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Claude Fable 5.2 (medium) vs Gemini 3.5 Flash (low)

Claude Fable 5.2 (medium) leads on average score with 9.1 vs 9.0. Gemini 3.5 Flash (low) has the lower benchmark cost at $0.752 vs $3.582. Gemini 3.5 Flash (low) is faster at 7.85s vs 9.78s, with pass rates of 88.4% vs 85.5%.

Last updated at: 2026-11-10

Compared models

Rank
#52
Total Output Tokens
30,464
Response Time (avg)
9.78s
Total Cost
$3.582
Rank
#55
Total Output Tokens
42,730
Response Time (avg)
7.85s
Total Cost
$0.752
Recommended model Gemini 3.5 Flash (low)

Its score stays close to the best score here (9.0 vs 9.1), while costing about 4.8x less than Claude Fable 5.2 (medium).

Detailed comparison

Metric Claude Fable 5.2 Claude Fable 5.2 medium Release: 2026-11-09 Gemini 3.5 Flash Gemini 3.5 Flash low Release: 2026-05-19
Score 9.1 9.0
Rank #52 #55
Reliability 9.4 10.0
Consistency 9.3 9.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 88.4% 85.5%
Flaky tests 2 2
Total Runs 69 69
Cost per result 18.849 3.955
Total Cost $3.582 $0.752
Input Price $8.000 / 1M $1.500 / 1M
Output Price $40.000 / 1M $9.000 / 1M
Cache Read Price $0.200 / 1M $0.150 / 1M
Cache Write Price $10.000 / 1M $0.084 / 1M
Total Input Tokens 295,326 244,533
Output Tokens 9,699 3,450
Reasoning Tokens 20,765 39,280
Response Time (avg) 9.78s 7.85s
Response Time (max) 52.36s 53.74s
Response Time (total) 224.98s 180.45s
Parameters ~9.5T total (~878B active) ~500B total (~20B active)
Availability Closed Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#52 Claude Fable 5.2

medium
Cost
$0.098
Time
25.2s
Tokens
2,594 tok

#55 Gemini 3.5 Flash

low
Cost
$0.068
Time
39.1s
Tokens
7,588 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 5.2 8.2 7.2 88.9% 1 8.02s 10,608 561 3,861
Gemini 3.5 Flash 7.8 10.0 66.7% 0 6.71s 8,118 458 13,420

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