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Google: Gemini 2.5 Flash vs Anthropic: Claude Opus 4.6

Last updated at: 2026-04-20

Metric Gemini 2.5 Flash Gemini 2.5 Flash medium Release: 2025-06-17 Claude Opus 4.6 Claude Opus 4.6 medium Release: 2026-02-05
Score 8.2 7.6
Rank #15 #37
Consistency 9.5 9.1
Tests Correct
Attempt pass rate 75.9% 70.4%
Flaky tests 1 2
Total Runs 54 54
Cost per result 2.454 12.047
Total Cost $0.319 $1.446
Input Price $0.300 / 1M $5.000 / 1M
Output Price $2.500 / 1M $25.000 / 1M
Output Tokens 1,898 29,829
Reasoning Tokens 122,273 18,938
Response Time (avg) 12.12s 21.08s
Response Time (max) 95.48s 83.40s
Response Time (total) 218.12s 231.84s

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Score vs Total Cost

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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
Gemini 2.5 Flash 8.4 10.0 75.0% 0 6.30s 255 10,233
Claude Opus 4.6 6.4 5.8 66.7% 2 7.45s 986 1,071
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 2.5 Flash 10.0 10.0 100.0% 0 16.23s 522 10,350
Claude Opus 4.6 10.0 10.0 100.0% 0 23.11s 3,486 1,504
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 2.5 Flash 10.0 10.0 100.0% 0 28.44s 303 11,922
Claude Opus 4.6 10.0 10.0 100.0% 0 76.66s 8,178 5,194
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 2.5 Flash 10.0 10.0 100.0% 0 4.06s 279 2,325
Claude Opus 4.6 10.0 10.0 100.0% 0 7.37s 691 757
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 2.5 Flash 5.9 7.2 55.6% 1 37.34s 18 80,702
Claude Opus 4.6 3.0 10.0 0.0% 0 83.40s 14,642 8,687
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 2.5 Flash 4.8 10.0 0.0% 0 4.86s 92 1,899
Claude Opus 4.6 10.0 10.0 100.0% 0 5.04s 188 292
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 2.5 Flash 9.8 10.0 100.0% 0 2.62s 69 1,203
Claude Opus 4.6 10.0 10.0 100.0% 0 2.43s 266 467
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 2.5 Flash 7.7 10.0 66.7% 0 3.94s 126 2,499
Claude Opus 4.6 7.7 10.0 66.7% 0 4.60s 531 637
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 2.5 Flash 10.0 10.0 100.0% 0 6.20s 234 1,140
Claude Opus 4.6 10.0 10.0 100.0% 0 9.73s 861 329

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