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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.
20 results
| 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 |
| 6 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) | 0.601 | Sep 2026 | $13.04 |
| 8 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback) | 0.588 | Sep 2026 | $10.89 |
| 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 |
| 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 |
| 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 |
| 26 | Anthropic | Claude Opus 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) | 0.417 | Sep 2026 | $0.98 |
| 29 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback) | 0.374 | Sep 2026 | $4.49 |
| 32 | Anthropic | Claude Sonnet 5.5 (Adaptive Reasoning, High Effort, Default Fallback) | 0.338 | Sep 2026 | $1.64 |
| 38 | Anthropic | Claude Haiku 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) | 0.296 | Oct 2026 | $0.41 |
| 40 | Anthropic | Claude Haiku 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) | 0.288 | Oct 2026 | $0.25 |
| 51 | Anthropic | Claude Sonnet 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback) | 0.238 | Sep 2026 | $0.78 |
| 52 | Anthropic | Claude Haiku 5.5 (Adaptive Reasoning, High Effort, Default Fallback) | 0.237 | Oct 2026 | $0.16 |
| 58 | Anthropic | Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) | 0.206 | Sep 2026 | $0.51 |
| 67 | Anthropic | Claude Haiku 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback) | 0.168 | Oct 2026 | $0.09 |
| 79 | Anthropic | Claude Haiku 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) | 0.141 | Oct 2026 | $0.04 |