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Seed-2.0-Lite vs GPT-5.6 Luna (low)

The average score is effectively tied at 6.2 vs 6.2. GPT-5.6 Luna (low) has the lower benchmark cost at $0.051 vs $0.066. Seed-2.0-Lite is faster at 4.37s vs 5.20s, with pass rates of 40.9% vs 54.5%.

Last updated at: 2026-08-20

Rank
#165
Total Output Tokens
14,744
Response Time (avg)
4.37s
Total Cost
$0.066
Rank
#167
Total Output Tokens
26,286
Response Time (avg)
5.20s
Total Cost
$0.051
Recommended model Seed-2.0-Lite

It has the strongest score in this comparison (6.2) and the best overall balance of cost and response time across all 2 models.

Detailed comparison

Metric Seed-2.0-Lite Seed-2.0-Lite none Release: 2026-02-14 GPT-5.6 Luna GPT-5.6 Luna low Release: 2026-07-09
Score 6.2 6.2
Rank #165 #167
Reliability 10.0 10.0
Consistency 8.9 8.2
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 40.9% 54.5%
Flaky tests 3 5
Total Runs 66 66
Cost per result 0.813 2.437
Total Cost $0.066 $0.051
Input Price $0.250 / 1M $0.200 / 1M
Output Price $2.000 / 1M $1.200 / 1M
Total Input Tokens 142,206 96,355
Output Tokens 14,744 8,213
Reasoning Tokens 0 18,073
Response Time (avg) 4.37s 5.20s
Response Time (max) 44.58s 19.44s
Response Time (total) 96.20s 114.46s
Parameters ~200B total (~20B active) ~400B total (~17B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#165 Seed-2.0-Lite

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

#167 GPT-5.6 Luna

low
Cost
$0.011
Time
10.2s
Tokens
1,897 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
Seed-2.0-Lite 5.6 10.0 33.3% 0 2.83s 8,215 410 0
GPT-5.6 Luna 5.5 10.0 33.3% 0 4.61s 7,302 557 3,535

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