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Claude Fable 5.2 (medium) vs Gemini 4 Carbon (low)

Claude Fable 5.2 (medium) leads on average score with 9.1 vs 9.0. Gemini 4 Carbon (low) has the lower benchmark cost at $0.391 vs $3.582. Claude Fable 5.2 (medium) is faster at 9.78s vs 11.01s, with pass rates of 88.4% vs 88.4%.

Last updated at: 2026-11-13

Compared models

Rank
#58
Total Output Tokens
30,464
Response Time (avg)
9.78s
Total Cost
$3.582
Rank
#64
Total Output Tokens
8,283
Response Time (avg)
11.01s
Total Cost
$0.391
Recommended model Gemini 4 Carbon (low)

Its score stays close to the best score here (9.0 vs 9.1), while costing about 9.2x less than Claude Fable 5.2 (medium).

Detailed comparison

Metric Claude Fable 5.2 Claude Fable 5.2 medium Release: 2026-11-09 Gemini 4 Carbon Gemini 4 Carbon low Release: 2026-11-12
Score 9.1 9.0
Rank #58 #64
Reliability 9.4 8.9
Consistency 9.3 8.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 88.4% 88.4%
Flaky tests 2 3
Total Runs 69 69
Cost per result 18.849 2.056
Total Cost $3.582 $0.391
Input Price $8.000 / 1M $2.000 / 1M
Output Price $40.000 / 1M $10.000 / 1M
Cache Read Price $0.200 / 1M $0.100 / 1M
Cache Write Price $10.000 / 1M $0.188 / 1M
Total Input Tokens 295,326 153,838
Output Tokens 9,699 6,041
Reasoning Tokens 20,765 2,242
Response Time (avg) 9.78s 11.01s
Response Time (max) 52.36s 78.43s
Response Time (total) 224.98s 253.17s
Parameters ~9.5T total (~878B active) ~1.2T 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.

#58 Claude Fable 5.2

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

#64 Gemini 4 Carbon

low
Invalid SVG
Cost
$0.038
Time
51.9s
Tokens
3,862 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 4 Carbon 10.0 10.0 100.0% 0 7.82s 8,448 498 1,538

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