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#135

Seed-2.0-Mini

Bytedance Seed Release: 2026-02-14 Tested on: 2026-10-01 02:41 bytedance-seed/seed-2.0-mini::medium
~50B total (~5B active)MoEClosedEstimated

Summary

Seed-2.0-Mini scores 7.5 on AI BENCHY and ranks #135. It has 9.4 reliability, a 59.4% pass rate, $0.140 total cost, and 91.67s average response time.

What makes Seed-2.0-Mini unique: It stands out most in Instructions following, where it ranks #1, while Anti-AI Tricks is its weakest area at #16.

Model facts

Researched on 2026-08-12

Estimated
Parameters
~50B total (~5B 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

7.5

Consistency

9.0

Reliability

9.4

Total Cost (Current Price)

$0.140

Total Output Tokens

271,559

Total Input Tokens

313,368

Input Price

$0.100 / 1M

Output Price

$0.400 / 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: 11

Attempt pass rate: 59.4%

Flaky tests

3

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

Response Time (avg)

91.67s

Response Time (max): 301.78s

Response Time (total): 1833.43s

Wrong answer: 5 Timed out: 4 Did not follow instructions: 1 No answer: 1

Hamster playing table tennis

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

#135 Seed-2.0-Mini

medium
Cost
$0.002
Time
161.7s
Tokens
4,379 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-10-01 02:41 Re-test 7.5 9.4 $0.140 Current run
2026-07-16 23:23 New test added 7.0 8.5 $0.101 Compare
2026-06-04 14:36 New test added 6.9 6.7 $0.044 Compare
2026-05-22 00:44 Suite changed 7.1 5.0 $0.044 Compare
2026-04-11 01:44 First recorded run 7.5 N/A $0.037 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)
2026-10-01 02:41 · Current run69/69 attempts7.59.09.412/233271,559313,368$0.14091.67s
2026-07-16 23:23 · New test added66/66 attempts7.08.98.511/223220,634125,467$0.10192.53s
Difference—+0.6+0.1+0.9+10+50925+187901+$0.040-856ms

Benchmark coverage differs: 69/69 attempts (Target: 3 repeats per test) versus 66/66 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.

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
Agentic 10.0 10.0
Anti-AI Tricks 6.6 10.0
Coding 5.5 9.8
Combined 7.3 5.8
Data parsing and extraction 10.0 10.0
Domain specific 3.0 10.0
General Intelligence 5.1 3.4
Instructions following 10.0 10.0
Puzzle Solving 8.2 7.2
Tool Calling 10.0 10.0
Trivia 3.0 10.0

Compared models