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

Summary

Claude Sonnet 4.6 vs Gemini 3 Flash Preview benchmark comparison: Gemini 3 Flash Preview leads on average score with 7.4 vs 7.3. Gemini 3 Flash Preview has the lower benchmark cost at $0.111 vs $0.316. Claude Sonnet 4.6 is faster at 5.04s vs 5.76s, with pass rates of 55.6% vs 79.4%.

Recommended model: Gemini 3 Flash Preview - It has the best score here (7.4), while costing about 2.9x less than Claude Sonnet 4.6.

Last updated at: 2026-06-12

Metric Claude Sonnet 4.6 Claude Sonnet 4.6 none Release: 2026-02-17 Gemini 3 Flash Preview Gemini 3 Flash Preview low Release: 2025-12-17
Score 7.3 7.4
Rank #56 #53
Reliability 10.0 10.0
Consistency 9.7 9.2
Tests Correct
Attempt pass rate 55.6% 79.4%
Flaky tests 1 2
Total Runs 63 63
Cost per result 2.870 0.689
Total Cost $0.316 $0.111
Input Price $3.000 / 1M $0.500 / 1M
Output Price $15.000 / 1M $3.000 / 1M
Total Input Tokens 57,886 36,769
Output Tokens 9,465 2,076
Reasoning Tokens 0 28,518
Response Time (avg) 5.04s 5.76s
Response Time (max) 23.84s 14.72s
Response Time (total) 70.60s 120.93s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#56 Claude Sonnet 4.6

none
Cost
$0.038
Time
27.3s
Tokens
2,598 tok

#53 Gemini 3 Flash Preview

low
Cost
$0.007
Time
12.1s
Tokens
2,289 tok

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) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 4.8 10.0 25.0% 0 2.94s 636 1,214 0
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.48s 500 281 3,082
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 5.5 10.0 33.3% 0 5.19s 8,522 2,127 0
Gemini 3 Flash Preview 5.8 7.2 44.4% 1 6.00s 8,122 456 7,421
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 9.5 10.0 100.0% 0 23.84s 26,024 3,766 0
Gemini 3 Flash Preview 3.0 10.0 0.0% 0 3.27s 12,860 326 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 3.43s 8,574 252 0
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 9.40s 7,261 279 3,656
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 7.7 10.0 66.7% 0 3.54s 759 413 0
Gemini 3 Flash Preview 5.3 7.2 44.4% 1 8.05s 645 12 6,410
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 6.1 3.1 66.7% 1 2.56s 513 192 0
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.68s 492 120 981
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 6.5 10.0 50.0% 0 1.96s 690 90 0
Gemini 3 Flash Preview 9.9 10.0 100.0% 0 7.02s 621 71 2,752
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 7.7 10.0 66.7% 0 2.53s 663 533 0
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.77s 562 288 3,168
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 4.11s 11,301 447 0
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.99s 5,550 234 415
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 3.0 10.0 0.0% 0 4.67s 204 431 0
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 2.75s 156 9 633

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