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#11

Claude Opus 5

Anthropic Release: 2026-07-25 Tested on: 2026-07-25 03:44 anthropic/claude-opus-5::high
~5T total (~500B active)MoEClosedEstimated
(high) (medium) (low) (none)

Summary

Claude Opus 5 scores 9.2 on AI BENCHY and ranks #11. It has 10.0 reliability, a 84.9% pass rate, $2.835 total cost, and 20.44s 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

9.2

Consistency

9.6

Reliability

10.0

Total Cost (Current Price)

$2.835

Total Output Tokens

86,180

Total Input Tokens

135,959

Input Price

$5.000 / 1M

Output Price

$25.000 / 1M

Tests Correct

Wrong Tests: 4

Attempt pass rate: 84.9%

Flaky tests

1

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

Response Time (avg)

20.44s

Response Time (max): 159.01s

Response Time (total): 449.68s

Wrong answer: 2 Extra formatting: 1 No answer: 1

Hamster playing table tennis

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

#11 Claude Opus 5

high
Cost
$0.265
Time
144.5s
Tokens
10,741 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 02:28 Re-test 9.2 10.0 $3.070 Compare
2026-07-25 03:44 Initial run 9.2 10.0 $2.835 Current run

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price
2026-07-25 04:00 $5.000 / 1M $25.000 / 1M

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 10.0 10.0
Coding 10.0 10.0
Combined 10.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 3.6 7.2
General Intelligence 10.0 10.0
Instructions following 10.0 10.0
Puzzle Solving 10.0 10.0
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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