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#19

Seed-2.0-Lite

Bytedance Seed Release: 2026-02-14 Tested on: 2026-06-04 14:30 bytedance-seed/seed-2.0-lite::medium
~200B total (~20B active)MoEClosedEstimated
(medium) (none)

Summary

Seed-2.0-Lite scores 8.2 on AI BENCHY and ranks #19. It has 10.0 reliability, a 76.2% pass rate, $0.175 total cost, and 47.07s average response time.

What makes Seed-2.0-Lite unique: Its total benchmark cost is unusually low for its score range.

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.

Parameter source Availability source

Score

8.2

Consistency

9.0

Reliability

10.0

Total Cost (Current Price)

$0.175

Total Output Tokens

81,636

Total Input Tokens

46,740

Input Price

$0.250 / 1M

Output Price

$2.000 / 1M

Cache Read Price

N/A

Cache Write Price

N/A

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Tests Correct

Wrong Tests: 7

Attempt pass rate: 76.2%

Flaky tests

3

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

Response Time (avg)

47.07s

Response Time (max): 254.92s

Response Time (total): 988.37s

Wrong answer: 5 Did not follow instructions: 2

Hamster playing table tennis

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

#19 Seed-2.0-Lite

medium
Cost
$0.005
Time
86.7s
Tokens
2,354 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 02:58 Re-test 7.8 10.0 $0.236 Compare
2026-07-16 23:12 New test added 7.9 10.0 $0.234 Compare
2026-06-04 14:30 New test added 8.2 10.0 $0.175 Current run
2026-05-22 00:37 Re-test 8.1 10.0 $0.153 Compare
2026-04-11 01:44 First recorded run 8.6 N/A $0.121 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)
2026-06-04 14:30 · New test added63/63 attempts8.29.010.014/21381,63646,740$0.17547.07s
2026-04-11 01:44 · First recorded run54/54 attempts8.68.8N/A13/18355,2990$0.12130.37s
Difference—-0.4+0.2+10+26337+46740+$0.055+16692ms

Benchmark coverage differs: 63/63 attempts (Target: 3 repeats per test) versus 54/54 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 Cache Read Price Cache Write Price
2026-06-04 14:42 $0.250 / 1M $2.000 / 1M N/A N/A

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

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Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 8.3 10.0
Coding 8.0 9.8
Combined 10.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 5.9 7.2
General Intelligence 6.7 3.6
Instructions following 10.0 10.0
Puzzle Solving 9.0 7.9
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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