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#40

Claude Opus 4.6

Anthropic Release: 2026-02-05 Tested on: 2026-07-16 22:31 anthropic/claude-opus-4.6::medium
~5T total (~500B active)MoEClosedEstimated

Summary

Claude Opus 4.6 scores 7.7 on AI BENCHY and ranks #40. It has 10.0 reliability, a 63.6% pass rate, $3.059 total cost, and 34.27s average response time.

Archived model: this model is no longer updated or tested on new tests.

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.

Score

7.7

Consistency

8.8

Total Output Tokens

100,601

Total Input Tokens

108,615

Input Price

$5.000 / 1M

Output Price

$25.000 / 1M

Cache Read Price

N/A

Cache Write Price

N/A

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Tests Correct

Wrong Tests: 9

Attempt pass rate: 63.6%

Flaky tests

3

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

Response Time (avg)

34.27s

Response Time (max): 151.51s

Response Time (total): 513.99s

Hamster playing table tennis

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

#40 Claude Opus 4.6

medium
Reached the allocated time limit (300 seconds) without receiving showcase output.
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 Current run
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 Compare
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.

Run comparison

RunBenchmark coverageScoreConsistencyReliabilityTests CorrectFlaky testsTotal Output TokensTotal Input TokensTotal CostResponse Time (avg)
2026-07-16 22:31 · New test added66/66 attempts7.78.810.013/223100,601108,615$3.05934.27s
2026-08-14 02:08 · Re-test66/66 attempts7.78.810.013/22396,722108,573$2.96132.23s
Difference—0.00.00.000+3879+42+$0.098+2038ms

These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price Cache Read Price Cache Write Price
2026-06-04 15:40 $5.000 / 1M $25.000 / 1M N/A N/A

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

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 6.4 5.8
Coding 5.7 7.1
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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