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

Last updated at: 2026-04-14

Metric Claude Sonnet 4.6 Claude Sonnet 4.6 medium Release: 2026-02-17 Gemini 3 Flash Preview Gemini 3 Flash Preview low Release: 2025-12-17
Score 8.0 8.8
Rank #24 #3
Consistency 9.5 9.5
Tests Correct
Attempt pass rate 74.1% 85.2%
Flaky tests 1 1
Total Runs 54 54
Cost per result 8.930 0.604
Total Cost $1.161 $0.091
Input Price $3.000 / 1M $0.500 / 1M
Output Price $15.000 / 1M $3.000 / 1M
Output Tokens 42,068 2,018
Reasoning Tokens 26,784 23,273
Response Time (avg) 12.66s 6.01s
Response Time (max) 46.35s 14.72s
Response Time (total) 126.62s 108.12s

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Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 6.5 10.0 50.0% 0 2.98s 1,046 1,093
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.48s 281 3,082
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 35.76s 6,894 2,097
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 6.94s 426 2,717
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 46.35s 5,871 3,962
Gemini 3 Flash Preview 3.0 10.0 0.0% 0 3.27s 326 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 13.90s 649 742
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 9.40s 279 3,656
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 2.9 7.2 11.1% 1 0ms 25,790 16,919
Gemini 3 Flash Preview 5.3 7.2 44.4% 1 8.05s 12 6,410
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 4.94s 256 433
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.68s 120 981
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 2.61s 318 552
Gemini 3 Flash Preview 9.9 10.0 100.0% 0 7.02s 71 2,752
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 4.80s 589 635
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 6.11s 269 3,260
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 7.48s 655 351
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.99s 234 415

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