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DeepSeek: DeepSeek V3.2 vs OpenAI: GPT-5.5

Summary

GPT-5.5 (low) leads on average score with 9.3 vs 5.3. DeepSeek V3.2 has the lower benchmark cost at $0.020 vs $0.907. GPT-5.5 (low) is faster at 9.76s vs 13.83s, with pass rates of 39.7% vs 85.7%.

Recommended modelGPT-5.5 (low)It has the strongest score in this comparison (9.3) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-07-16

Metric DeepSeek V3.2 DeepSeek V3.2 none Release: 2025-12-01 GPT-5.5 GPT-5.5 low Release: 2026-04-24
Score 5.3 9.3
Rank #157 #7
Reliability 10.0 10.0
Consistency 7.6 10.0
Tests Correct
Attempt pass rate 39.7% 85.7%
Flaky tests 6 0
Total Runs 63 63
Cost per result 0.306 5.035
Total Cost $0.020 $0.907
Input Price $0.269 / 1M $5.000 / 1M
Output Price $0.400 / 1M $30.000 / 1M
Total Input Tokens 55,997 34,209
Output Tokens 11,165 2,046
Reasoning Tokens 0 22,460
Response Time (avg) 13.83s 9.76s
Response Time (max) 115.89s 56.19s
Response Time (total) 290.43s 204.92s

Generation showcase

Hamster playing table tennis

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

#157 DeepSeek V3.2

none
Cost
$0.002
Time
7.0s
Tokens
1,046 tok

#7 GPT-5.5

low
Cost
$0.068
Time
37.0s
Tokens
2,339 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
DeepSeek V3.2 3.1 6.9 11.1% 1 14.54s 7,279 4,528 0
GPT-5.5 10.0 10.0 100.0% 0 15.04s 7,302 423 6,402

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