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DeepSeek: DeepSeek V4 Pro vs OpenAI: gpt-oss-120b

Last updated at: 2026-06-03

Metric DeepSeek V4 Pro DeepSeek V4 Pro high Release: 2026-04-24 gpt-oss-120b gpt-oss-120b medium Release: 2025-08-05 Free Available
Score 6.1 5.9
Rank #100 #103
Reliability 8.9 10.0
Consistency 7.6 7.9
Tests Correct
Attempt pass rate 55.0% 50.0%
Flaky tests 6 5
Total Runs 60 60
Cost per result 2.660 0.151
Total Cost $0.062 $0.012
Input Price $0.435 / 1M $0.039 / 1M
Output Price $0.870 / 1M $0.180 / 1M
Total Input Tokens 30,514 36,355
Output Tokens 12,244 17,495
Reasoning Tokens 53,958 46,878
Response Time (avg) 58.92s 22.41s
Response Time (max) 358.35s 68.16s
Response Time (total) 1119.51s 291.35s

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Score vs Total Cost

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Score vs Response Time (avg)

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Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 6.4 7.9 58.3% 1 16.53s 448 71 3,617
gpt-oss-120b 6.7 9.9 50.0% 0 10.21s 1,314 3,518 2,177
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 2.7 5.7 16.7% 1 51.77s 240 105 2,641
gpt-oss-120b 3.9 5.6 33.3% 1 47.24s 5,053 847 8,618
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 65.02s 14,016 465 5,914
gpt-oss-120b 10.0 10.0 100.0% 0 31.18s 11,535 694 5,072
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 7.3 5.9 83.3% 1 23.62s 5,633 229 1,710
gpt-oss-120b 6.4 5.9 66.7% 1 1.98s 7,476 241 1,114
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 2.9 7.2 11.1% 1 205.66s 430 10,529 28,089
gpt-oss-120b 2.9 4.4 22.2% 2 50.92s 1,266 6,784 20,606
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 6.1 3.1 66.7% 1 25.09s 314 76 1,152
gpt-oss-120b 4.3 10.0 0.0% 0 7.90s 659 107 387
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 41.16s 627 205 2,416
gpt-oss-120b 9.9 10.0 100.0% 0 7.63s 1,036 126 1,799
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 5.9 7.2 55.6% 1 34.84s 544 139 4,019
gpt-oss-120b 5.3 7.2 44.4% 1 21.71s 1,190 1,790 2,264
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 21.33s 8,079 372 593
gpt-oss-120b 9.8 10.0 100.0% 0 6.91s 6,514 287 1,083
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 3.0 10.0 0.0% 0 39.14s 183 53 3,807
gpt-oss-120b 3.0 10.0 0.0% 0 26.51s 312 3,101 3,758

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