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Sourced model profile · Current through July 21, 2026

Claude Opus 4.7

A closed-weight Anthropic API model documented for question answering and language generation work.

Developed byAnthropic
Released
April 16, 2026

What the evidence says

These facts come from the reviewed Epoch AI catalog artifact and its linked primary record. They describe the model. They do not rank it.

Developer [1]
Anthropic
Released [1]
April 16, 2026
Domains [1]
Language
Tasks [1]
Question answering · Language modeling/generation
Access [1]
API access
Weights [1]
Closed

Where it may fit

These are evidence-bounded screening suggestions, not performance claims or purchase recommendations.

Hosted question answering

Consider it for hosted workflows where question answering is the documented task and API access fits the deployment.

Evidence fields: tasks, access [1]

Managed language generation

Consider it for API-based language generation where self-hosted weights are not a requirement.

Evidence fields: tasks, access, openWeights [1]

Limitations

The record does not provide context window, price, latency, benchmark results, or safety evaluations, and no exact-match Arena rating exists for it. The listed tasks describe scope, not measured quality.

Current standing

According to the LMArena snapshot published July 16, 2026, no exact match for this catalog record appears in the style-controlled text category, so this page reports no current rating for Claude Opus 4.7.

Across the boards

Each card below is one named authority's own current view of Claude Opus 4.7. Model Gauntlet mirrors these sources with attribution and does not combine them into a single score or rank Claude Opus 4.7 across them.

LMArena overall

Human preference, style-controlled text

LMArena rating
1493.7
Board rank
#6
Reported interval
1489.5 to 1497.9
Battles
50,890

Published July 20, 2026. LMArena leaderboard dataset, CC-BY-4.0.

Overall leaderboard →

LMArena coding arena

Human preference, coding arena

LMArena rating
1548.7
Board rank
#3
Reported interval
1542.2 to 1555.2
Battles
14,491

Published July 20, 2026. LMArena leaderboard dataset, CC-BY-4.0.

Coding arena board →

LMArena creative writing arena

Human preference, creative writing arena

LMArena rating
1482.6
Board rank
#5
Reported interval
1474.7 to 1490.4
Battles
8,647

Published July 20, 2026. LMArena leaderboard dataset, CC-BY-4.0.

Creative writing arena board →

LMArena instruction following arena

Human preference, instruction following arena

LMArena rating
1492.9
Board rank
#6
Reported interval
1486.9 to 1499.0
Battles
17,352

Published July 20, 2026. LMArena leaderboard dataset, CC-BY-4.0.

Instruction following arena board →

LMArena hard prompts arena

Human preference, hard prompts arena

LMArena rating
1519.1
Board rank
#5
Reported interval
1514.1 to 1524.2
Battles
33,785

Published July 20, 2026. LMArena leaderboard dataset, CC-BY-4.0.

Hard prompts arena board →

LMArena multi-turn arena

Human preference, multi-turn arena

LMArena rating
1518.8
Board rank
#1
Reported interval
1511.1 to 1526.4
Battles
9,076

Published July 20, 2026. LMArena leaderboard dataset, CC-BY-4.0.

Multi-turn arena board →

LMArena long queries arena

Human preference, long queries arena

LMArena rating
1508.8
Board rank
#5
Reported interval
1502.9 to 1514.7
Battles
22,653

Published July 20, 2026. LMArena leaderboard dataset, CC-BY-4.0.

Long queries arena board →

LMArena math arena

Human preference, math arena

LMArena rating
1493.4
Board rank
#10
Reported interval
1481.2 to 1505.6
Battles
2,627

Published July 20, 2026. LMArena leaderboard dataset, CC-BY-4.0.

Math arena board →

LMArena vision arena

Human preference, vision arena

LMArena rating
1315.5
Board rank
#4
Reported interval
1308.5 to 1322.5
Battles
19,049

Published July 12, 2026. LMArena leaderboard dataset, CC-BY-4.0.

Vision arena board →

LMArena web development arena

Human preference, web development arena

LMArena rating
1561.9
Board rank
#2
Reported interval
1549.8 to 1574.0
Battles
2,999

Published May 4, 2026. LMArena leaderboard dataset, CC-BY-4.0.

Web development arena board →

LMArena search arena

Human preference, search arena

LMArena rating
1234.9
Board rank
#3
Reported interval
1229.3 to 1240.4
Battles
62,037

Published July 12, 2026. LMArena leaderboard dataset, CC-BY-4.0.

Search arena board →

LMArena document arena

Human preference, document arena

LMArena rating
1501.2
Board rank
#5
Reported interval
1494.7 to 1507.7
Battles
18,185

Published July 12, 2026. LMArena leaderboard dataset, CC-BY-4.0.

Document arena board →

EQ-Bench 3

Emotional intelligence

Judge Elo
1460.9
Source rank
#1
Source label
claude-opus-4-7

EQ-Bench 3 is a single-source subjective judge-based pairwise Elo for emotional-intelligence roleplays, appropriate only for that lane.

Source last updated May 10, 2026. EQ-Bench 3 canonical Elo leaderboard, EQ-bench/eqbench3, MIT.

EQ-Bench 3 source ↗