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.
- 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 →
| Job | Tokens | Cost |
|---|---|---|
| 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 →
| # | Category | Score |
|---|---|---|
| #1 | Video Auto-TaggingVideo · of 25 ranked | 123 |
Similar models
ByteDance Seed: Seed-2.0-Code
ByteDance Seed: Seed-2.0-Lite
ByteDance Seed: Seed-2.0-Mini
ByteDance Seed: Seed 1.6 Flash
ByteDance Seed: Seed 1.6
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.