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#12

Claude Opus 4.8

Anthropic Release: 2026-05-28 Tested on: 2026-05-28 17:34 anthropic/claude-opus-4.8::medium
(medium) (none)

Score

8.7

Consistency

9.6

Reliability

10.0

Total Cost (Current Price)

$1.006

Total Output Tokens

29,102

Input Price

$5.000 / 1M

Output Price

$25.000 / 1M

Tests Correct

Wrong Tests: 4

Attempt pass rate: 83.3%

Flaky tests

1

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

Response Time (avg)

9.34s

Response Time (max): 38.03s

Response Time (total): 186.84s

Wrong answer: 3 No answer: 1

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price
2026-05-28 17:42 $5.000 / 1M $25.000 / 1M

Charts

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Total Output Tokens

Score vs Total Output Tokens

Quick Compare

Claude Opus 4.8mediumvsGemini 3.5 FlashnoneClaude Opus 4.8mediumvsGemini 3 Flash PreviewlowClaude Opus 4.8mediumvsGPT-5.5lowClaude Opus 4.8mediumvsGemini 3 Flash PreviewmediumClaude Opus 4.8mediumvsGemini 3.5 FlashhighClaude Opus 4.8mediumvsRing-2.6-1TmediumClaude Opus 4.8mediumvsGemini 3.5 Flashlow

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 10.0 10.0
Coding 10.0 10.0
Combined 9.8 10.0
Data parsing and extraction 7.1 5.6
Domain specific 5.3 10.0
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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