ByteDance Seed: Seed 2.1 Turbo is ByteDance Seed's model, and its measured tokenizer sits in ByteDance Seed's own signature group alongside its sibling models. No other maker's measured model shares it so far.
| Signal | Result | Reference |
|---|---|---|
| Tokenizer signature | Exact match with 5 other models | tk_25bf52d0 |
| API surface | No other entry shares this exact contract | api_703ca8e8 |
| Context and output | 262,144 context · 235,929 max output | declared |
| Reasoning contract | Optional | declared |
| Serving providers observed | Seed | measured 22 August 2026 |
Click a row to open the full comparison.
An x marks a row excluded as corrupt (caching or provider interference detected during measurement). Overhead subtracted: 45 prompt tokens.
Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows. It is suited for end-to-end software delivery, multi-step task execution, and understanding visual and...
Supported parameters
frequency_penaltyinclude_reasoningmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_p
defaults: {}
Cite this page as the evidence record for ByteDance Seed: Seed 2.1 Turbo: the URL is stable, measurements are dated, and revisions append to the history above. Method: tokenizer fingerprinting, v1, 50 strings.
