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Anthropic: Claude Opus 4.8 vs Gemini 3 PRO Preview

Last updated at: 2026-05-29

Metric Claude Opus 4.8 Claude Opus 4.8 none Release: 2026-05-28 Gemini 3 PRO Preview Gemini 3 PRO Preview medium Release: 2025-11-18
Score 7.3 8.1
Rank #65 #22
Reliability 10.0 N/A
Consistency 9.2 10.0
Tests Correct
Attempt pass rate 65.0% 73.7%
Flaky tests 2 0
Total Runs 60 60
Cost per result 4.324 1.406
Total Cost $0.519 $0.197
Input Price $5.000 / 1M $0.000 / 1M
Output Price $25.000 / 1M $0.000 / 1M
Output Tokens 8,098 1,490
Reasoning Tokens 0 10,102
Response Time (avg) 3.51s 9.05s
Response Time (max) 17.73s 26.24s
Response Time (total) 70.19s 90.53s

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 6.5 10.0 50.0% 0 3.40s 1,472 0
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 14.99s 149 1,485
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 6.8 10.0 50.0% 0 3.59s 1,323 0
Gemini 3 PRO Preview 3.0 10.0 0.0% 0 0ms 0 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 9.5 10.0 100.0% 0 17.73s 3,259 0
Gemini 3 PRO Preview 3.0 10.0 0.0% 0 10.37s 351 952
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 7.3 5.8 83.3% 1 1.77s 308 0
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 10.84s 279 3,156
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 5.3 7.2 44.4% 1 1.66s 61 0
Gemini 3 PRO Preview 5.3 10.0 33.3% 0 7.01s 15 1,195
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 10.0 10.0 100.0% 0 3.48s 230 0
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 9.34s 78 374
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 9.9 10.0 100.0% 0 1.37s 95 0
Gemini 3 PRO Preview 9.8 10.0 100.0% 0 3.26s 69 754
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 7.7 10.0 66.7% 0 2.74s 783 0
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 3.88s 225 1,215
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 10.0 10.0 100.0% 0 5.35s 355 0
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 11.96s 324 971
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.8 3.0 10.0 0.0% 0 3.41s 212 0
Gemini 3 PRO Preview 0.0 0.0 0.0% 0 0ms 0 0

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