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#109

Seed-2.0-Lite

Bytedance Seed Release: 2026-02-14 Tested on: 2026-07-16 23:10 bytedance-seed/seed-2.0-lite::none
~200B total (~20B active)MoEClosedEstimated
(medium) (none)

Summary

Seed-2.0-Lite scores 6.2 on AI BENCHY and ranks #109. It has 10.0 reliability, a 43.9% pass rate, $0.066 total cost, and 4.40s average response time.

What makes Seed-2.0-Lite unique: Its total benchmark cost is unusually low for its score range. It is notably fast compared with similar models.

Model facts

Researched on 2026-08-12

Estimated
Parameters
~200B total (~20B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. Seed2 tiers are public, but their parameter counts are not.

Score

6.2

Consistency

8.5

Total Output Tokens

14,746

Total Input Tokens

142,197

Input Price

$0.250 / 1M

Output Price

$2.000 / 1M

Tests Correct

Wrong Tests: 14

Attempt pass rate: 43.9%

Flaky tests

4

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

4.40s

Response Time (max): 44.58s

Response Time (total): 96.84s

Hamster playing table tennis

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

#109 Seed-2.0-Lite

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

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 02:57 Re-test 6.2 10.0 $0.066 Compare
2026-07-16 23:10 New test added 6.2 10.0 $0.066 Current run
2026-06-04 14:17 New test added 5.8 10.0 $0.019 Compare
2026-05-22 00:33 Suite changed 5.9 10.0 $0.018 Compare
2026-04-11 01:44 First recorded run 6.2 N/A $0.016 Compare

This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.

Run comparison

RunBenchmark coverageScoreConsistencyReliabilityTests CorrectFlaky testsTotal Output TokensTotal Input TokensTotal CostResponse Time (avg)
2026-07-16 23:10 · New test added66/66 attempts6.28.510.08/22414,746142,197$0.0664.40s
2026-06-04 14:17 · New test added63/63 attempts5.88.410.08/2143,25946,573$0.0192.49s
Difference+0.4+0.10.000+11487+95624+$0.047+1913ms

Benchmark coverage differs: 66/66 attempts (Target: 3 repeats per test) versus 63/63 attempts (Target: 3 repeats per test). Totals and repeat-sensitive metrics are not directly comparable.

These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price
2026-06-04 15:40 $0.250 / 1M $2.000 / 1M

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 3.0 5.9
Coding 5.6 10.0
Combined 3.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 3.6 7.2
General Intelligence 10.0 10.0
Instructions following 10.0 10.0
Puzzle Solving 5.3 7.2
Tool Calling 10.0 10.0
Trivia 3.0 10.0

Compared models