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Anthropic: Claude Fable 5 vs Google: Gemini 3.1 Flash Lite Preview

Summary

Claude Fable 5 vs Gemini 3.1 Flash Lite Preview benchmark comparison: Claude Fable 5 leads on average score with 8.7 vs 7.4. Gemini 3.1 Flash Lite Preview has the lower benchmark cost at $0.026 vs $3.165. Gemini 3.1 Flash Lite Preview is faster at 2.77s vs 17.01s, with pass rates of 82.5% vs 61.9%.

Recommended model: Gemini 3.1 Flash Lite Preview - It offers the best overall trade-off: a competitive score (7.4), lower cost than Claude Fable 5, and balanced response time.

Last updated at: 2026-06-10

Metric Claude Fable 5 Claude Fable 5 medium Release: 2026-06-10 Gemini 3.1 Flash Lite Preview Gemini 3.1 Flash Lite Preview low Release: 2026-03-03
Score 8.7 7.4
Rank #12 #51
Reliability 10.0 10.0
Consistency 9.6 10.0
Tests Correct
Attempt pass rate 82.5% 61.9%
Flaky tests 1 0
Total Runs 63 63
Cost per result 18.614 0.196
Total Cost $3.165 $0.026
Input Price $10.000 / 1M $0.250 / 1M
Output Price $50.000 / 1M $1.500 / 1M
Total Input Tokens 58,383 32,715
Output Tokens 41,340 2,286
Reasoning Tokens 10,269 9,166
Response Time (avg) 17.01s 2.77s
Response Time (max) 80.80s 11.91s
Response Time (total) 357.17s 58.12s

Generation showcase

Hamster playing table tennis

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

#12 Claude Fable 5

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

#51 Gemini 3.1 Flash Lite Preview

low
Cost
$0.002
Time
3.7s
Tokens
1,203 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 Fable 5 10.0 10.0 100.0% 0 6.20s 834 530 402
Gemini 3.1 Flash Lite Preview 8.3 10.0 75.0% 0 2.12s 506 462 1,638
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 3.1 Flash Lite Preview 5.5 10.0 33.3% 0 1.39s 8,138 660 1,060
Combined 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 33.70s 20,937 2,353 1,599
Gemini 3.1 Flash Lite Preview 3.0 10.0 0.0% 0 11.91s 8,381 225 762
Data parsing and extraction 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 7.18s 10,503 521 363
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 3.00s 7,455 291 696
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Fable 5 5.3 7.2 44.4% 1 53.40s 975 25,215 5,001
Gemini 3.1 Flash Lite Preview 5.3 10.0 33.3% 0 2.36s 641 18 1,212
General Intelligence 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 7.42s 708 366 144
Gemini 3.1 Flash Lite Preview 4.0 10.0 0.0% 0 1.54s 490 69 384
Instructions following 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 5.90s 909 139 202
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 1.49s 621 72 753
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Fable 5 7.7 10.0 66.7% 0 5.18s 894 402 324
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 1.69s 566 243 1,248
Tool Calling 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 16.96s 11,775 729 344
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 9.54s 5,757 237 993
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Fable 5 3.0 10.0 0.0% 0 25.64s 258 3,702 572
Gemini 3.1 Flash Lite Preview 3.0 10.0 0.0% 0 1.35s 160 9 420

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