ByteDance Seed: Seed 2.1 Turbo
by ByteDancetext+image+video->text1 endpoint
Neura Intelligence Index
79.1/ 100
Rank
#36—
Confidence
highBenchmarks
10(26% coverage)
Overview
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 video content, with capabilities for planning, debugging, and self-correction.
Capabilities
Text generation
Image understanding
Video understanding
Tool use / Function calling
Structured output
Extended reasoning
Long context
Top-P sampling
Stop sequences
Modalities
Input
TextImageVideo
Output
Text
Technical Specifications
Context Window
262.1K tokens
Max Output
235.9K tokens
Tokenizer
Other
Uptime (24h)
10000.0%
Country
🇨🇳CN
Release Date
June 24, 20262mo
Supported Parameters
frequency_penaltyinclude_reasoningmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_p
Benchmark Performance
coding
| Benchmark | Score | Source |
|---|---|---|
| SciCode | 57.8 | verified |
| SWE-Bench Pro | 57 | verified |
reasoning
| Benchmark | Score | Source |
|---|---|---|
| Humanity's Last Exam | 54.6 | verified |
multimodal
| Benchmark | Score | Source |
|---|---|---|
| CharXiv Reasoning | 83.6 | verified |
| MMMU-Pro | 82.2 | verified |
agent
| Benchmark | Score | Source |
|---|---|---|
| BrowseComp | 84.9 | verified |
| MCP Atlas | 80.3 | verified |
| OSWorld | 76.4 | verified |
| Toolathlon | 49.1 | verified |
| APEX Agents | 29.2 | verified |