Vals Index leaderboard

Vals AI’s headline score: professional tasks in finance, law, medicine and coding, weighted by their share of the economy. Claude Sonnet 5.5 leads with 70.85%.

Models
27
Leader
Claude Sonnet 5.5
Source
Vals AI
As of
Oct 24, 2026
  1. 1Claude Sonnet 5.570.8%
  2. 2Claude Opus 5.570.2%
  3. 3Gemini 4 Argon69.2%
  4. 4Muse Wonder Full66.8%
  5. 5GPT-6 Astra65.0%
  6. 6Muse Wonder64.9%
  7. 7GPT-6.1 Sol63.9%
  8. 8Kimi K3.1 Pro62.5%
  9. 9DeepSeek-V4.1-Flash-2026091061.3%
  10. 10GLM-5.359.7%
Vals Index, accuracy against cost per test
Open weightsProprietaryBest for the price
20%35%50%65%80%$.1$1$10Cost per test, log scale →Claude Sonnet 5.5Muse Wonder FullGPT-6.1 SolDeepSeek-V4.1-Flash-20260910MiMo-V2.6-Pro

Full leaderboard

RankModelLabAccuracyCost / testHarnessPrice in / out
1Claude Sonnet 5.5Anthropic70.85%$18.70—$2 / $10
2Claude Opus 5.5Anthropic70.18%$28.12—$4 / $20
3Gemini 4 ArgonGoogle69.24%$13.37—$2 / $10
4Muse Wonder FullMeta66.79%$6.81——
5GPT-6 AstraOpenAI65.02%$21.28—$10 / $50
6Muse WonderMeta64.88%$10.65—$4 / $20
7GPT-6.1 SolOpenAI63.94%$3.61—$2 / $10
8Kimi K3.1 ProMoonshot AI62.52%$6.44—$2 / $10
9DeepSeek-V4.1-Flash-20260910DeepSeek61.26%$0.66—$0.15 / $0.60
10GLM-5.3Z.ai59.73%$8.52—$0.079 / $1.40
11Qwen3.8-MaxAlibaba59.05%$8.73—$2 / $6
12Claude Haiku 5.5Anthropic58.71%$3.17—$0.10 / $0.50
13Grok 4.7xAI58.56%$11.63—$2 / $6
14MiMo-V2.6-ProXiaomi57.81%$0.43—$0.43 / $0.87
15Gemini 3.8 FlashGoogle55.95%$6.06—$0.82 / $4.13
16MiMo-V2.6-FlashXiaomi54.83%$0.22—$0.14 / $0.28
17MiniMax-M3.1-FlashMiniMax53.78%$0.66—$0.15 / $0.60
18Hy4 previewTencent53.21%$1.45—$0.75 / $2.25
19DeepSeek-V4-ProDeepSeek52.97%$2.50—$0.66 / $1.98
20Kimi K3Moonshot AI52.95%$7.17—$0.24 / $11
21GPT-6 LunaOpenAI52.32%$0.45—$0.10 / $0.50
22GLM-5.3-FlashZ.ai50.86%$1.13—$0.15 / $0.50
23Muse Spark OpenMeta48.57%$4.72—$1.25 / $4.25
24Mercury 3Inception43.66%$0.48—$0.10 / $0.35
25Beam 1.0Reflection AI43.42%N/A——
26InklingThinky28.96%$1.85—$1 / $4.05
27Inkling-SmallThinky27.59%$0.40—$0.45 / $1.20

Sources

  • Vals AI, as of Oct 24, 2026
  • Provider list prices, as of Oct 24, 2026

Every number on this page comes from these sources; models without a published number show none. Download the data. Cite as “Nexus Explorer, nexus.inc/models”.