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ByteDance Seed: Seed-2.0-Lite vs OpenAI: gpt-oss-120b

Summary

Seed-2.0-Lite vs gpt-oss-120b benchmark comparison: gpt-oss-120b leads on average score with 6.1 vs 5.8. gpt-oss-120b has the lower benchmark cost at $0.013 vs $0.019. Seed-2.0-Lite is faster at 2.49s vs 22.28s, with pass rates of 46.0% vs 52.4%.

Recommended model: Seed-2.0-Lite - Its score stays close to the best score here (5.8 vs 6.1), while responding about 9.0x faster than gpt-oss-120b.

Last updated at: 2026-06-10

Metric Seed-2.0-Lite Seed-2.0-Lite none Release: 2026-02-14 gpt-oss-120b gpt-oss-120b medium Release: 2025-08-05 Free Available
Score 5.8 6.1
Rank #111 #100
Reliability 10.0 10.0
Consistency 8.4 8.0
Tests Correct
Attempt pass rate 46.0% 52.4%
Flaky tests 4 5
Total Runs 63 63
Cost per result 0.228 0.141
Total Cost $0.019 $0.013
Input Price $0.250 / 1M $0.039 / 1M
Output Price $2.000 / 1M $0.180 / 1M
Total Input Tokens 46,573 39,084
Output Tokens 3,259 20,013
Reasoning Tokens 0 50,233
Response Time (avg) 2.49s 22.28s
Response Time (max) 6.70s 68.16s
Response Time (total) 52.26s 311.96s

Generation showcase

Hamster playing table tennis

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

#111 Seed-2.0-Lite

none
Cost
$0.005
Time
83.8s
Tokens
2,311 tok

#100 gpt-oss-120b

medium
Cost
$0.001
Time
26.7s
Tokens
555 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

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 3.0 5.9 16.7% 2 2.43s 894 709 0
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
Seed-2.0-Lite 5.6 10.0 33.3% 0 2.83s 8,215 410 0
gpt-oss-120b 5.9 7.0 55.6% 1 38.37s 7,782 3,365 11,973
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 3.0 10.0 0.0% 0 6.59s 16,215 498 0
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
Seed-2.0-Lite 10.0 10.0 100.0% 0 1.82s 8,538 246 0
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
Seed-2.0-Lite 3.6 7.2 22.2% 1 1.33s 939 17 0
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
Seed-2.0-Lite 10.0 10.0 100.0% 0 3.45s 570 294 0
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
Seed-2.0-Lite 10.0 10.0 100.0% 0 1.06s 810 73 0
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
Seed-2.0-Lite 5.3 7.2 44.4% 1 2.78s 858 709 0
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
Seed-2.0-Lite 10.0 10.0 100.0% 0 3.94s 9,270 292 0
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
Seed-2.0-Lite 3.0 10.0 0.0% 0 1.96s 264 11 0
gpt-oss-120b 3.0 10.0 0.0% 0 26.51s 312 3,101 3,758

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