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Claude Fable 5.2 (xhigh) vs Gemini 3 Flash Preview (medium)

Claude Fable 5.2 (xhigh) leads on average score with 9.6 vs 9.6. Gemini 3 Flash Preview (medium) has the lower benchmark cost at $0.876 vs $10.319. Gemini 3 Flash Preview (medium) is faster at 21.57s vs 33.44s, with pass rates of 94.2% vs 94.2%.

Last updated at: 2026-11-10

Compared models

Rank
#13
Total Output Tokens
188,726
Response Time (avg)
33.44s
Total Cost
$10.319
Rank
#16
Total Output Tokens
252,536
Response Time (avg)
21.57s
Total Cost
$0.876
Recommended model Gemini 3 Flash Preview (medium)

Its score stays close to the best score here (9.6 vs 9.6), while costing about 11.8x less than Claude Fable 5.2 (xhigh).

Detailed comparison

Metric Claude Fable 5.2 Claude Fable 5.2 xhigh Release: 2026-11-09 Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17
Score 9.6 9.6
Rank #13 #16
Reliability 9.2 10.0
Consistency 9.6 9.7
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 94.2% 94.2%
Flaky tests 1 1
Total Runs 69 69
Cost per result 49.137 4.169
Total Cost $10.319 $0.876
Input Price $8.000 / 1M $0.500 / 1M
Output Price $40.000 / 1M $3.000 / 1M
Cache Read Price $0.200 / 1M $0.050 / 1M
Cache Write Price $10.000 / 1M $0.084 / 1M
Total Input Tokens 346,216 235,726
Output Tokens 10,245 6,669
Reasoning Tokens 178,481 245,867
Response Time (avg) 33.44s 21.57s
Response Time (max) 440.05s 117.26s
Response Time (total) 769.21s 496.12s
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.

#13 Claude Fable 5.2

xhigh
Reached the allocated time limit (600 seconds) without receiving showcase output.
Cost
$0.000
Time
600.0s
Tokens
0 tok

#16 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 5.2 10.0 10.0 100.0% 0 12.97s 10,608 553 9,868
Gemini 3 Flash Preview 8.6 7.6 88.9% 1 84.40s 8,122 462 161,084

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