bytedance-seed

ByteDance Seed: Seed 2.1 Turbo

The ByteDance Seed 2.1 Turbo is a versatile AI model capable of processing text, images, and videos, making it suitable for multimedia applications. It boasts an extensive context length of up to 262,144 tokens and supports reasoning, allowing complex problem-solving capabilities. While it does not offer structured output or open-source weights, it excels in handling diverse input modalities. Given its pricing at $0.5 per million input tokens and $2.5 per million output tokens, Seed 2.1 Turbo is cost-effective for projects requiring image and video analysis alongside text processing. However, with no independent benchmark coverage to date, its performance relative to other models remains unproven. For those prioritizing a robust set of modalities and reasoning abilities within a budget-friendly price range, this model warrants consideration.

Quality Score
100/100
price + capability + benchmarks
Input Price
$0.50
per 1M tokens
Output Price
$2.50
per 1M tokens
Context Window
262,144
tokens
Model ID
bytedance-seed/seed-2-1-turbo
Vendor
bytedance-seed
Released
August 2026
Tokenizer
Other
Input Modalities
text, image, video
Output Modalities
text
Max Output
262,144 tokens
Tool Calling
✓ supported
Structured Output
✓ supported
Reasoning Mode
✓ supported
Vision
✓ accepts images
Audio
no
Moderated
no

What it costs in practice

Computed from the current $0.50/M input and $2.50/M output rates. Run your own numbers →

JobTokensCost
Summarize a 50-page report 30k in / 1.5k out $0.02
Classify 1,000 customer emails 500k in / 50k out $0.38
A month of a busy support chatbot 5M in / 2M out $7.50

Strong choice for

Category rankings

Where ByteDance Seed: Seed 2.1 Turbo places across the 1 category it ranks in. How we rank →

#CategoryScore
#1 Video Auto-TaggingVideo · of 25 ranked 123

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Quick answers

How much does ByteDance Seed: Seed 2.1 Turbo cost?
$0.50 per million input tokens and $2.50 per million output tokens.
What is ByteDance Seed: Seed 2.1 Turbo's context window?
262,144 tokens, roughly 393 pages of text in a single request.
Does ByteDance Seed: Seed 2.1 Turbo support tool calling?
It supports tool calling, structured output, a reasoning mode.
Can ByteDance Seed: Seed 2.1 Turbo process images?
Yes, it accepts image input.