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Anthropic: Claude Fable 5 vs Google: Gemini 3 Flash Preview

Gemini 3 Flash Preview (medium) leads on average score with 9.6 vs 8.6. Gemini 3 Flash Preview (medium) has the lower benchmark cost at $0.742 vs $3.478. Claude Fable 5 (medium) is faster at 17.20s vs 19.20s, with pass rates of 78.8% vs 98.5%.

Recommended modelGemini 3 Flash Preview (medium)It has the best score here (9.6), while costing about 4.7x less than Claude Fable 5 (medium).

Last updated at: 2026-07-25

Metric Claude Fable 5 Claude Fable 5 medium Release: 2026-06-10 Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17
Score 8.6 9.6
Rank #22 #3
Reliability 10.0 10.0
Consistency 9.6 9.7
Tests Correct
Attempt pass rate 78.8% 98.5%
Flaky tests 1 1
Total Runs 66 66
Cost per result 20.459 3.533
Total Cost $3.478 $0.742
Input Price $10.000 / 1M $0.500 / 1M
Output Price $50.000 / 1M $3.000 / 1M
Total Input Tokens 89,643 87,861
Output Tokens 41,360 5,486
Reasoning Tokens 10,269 227,164
Response Time (avg) 17.20s 19.20s
Response Time (max) 80.80s 117.26s
Response Time (total) 378.41s 422.42s

Hamster playing table tennis

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

#22 Claude Fable 5

medium
Cost
$0.606
Time
156.7s
Tokens
12,264 tok

#3 Gemini 3 Flash Preview

medium
Cost
$0.010
Time
18.4s
Tokens
3,351 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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Fable 5 10.0 10.0 100.0% 0 15.59s 10,590 7,383 1,318
Gemini 3 Flash Preview 8.6 7.6 88.9% 1 84.40s 8,122 462 161,084

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