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ByteDance Seed: Seed-2.0-Lite vs OpenAI: GPT-5 Nano

Last updated at: 2026-04-26

Metric Seed-2.0-Lite Seed-2.0-Lite none Release: 2026-02-14 GPT-5 Nano GPT-5 Nano medium Release: 2025-08-07
Score 6.2 6.3
Rank #72 #68
Reliability N/A N/A
Consistency 7.7 6.5
Tests Correct
Attempt pass rate 55.6% 59.3%
Flaky tests 5 8
Total Runs 54 54
Cost per result 0.200 0.942
Total Cost $0.016 $0.066
Input Price $0.250 / 1M $0.050 / 1M
Output Price $2.000 / 1M $0.400 / 1M
Output Tokens 3,129 4,980
Reasoning Tokens 0 156,288
Response Time (avg) 2.53s 44.13s
Response Time (max) 6.70s 204.02s
Response Time (total) 45.46s 485.47s

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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) Output Tokens Reasoning Tokens
Seed-2.0-Lite 3.0 5.9 16.7% 2 2.43s 709 0
GPT-5 Nano 6.5 7.9 58.3% 1 25.50s 1,221 21,184
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 4.61s 380 0
GPT-5 Nano 6.7 3.5 66.7% 1 40.73s 480 12,992
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 3.0 10.0 0.0% 0 6.59s 498 0
GPT-5 Nano 10.0 10.0 100.0% 0 65.96s 578 17,984
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 1.82s 246 0
GPT-5 Nano 3.7 1.7 50.0% 2 21.42s 453 10,560
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 3.6 7.2 22.2% 1 1.33s 17 0
GPT-5 Nano 5.2 4.4 55.6% 2 204.02s 237 64,448
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 3.45s 294 0
GPT-5 Nano 4.1 10.0 0.0% 0 17.51s 202 4,608
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 1.06s 73 0
GPT-5 Nano 8.5 6.8 83.3% 1 11.90s 382 4,096
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 5.2 4.4 55.6% 2 2.46s 620 0
GPT-5 Nano 5.3 7.2 44.4% 1 19.81s 869 13,440
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 3.94s 292 0
GPT-5 Nano 10.0 10.0 100.0% 0 33.30s 558 6,976

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