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Claude Fable 5.2 (high) vs GPT-5.2 (medium)

The average score is effectively tied at 8.7 vs 8.7. GPT-5.2 (medium) has the lower benchmark cost at $1.558 vs $5.083. Claude Fable 5.2 (high) is faster at 14.73s vs 31.29s, with pass rates of 87.0% vs 73.9%.

Last updated at: 2026-11-10

Compared models

Rank
#85
Total Output Tokens
63,226
Response Time (avg)
14.73s
Total Cost
$5.083
Rank
#80
Total Output Tokens
80,538
Response Time (avg)
31.29s
Total Cost
$1.558
Recommended model GPT-5.2 (medium)

It has the best score here (8.7), while costing about 3.3x less than Claude Fable 5.2 (high).

Detailed comparison

Metric Claude Fable 5.2 Claude Fable 5.2 high Release: 2026-11-09 GPT-5.2 GPT-5.2 medium Release: 2025-12-11
Score 8.7 8.7
Rank #85 #80
Reliability 9.6 10.0
Consistency 9.3 8.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 87.0% 73.9%
Flaky tests 2 4
Total Runs 69 69
Cost per result 26.752 10.261
Total Cost $5.083 $1.558
Input Price $8.000 / 1M $1.750 / 1M
Output Price $40.000 / 1M $14.000 / 1M
Cache Read Price $0.200 / 1M $0.175 / 1M
Cache Write Price $10.000 / 1M N/A
Total Input Tokens 319,219 235,207
Output Tokens 10,244 11,065
Reasoning Tokens 52,982 69,473
Response Time (avg) 14.73s 31.29s
Response Time (max) 84.72s 116.86s
Response Time (total) 338.82s 531.98s
Parameters ~9.5T total (~878B active) ~1.2T total (~80B 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.

#85 Claude Fable 5.2

high
Cost
$0.701
Time
204.4s
Tokens
17,664 tok

#80 GPT-5.2

medium
Cost
$0.047
Time
49.2s
Tokens
3,396 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 6.0 7.4 55.6% 1 8.21s 10,608 558 4,605
GPT-5.2 10.0 10.0 100.0% 0 22.73s 7,302 511 11,912

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