul 2026 | — |
| 42 | MiniMax | MiniMax-M3.1-Flash | 0.281 | Oct 2026 | $0.49 |
| 43 | Kimi | Kimi K3 (Max) | 0.269 | Jul 2026 | — |
| 44 | Meta | Muse Spark Open (Xhigh) | 0.263 | Oct 2026 | $2.02 |
| 45 | DeepSeek | DeepSeek V4.1 Flash 1017 (Max) | 0.253 | Oct 2026 | $0.60 |
| 46 | OpenAI | GPT-6.1 Terra (Low) | 0.249 | Oct 2026 | $0.07 |
| 47 | OpenAI | GPT-5.6 Terra (Xhigh) | 0.247 | Jul 2026 | — |
| 48 | Gemini 3.8 Flash (Low) | 0.243 | Sep 2026 | — | |
| 48 | StepFun | Step 5 Preview | 0.243 | Sep 2026 | $2.35 |
| 50 | Alibaba | Qwen3.8 Max (0902) | 0.24 | Sep 2026 | $10.02 |