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Anthropic: Claude Opus 4.6 vs Google: Gemini 3 Flash Preview

Last updated at: 2026-04-29

Metric Claude Opus 4.6 Claude Opus 4.6 medium Release: 2026-02-05 Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17
Score 7.6 10.0
Rank #49 #1
Reliability N/A N/A
Consistency 9.1 10.0
Tests Correct
Attempt pass rate 70.4% 100.0%
Flaky tests 2 0
Total Runs 54 18
Cost per result 12.047 0.600
Total Cost $1.446 $0.108
Input Price $5.000 / 1M $0.500 / 1M
Output Price $25.000 / 1M $3.000 / 1M
Output Tokens 29,829 655
Reasoning Tokens 18,938 33,749
Response Time (avg) 21.08s 12.11s
Response Time (max) 83.40s 82.37s
Response Time (total) 231.84s 217.93s

Top Models by Score

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
Claude Opus 4.6 6.4 5.8 66.7% 2 7.45s 986 1,071
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.26s 110 1,076
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 23.11s 3,486 1,504
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 82.37s 144 16,257
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 76.66s 8,178 5,194
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 23.58s 117 3,495
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 7.37s 691 757
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 7.62s 93 2,197
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 3.0 10.0 0.0% 0 83.40s 14,642 8,687
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 14.81s 4 7,228
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 5.04s 188 292
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 6.34s 24 635
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 2.43s 266 467
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.30s 24 903
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 7.7 10.0 66.7% 0 4.60s 531 637
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.86s 61 1,455
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Opus 4.6 10.0 10.0 100.0% 0 9.73s 861 329
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 9.78s 78 503

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