Artificial Analysis Intelligence Index
A composite of ten independent evaluations run by Artificial Analysis: reasoning, knowledge, math, coding, agents.
Claude Opus 5.5
#1 right now
57.6
Index
100
Models ranked
Sep 24, 2026
Board published
Ranking
Best variant per model, as published. Higher is better.
- 157.6
Claude Opus 5.5
as “Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)” - 253.4
Claude Fable 5.1
as “Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)” - 352.7
GPT-6 Astra
as “GPT-6 Astra (max)” - 448.1
Muse Spark 1.3
as “Muse Spark 1.3 (max)” - 547.5
GPT-6 Sol
as “GPT-6 Sol (max)” - 646.4
Grok 4.7
as “Grok 4.7 (xhigh)” - 746.3
- 845.4
- 944.8
GLM-5.3
as “GLM-5.3 (max)” - 1044.3
Grok 4.6
as “Grok 4.6 (high)” - 1143.7
- 1243.6
Kimi K3
as “Kimi K3 (max)” - 1342.1
GPT-5.6 Terra
as “GPT-5.6 Terra (max)” - 1441.8
- 1540.9
Gemini 3.8 Flash
as “Gemini 3.8 Flash (high)” - 1639.9
- 1739.8
- 1839.5
DeepSeek V4.1 Flash
as “DeepSeek V4.1 Flash (Reasoning, Max Effort)” - 1938.2
Claude Sonnet 5
as “Claude Sonnet 5 (Adaptive Reasoning, Max Effort)” - 2037.3
GPT-6 Luna
as “GPT-6 Luna (max)” - 2136.0
DeepSeek V4 Pro 0813
as “DeepSeek V4 Pro 0813 (Reasoning, Max Effort)” - 2235.5
- 2335.2
- 2434.8
DeepSeek V4 Flash Vision
as “DeepSeek V4 Flash Vision (Reasoning, Max Effort)” - 2533.7
Qwen3.8 27B
as “Qwen3.8 27B (xhigh)”
Rank over time
History builds with every daily capture. One capture so far.
Other reasoning boards
HLE
#1 GPT-6 Astra
GPQA Diamond
#1 GPT-6 Astra
Epoch ECI
#1 GPT-6 Astra
ARC-AGI-2
#1 GPT-6 Astra
LiveBench
#1 Claude Fable 5.1
MMLU-Pro
#1 Gemini 3.1 Pro Preview
Open LLM LB
#1 none
Scores as published by Artificial Analysis on the capture date (2026-09-24). Source: artificialanalysis.ai models page data.