Loading leaderboard data…
Economics Index Leaderboard
As of 29 Oct 2026 · 94 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.
Scores are sorted high to low; ties are alphabetical. Costs use AA's displayed Index Cost per Task values; blank means no chart point. GPT-6.1 Sol effort-variant rows use scores from Artificial Analysis model profiles captured 2026-09-30; insertion ranks are documented in docs/GPT-6.1-SOL-RANK-IMPACT.md. Values refreshed from the Artificial Analysis evaluation page captured 2026-10-29.
20 results
| 1 | Anthropic | Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) | 62.3274 | Sep 2026 | $10.04 |
| 3 | Anthropic | Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) | 60.0044 | Sep 2026 | $6.05 |
| 4 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) | 58.9331 | Sep 2026 | $13.04 |
| 6 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback) | 57.9436 | Sep 2026 | $10.89 |
| 9 | Anthropic | Claude Opus 5.5 (Adaptive Reasoning, High Effort, Default Fallback) | 56.8921 | Sep 2026 | $3.46 |
| 11 | Anthropic | Claude Sonnet 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) | 56.0444 | Sep 2026 | $10.02 |
| 14 | Anthropic | Claude Opus 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback) | 54.3292 | Sep 2026 | $2.45 |
| 17 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback) | 53.727 | Sep 2026 | $7.56 |
| 20 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback) | 50.9971 | Sep 2026 | $5.58 |
| 23 | Anthropic | Claude Sonnet 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) | 50.2495 | Sep 2026 | $4.09 |
| 25 | Anthropic | Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback) | 49.1778 | Sep 2026 | $4.49 |
| 31 | Anthropic | Claude Sonnet 5.5 (Adaptive Reasoning, High Effort, Default Fallback) | 46.1461 | Sep 2026 | $1.64 |
| 33 | Anthropic | Claude Opus 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) | 45.1546 | Sep 2026 | $0.98 |
| 34 | Anthropic | Claude Haiku 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) | 44.3481 | Oct 2026 | $0.41 |
| 39 | Anthropic | Claude Haiku 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) | 42.6333 | Oct 2026 | $0.25 |
| 42 | Anthropic | Claude Sonnet 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback) | 40.6149 | Sep 2026 | $0.78 |
| 47 | Anthropic | Claude Haiku 5.5 (Adaptive Reasoning, High Effort, Default Fallback) | 39.4396 | Oct 2026 | $0.16 |
| 56 | Anthropic | Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) | 35.7942 | Sep 2026 | $0.51 |
| 58 | Anthropic | Claude Haiku 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback) | 35.5501 | Oct 2026 | $0.09 |
| 71 | Anthropic | Claude Haiku 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) | 29.5477 | Oct 2026 | $0.04 |