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#63

Claude Opus 4.6

Anthropic Release: 2026-02-05 Tested on: 2026-05-22 00:17 anthropic/claude-opus-4.6::medium
~5T total (~500B active)MoEClosedEstimated

Summary

Claude Opus 4.6 scores 7.2 on AI BENCHY and ranks #63. It has 10.0 reliability, a 63.3% pass rate, $1.896 total cost, and 25.44s average response time.

Model facts

Researched on 2026-08-12

Estimated
Parameters
~5T total (~500B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. External industry estimate; vendor has not disclosed the architecture.

Parameter source Availability source

Score

7.2

Consistency

9.1

Reliability

10.0

Total Cost (Current Price)

$1.896

Total Output Tokens

65,814

Total Input Tokens

0

Input Price

$5.000 / 1M

Output Price

$25.000 / 1M

Tests Correct

Wrong Tests: 8

Attempt pass rate: 63.3%

Flaky tests

2

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

25.44s

Response Time (max): 83.40s

Response Time (total): 330.70s

Extra formatting: 4 Wrong answer: 3 Did not follow instructions: 1

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#63 Claude Opus 4.6

medium
Invalid SVG
Cost
$0.000
Time
300.0s
Tokens
0 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 02:08 Re-test 7.7 10.0 $2.961 Compare
2026-07-16 22:31 New test added 7.7 10.0 $3.059 Compare
2026-06-04 13:45 New test added 7.0 10.0 $2.053 Compare
2026-05-22 00:17 Suite changed 7.2 10.0 $1.896 Current run
2026-04-11 01:44 First recorded run 7.6 N/A $1.446 Compare

This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

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Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 6.4 5.8
Coding 7.2 9.8
Combined 10.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 3.0 10.0
General Intelligence 10.0 10.0
Instructions following 10.0 10.0
Puzzle Solving 7.7 10.0
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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