Project AURIONAI Use-Cases Research & Innovation
LLMfamily

Claude

Anthropic's proprietary model family, including the Opus, Sonnet, Haiku, Fable and Mythos tiers; no open-weight relatives.

Anthropic
Levelfamily
ClassLLM
Parametersnot in the notes
Contextnot in the notes
Releasednot in the notes
Opennessproprietary
Runs onnot in the notes
Statusactive

Benchmark Results

vendor-reportedmaintainer-runindependent
AI2Dmultimodal
Claude 3 Sonnettest setvendor-reported
88.7
Claude 3 model card, Table 1 and vision tableMar 2024 www-cdn.anthropic.com
Claude 3 Opustest setvendor-reported
88.1
050100

Score in %. Higher is better.

Claude 3 model card, Table 1 and vision tableMar 2024 www-cdn.anthropic.com
ARC-AGI-2knowledge and reasoning
Claude Opus 5.5high effort, $0.408/taskvendor-reported
93.3
050100

Score in %. Higher is better.

Arena Agenthuman preference arena
Claude Opus 5.5Claude Opus 5.5 (High)independent
14.33
050100

Score in %. Higher is better.

rank 1, Arena Agent overall10 Oct 2026 arena.ai
Arena Text leaderboardhuman preference arena
Claude Opus 5.5highindependent
1,507 ±8
rank 2, Arena Text overall8 Oct 2026 arena.ai
Claude Fable 5highindependent
1,504 ±4
rank 4, Arena Text overall8 Oct 2026 arena.ai
Claude Opus 4.6highindependent
1,504 ±3
rank 3, Arena Text overall8 Oct 2026 arena.ai
Claude Fable 5.1maxindependent
1,501 ±6
rank 6, Arena Text overall8 Oct 2026 arena.ai
Claude Sonnet 5.5xhighindependent
1,476 ±9
1,2001,4001,600

Score in Elo; the axis starts at 1,200, as Elo has no zero. Higher is better.

rank 32, Arena Text overall8 Oct 2026 arena.ai
Arena Vision leaderboardhuman preference arena
Claude Fable 5highindependent
1,308 ±7
rank 1 of 165, Arena Vision overall, style control default, 165 models9 Oct 2026 arena.ai
Claude Opus 4.6highindependent
1,299 ±6
rank 3 of 165, Arena Vision overall, style control default, 165 models9 Oct 2026 arena.ai
Claude Opus 5.5highindependent
1,293 ±13
rank 11 of 165, Arena Vision overall, style control default, 165 models9 Oct 2026 arena.ai
Claude Fable 5.1maxindependent
1,286 ±10
1,2701,2901,310

Score in Elo; the axis starts at 1,270, as Elo has no zero. Higher is better.

rank 17 of 165, Arena Vision overall, style control default, 165 models9 Oct 2026 arena.ai
Claude Opus 5.5max; 57.62 per secondary orcarouterindependent
58
rank 1 of 205, AA leaderboard, 205 current models10 Oct 2026 artificialanalysis.ai
Claude Opus 5.5maxindependent
58
rank 1 of 227, AA model page, 227 models10 Oct 2026 artificialanalysis.ai
Claude Sonnet 5.5maxindependent
56
rank 2 of 205, AA leaderboard, 205 current models10 Oct 2026 artificialanalysis.ai
Claude Fable 5.1maxindependent
53
rank 5 of 205, AA leaderboard, 205 current models10 Oct 2026 artificialanalysis.ai
Claude Haiku 5.5maxindependent
43
090180

Score in index. Higher is better.

AA leaderboard, 205 current models10 Oct 2026 artificialanalysis.ai
Claude Opus 5.5vendor-reported
86.4
benchlm.ai frontier top 69 Oct 2026 benchlm.ai
Claude Sonnet 5.5vendor-reported
83.9
benchlm.ai frontier top 69 Oct 2026 benchlm.ai
Claude Fable 5.1vendor-reported
82
090180

Score in index. Higher is better.

benchlm.ai frontier top 69 Oct 2026 benchlm.ai
Claude Opus 5.5CursorBench 4.0, maxvendor-reported
57.8
050100

Score in %. Higher is better.

Claude Opus 5.5maintainer-run
166.82 CI 163.54 to 170.99
090180

Score in index. Higher is better.

rank 1, Epoch AI Benchmarking Hub15 Oct 2026 epoch.ai, epoch.ai
Claude Opus 5.5vendor-reported
54.4
050100

Score in %. Higher is better.

GDPval-AA v2.1agents and tool use
Claude Opus 5.5vendor-reported
1,846
Claude Fable 5.1vendor-reported
1,735
Claude Opus 5vendor-reported
1,708
1,6001,7501,900

Score in Elo; the axis starts at 1,600, as Elo has no zero. Higher is better.

GPQA Diamondknowledge and reasoning
Claude Opus 4Without extended thinkingvendor-reported
74.9
Anthropic announcement22 May 2025 anthropic.com
Claude 3 Opus0-shot CoTvendor-reported
50.4
Claude 3 model card, Table 1 and vision tableMar 2024 www-cdn.anthropic.com
Claude 3 Sonnet0-shot CoTvendor-reported
40.4
050100

Score in %. Higher is better.

Claude 3 model card, Table 1 and vision tableMar 2024 www-cdn.anthropic.com
GSM8Kmath
Claude 3 Opus0-shot CoTvendor-reported
95
Claude 3 model card, Table 1 and vision tableMar 2024 www-cdn.anthropic.com
Claude 3 Sonnet0-shot CoTvendor-reported
92.3
050100

Score in %. Higher is better.

Claude 3 model card, Table 1 and vision tableMar 2024 www-cdn.anthropic.com
HumanEvalcoding
Claude 3 Opus0-shotvendor-reported
84.9
Claude 3 model card, Table 1 and vision tableMar 2024 www-cdn.anthropic.com
Claude 3 Sonnet0-shotvendor-reported
73
050100

Score in %. Higher is better.

Claude 3 model card, Table 1 and vision tableMar 2024 www-cdn.anthropic.com
Humanity's Last Examknowledge and reasoning
Claude Opus 5.5with tools (Anthropic)vendor-reported
67.7
Claude Opus 5.5AA-measuredindependent
61.4
050100

Score in %. Higher is better.

Humanity's Last Exam (HLE)knowledge and reasoning
Claude Fable 5.1Table mixes runs with and without toolsvendor-reported
65
050100

Score in %. Higher is better.

rank 1, BenchLM aggregator, top score10 Oct 2026 benchlm.ai
IOIcoding
Claude Fable 5.1Vals.ai, max effortindependent
90.78 ±4.65
050100

Score in %. Higher is better.

Claude Fable 5.1Vals.ai, max effortindependent
90.52 ±0.86
rank 1 of 143vals.ai
Claude Fable 5.1Vals-run variantindependent
90.5
050100

Score in %. Higher is better.

rank 1, Vals.ai run shown on BenchLM10 Oct 2026 benchlm.ai
MGSMmath
Claude 3 Opus0-shotvendor-reported
90.7
050100

Score in %. Higher is better.

Claude 3 model card, Table 1 and vision tableMar 2024 www-cdn.anthropic.com
MMMUmultimodal
Claude Fable 5.1Vals mirrorindependent
90.64
Vals.ai mirror shown on BenchLM10 Oct 2026 benchlm.ai
Claude Opus 4Without extended thinkingvendor-reported
73.7
050100

Score in %. Higher is better.

Anthropic announcement22 May 2025 anthropic.com
Multilingual MMLUknowledge and reasoning
Claude Opus 4MMMLU, without extended thinkingvendor-reported
87.4
050100

Score in %. Higher is better.

Anthropic announcement22 May 2025 anthropic.com
OSWorld 2.0agents and tool use
Claude Opus 5.5partialvendor-reported
81.8
Claude Fable 5.1vendor-reported
80.7
050100

Score in %. Higher is better.

OSWorldagents and tool use
Claude 3.5 Sonnet (Oct '24)screenshot-only, more steps allowedvendor-reported
22
22 Oct 2024 anthropic.com
Claude 3.5 Sonnet (Oct '24)screenshot-onlyvendor-reported
14.9
050100

Score in %. Higher is better.

22 Oct 2024 anthropic.com
Claude Fable 5.1Vals.ai, max effortindependent
7 ±1.81
050100

Score in %. Higher is better.

Claude Opus 5.5Self-reportvendor-reported
89.9
rank 1, BenchLM aggregator, top score10 Oct 2026 benchlm.ai
Claude Opus 5.5system cardvendor-reported
89.9
Claude Fable 5public board (per heyuan110)vendor-reported
80
Claude Fable 5vendor-reported
77.8
050100

Score in %. Higher is better.

Claude Opus 5Vals.ai, mini-swe-agent bash-only, +/-0.76independent
97
Claude Opus 5Self-report; benchmark contaminated, display onlyvendor-reported
96
rank 1, BenchLM aggregator, top score10 Oct 2026 benchlm.ai
Claude Mythos 5max effortvendor-reported
95.5
Claude Fable 55-trial averagevendor-reported
95
Claude Fable 5secondary report; source flags possible Mythos attribution mix-upvendor-reported
93.9
Claude Opus 4.1No extended thinking; bash and string-replace file editor scaffold; full 500 problemsvendor-reported
74.5
Anthropic announcement5 Aug 2025 anthropic.com
Claude Opus 4No extended thinking; bash and file editing tool scaffoldvendor-reported
72.5
Anthropic announcement22 May 2025 anthropic.com
49
050100

Score in %. Higher is better.

22 Oct 2024 anthropic.com
tau-benchagents and tool use
Claude 3.5 Sonnet (Oct '24)retail domainvendor-reported
69.2
22 Oct 2024 anthropic.com
Claude 3.5 Sonnet (Oct '24)airline domainvendor-reported
46
050100

Score in %. Higher is better.

22 Oct 2024 anthropic.com
Terminal-Bench 2.1agents and tool use
Claude Fable 5.1Vals.ai, max effort; 79.03% if fallback-assisted tasks count as failuresindependent
85.02
050100

Score in %. Higher is better.

Terminal-Bench 2.0agents and tool use
Claude Fable 5vendor-reported
82
050100

Score in %. Higher is better.

Terminal-Bench 4.0agents and tool use
Claude Opus 5.5xhigh, with safeguards, SE about 2.6vendor-reported
66.4
Claude Opus 5.5official boardmaintainer-run
64.8
Claude Fable 5.1Vals.ai, max effortindependent
58.08 ±3.31
Claude Opus 5vendor-reported
52.3
050100

Score in %. Higher is better.

Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).

Lineage

AnthropicClaude Haiku 5.5 belongs to this familymultimodal LLM7 Oct 2026
AnthropicClaude Sonnet 5.5 belongs to this familymultimodal LLM28 Sep 2026
AnthropicClaude Opus 5.5 belongs to this familymultimodal LLM22 Sep 2026
AnthropicClaude Fable 5.1 belongs to this familymultimodal LLM1 Sep 2026
AnthropicClaude Fable 5 belongs to this familyLLM9 Jun 2026
AnthropicClaude Opus 4.6 belongs to this familyLLMFeb 2026
AnthropicClaude Opus 4.1 belongs to this familyLLM5 Aug 2025
AnthropicClaude Opus 4 belongs to this familyLLM22 May 2025
AnthropicClaude 3.5 Sonnet (Oct '24) belongs to this familymultimodal LLM22 Oct 2024
AnthropicClaude 3 Haiku belongs to this familymultimodal LLM13 Mar 2024
AnthropicClaude 3 Opus belongs to this familymultimodal LLM4 Mar 2024
AnthropicClaude 3 Sonnet belongs to this familymultimodal LLM4 Mar 2024
AnthropicClaude 3.7 Sonnet belongs to this familyLLM
AnthropicClaude Haiku 4.5 belongs to this familyLLM
AnthropicClaude Mythos 5 belongs to this familyLLM
AnthropicClaude Mythos 5.1 belongs to this familyLLM
AnthropicClaude Opus 4.7 belongs to this familyLLM
AnthropicClaude Opus 4.8 belongs to this familyLLM
AnthropicClaude Opus 5 belongs to this familyLLM
AnthropicClaude Sonnet 4.6 belongs to this familyLLM
AnthropicClaude Sonnet 5 belongs to this familyLLM
Where this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. Confidence and evidence are the notes' own.

R&D Topics

Identity

Developer
Anthropic
Family
not in the notes
Released
– sources
Weights published
–
Record checked
10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
not in the notes
Total parameters
– sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
not in the notes
Output
not in the notes
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
proprietary
Licence
not in the notes sources
Access routes
not in the notes
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
not in the notes
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Industry Use Cases

No industry use case links this model.

Sources

  1. Newsroom anthropic.com https://www.anthropic.com/news
  2. Models overview platform.claude.com https://platform.claude.com/docs/en/models/overview

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Claude", https://aurion.semai.id/models/anthropic-claude/, records of October 2026.