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#37

Seed 2.1 Turbo

Bytedance Seed Release: 2026-08-12 Tested on: 2026-08-12 22:48 bytedance-seed/seed-2-1-turbo::medium
~200B total (~20B active)MoEClosedEstimated
(high) (medium) (low) (none)

Summary

Seed 2.1 Turbo scores 8.4 on AI BENCHY and ranks #37. It has 9.9 reliability, a 78.8% pass rate, $1.969 total cost, and 197.04s average response time.

What makes Seed 2.1 Turbo unique: It uses unusually many reasoning tokens, which can help explain its slower or more expensive runs.

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. The exact API checkpoint is closed and its architecture and parameter counts are not disclosed; estimate follows the Seed2 production tier.

Parameter source Availability source

Score

8.4

Consistency

8.2

Reliability

9.9

Total Cost (Current Price)

$1.969

Total Output Tokens

766,465

Total Input Tokens

104,424

Input Price

$0.500 / 1M

Output Price

$2.500 / 1M

Tests Correct

Wrong Tests: 7

Attempt pass rate: 78.8%

Flaky tests

5

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

Response Time (avg)

197.04s

Response Time (max): 885.33s

Response Time (total): 4334.80s

Wrong answer: 4 No answer: 2 Did not follow instructions: 1

Hamster playing table tennis

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

#37 Seed 2.1 Turbo

medium
Cost
$0.099
Time
583.9s
Tokens
39,514 tok

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price
2026-08-12 23:12 $0.500 / 1M $2.500 / 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

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Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 8.2 7.9
Coding 8.2 7.2
Combined 10.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 2.9 4.4
General Intelligence 6.1 3.1
Instructions following 9.8 10.0
Puzzle Solving 9.9 10.0
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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