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Claude Sonnet 4.6 (medium) vs GPT-5.2 Chat (default)

GPT-5.2 Chat (default) leads on average score with 7.0 vs 6.4. GPT-5.2 Chat (default) has the lower benchmark cost at $0.594 vs $2.126. GPT-5.2 Chat (default) is faster at 7.43s vs 28.08s, with pass rates of 62.3% vs 66.7%.

Last updated at: 2026-10-19

Compared models

Rank
#242
Total Output Tokens
120,427
Response Time (avg)
28.08s
Total Cost
$2.126
Rank
#184
Total Output Tokens
29,742
Response Time (avg)
7.43s
Total Cost
$0.594
Recommended model GPT-5.2 Chat (default)

It has the best score here (7.0), while costing about 3.6x less than Claude Sonnet 4.6 (medium).

Detailed comparison

Metric Claude Sonnet 4.6 Claude Sonnet 4.6 medium Release: 2026-02-17 GPT-5.2 Chat GPT-5.2 Chat default Release: 2025-12-11
Score 6.4 7.0
Rank #242 #184
Reliability 10.0 10.0
Consistency 9.1 8.7
Attempts 66/69 69/69
Tests Correct
Attempt pass rate 62.3% 66.7%
Flaky tests 1 4
Total Runs 66 69
Cost per result 15.182 4.564
Total Cost $2.126 $0.594
Input Price $3.000 / 1M $1.750 / 1M
Output Price $15.000 / 1M $14.000 / 1M
Cache Read Price $0.300 / 1M $0.175 / 1M
Cache Write Price $3.750 / 1M N/A
Total Input Tokens 106,316 101,104
Output Tokens 79,338 10,414
Reasoning Tokens 41,089 19,328
Response Time (avg) 28.08s 7.43s
Response Time (max) 140.96s 38.52s
Response Time (total) 421.15s 163.35s
Parameters ~1T total (~100B active) ~400B total (~17B 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.

#242 Claude Sonnet 4.6

medium
Reached the allocated time limit (300 seconds) without receiving showcase output.
Cost
$0.000
Time
300.0s
Tokens
0 tok

#184 GPT-5.2 Chat

default
Cost
$0.010
Time
15.3s
Tokens
797 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 Sonnet 4.6 5.7 6.6 44.4% 1 33.29s 6,995 16,089 3,686
GPT-5.2 Chat 8.8 7.8 88.9% 1 9.82s 7,305 843 5,888

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