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Anthropic: Claude Sonnet 5 vs Google: Gemini 3.1 Flash Lite

Summary

Claude Sonnet 5 vs Gemini 3.1 Flash Lite benchmark comparison: Gemini 3.1 Flash Lite leads on average score with 6.4 vs 5.7. Gemini 3.1 Flash Lite has the lower benchmark cost at $0.028 vs $0.287. Gemini 3.1 Flash Lite is faster at 1.89s vs 4.74s, with pass rates of 42.9% vs 61.9%.

Recommended model: Gemini 3.1 Flash Lite - It has the best score here (6.4), while costing about 10.5x less than Claude Sonnet 5.

Last updated at: 2026-06-30

Metric Claude Sonnet 5 Claude Sonnet 5 none Release: 2026-06-30 Gemini 3.1 Flash Lite Gemini 3.1 Flash Lite low Release: 2026-05-08
Score 5.7 6.4
Rank #117 #87
Reliability 10.0 10.0
Consistency 8.6 9.3
Tests Correct
Attempt pass rate 42.9% 61.9%
Flaky tests 4 2
Total Runs 63 63
Cost per result 4.098 0.227
Total Cost $0.287 $0.028
Input Price $2.000 / 1M $0.250 / 1M
Output Price $10.000 / 1M $1.500 / 1M
Total Input Tokens 76,797 36,892
Output Tokens 13,325 2,732
Reasoning Tokens 0 9,260
Response Time (avg) 4.74s 1.89s
Response Time (max) 29.46s 5.66s
Response Time (total) 99.46s 39.62s

Generation showcase

Hamster playing table tennis

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

#117 Claude Sonnet 5

none
Cost
$0.061
Time
53.7s
Tokens
6,172 tok

#87 Gemini 3.1 Flash Lite

low
Cost
$0.003
Time
4.0s
Tokens
1,479 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 5 5.3 10.0 25.0% 0 3.60s 834 1,813 0
Gemini 3.1 Flash Lite 7.3 6.2 75.0% 2 1.84s 500 1,013 1,548
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 4.6 7.9 22.2% 1 3.67s 10,590 1,864 0
Gemini 3.1 Flash Lite 5.5 10.0 33.3% 0 1.53s 8,132 471 1,072
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 3.0 10.0 0.0% 0 29.46s 38,775 6,340 0
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 4.48s 12,870 348 975
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 10.0 10.0 100.0% 0 3.01s 10,503 309 0
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.44s 7,453 291 697
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 5.3 7.2 44.4% 1 3.28s 975 933 0
Gemini 3.1 Flash Lite 5.3 10.0 33.3% 0 1.52s 639 15 1,214
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 4.7 3.1 33.3% 1 2.81s 708 272 0
Gemini 3.1 Flash Lite 4.0 10.0 0.0% 0 1.37s 492 69 438
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 6.4 10.0 50.0% 0 2.58s 909 103 0
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.52s 619 72 760
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 6.0 7.4 55.6% 1 3.22s 894 778 0
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.40s 570 210 1,191
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 10.0 10.0 100.0% 0 6.80s 12,351 522 0
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 5.66s 5,457 234 945
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 3.0 10.0 0.0% 0 4.31s 258 391 0
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 1.46s 160 9 420

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