Skip to main content
AITier

Seed 2.1 Turbo

ByteDanceProprietary

Description

ByteDance's low-cost, low-latency next-generation agent model for large-scale production. A deep-thinking model with the full feature set of Seed 2.1 Pro and comparable performance, it is designed for enterprise-grade deployments handling high volumes of online calls across coding, long-chain agents, and multimodal tasks. Served via Volcano Engine as Doubao-Seed-2.1-turbo.

Release Date
2026-06-24
Parameters
—
Context Length
262K
Modalities
image, text, video

Capability Radar

60
general
50
coding
60
reasoning
51
scienceest.
70
agents
70
multimodal

Science is estimated from LLM Stats science scores or reasoning when no dedicated science benchmarks are available.

Rankings

Domain#RankScoreSource
Agentic Capability61
50.0
LS
Multimodal Ranking25
58.0
LS

Benchmark Scores (LLM Stats)

(LLM Stats (zeroeval))

3d

BLINK79.4%SR

Agents

BrowseCompOpenAI (2025)84.9%SR
GDPval82.7%SR
MCP Atlas80.3%SR
OSWorld76.4%SR
Web Bench73.6%SR
OfficeQA Pro71.1%SR
MobileWorld70.0%SR
Terminal-Bench 2.167.6%SR
CyberGym67.0%SR
OneMillion Bench66.6%SR
SeedClawBench63.8%SR
WildClawBench62.8%SR
Trae Code Gen59.7%SR
SWE-Bench ProPrinceton NLP (2024)57.0%SR
Trae Error Fix56.7%SR
xDailyBench56.4%SR
Finance Agent v1.156.0%SR
Workspace Bench54.7%SR
Agent Startup Bench54.0%SR
Program Bench49.4%SR
Toolathlon49.1%SR
Doubao Multi-Turn Bench49.0%SR
PresentBench48.3%SR
Repo Env46.7%SR
ClawEval-MM46.0%SR
NL2Repo43.7%SR
CreativeWork34.5%SR
SWE-Atlas30.6%SR
APEX-Agents29.2%SR
GameWorld25.9%SR
DeepSWE23.0%SR
PostTrainBench18.3%SR

Biology

SciCode57.8%SR

Chemistry

SuperGPQA67.4%SR
SuperChem56.6%SR

Code

FrontierCS50.8%SR
Artifacts Bench47.0%SR
Image2FloorPlan35.9%SR

Coding

AetherCode67.9%SR

Embodied

EmbSpatialBench0.82 / 100SR

General

MMMU-Pro82.2%SR
SimpleVQA0.71 / 100SR
KINA46.6%SR
MSQA42.0%SR

Image To Text

OCRBench_V262.8%SR

Knowledge

VideoSimpleQA71.4%SR
WorldBench63.7%SR

Long Context

DUDE83.1%SR
LongVideoBench80.6%SR
MMLongBench-128K76.9%SR
LVBench76.8%SR

Math

MathVision92.7%SR
MathVista90.5%SR
MathVerse89.2%SR
Beyond AIME88.0%SR
EMMA78.4%SR
FrontierScience Olympiad76.0%SR
DynaMath68.1%SR
Humanity's Last Exam54.6%SR
MathArena Apex35.4%SR
LiveMathematicianBench27.7%SR
HorizonMath2.0%SR

Multimodal

CharXiv-D94.6%SR
Video-MME89.0%SR
CharXiv-R83.6%SR
OVOBench79.2%SR
TVBench77.2%SR
LiveSports-3K77.1%SR
MotionBench74.8%SR
TreeBench71.1%SR
ChartQAPro70.9%SR
OVBench69.7%SR
VLMsAreBiased68.3%SR
VideoHolmes67.6%SR
Minerva65.9%SR
CrossVid63.2%SR
BabyVision62.9%SR
ContPhy61.1%SR
MeasureBench58.9%SR
TOMATO56.8%SR
VisuLogic0.53 / 100SR
WorldVQA48.6%SR
VisFactor43.9%SR
MMSIBench31.4%SR
ZEROBench0.11 / 100SR

Reasoning

ERQA71.3%SR
ArcAGI261.3%SR
FrontierScience Research33.3%SR

Spatial Reasoning

RealWorldQA86.3%SR

AA Evaluation Indices

(Artificial Analysis)

No AA evaluation data available

LLM Stats Category Scores

(LLM Stats (zeroeval))
Structured Output
90
Legal
80
Search
80
Spatial Reasoning
80
Embodied
80
Finance
80
3d
80
Long Context
70
Multimodal
70
Safety
70
Image To Text
70
Healthcare
70
Economics
70
Tool Calling
70
Video
70
Vision
70
Math
60
Physics
60
Reasoning
60
Knowledge
60
General
60
Agents
60
Biology
60
Chemistry
60
Coding
60
Science
50
Frontend Development
50
Code
50
Systems
20

Pricing

Input Price$0.5 / 1M tokens
Output Price$2.5 / 1M tokens
Blended Price (3:1)$1 / 1M tokens

Speed

No speed data available

Provider Price Ranking

Provider Price Ranking

4 providers

Cheapest: ByteDanceMost Expensive: Kilo Gateway
ProviderInputOutput
1ByteDancePRIMARY
$0.5
$2.5
2NanoGPT
$0.5
$2.5
3OpenRouter
$0.5
$2.5
4Kilo Gateway
$0.5
$2.5

Compare pricing across different API providers for this model.

External Sources

LLM StatsArtificial Analysis