MODEL DIRECTORY
ByteDance Model Directory
ByteDance offers the Doubao and Seedance model families through Volcano Engine, covering text, image and video generation.
Website · CNPublic models
19
With relay prices
18
Relay sites
23
Reasoning
11
Tool call
13
Structured output
0
Multimodal input
12
Text models
16
Image models
0
Video models
3
Audio models
0
Release range
2025-08-15 ~ 2026-06-23
19 models foundPrices in USD per 1M tokens; relay prices and ≈ are converted from CNY at today's rate
| Model | Provider | Type | Relays | Context | Max output | Input | Output | Capabilities | Price (input / output) | Details | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Seed 2.1 Proseed-2.1-pro | ByteDance | Text | 5 sites | 256K | 256K | Text: SupportedImage: SupportedVideo: SupportedFile: Supported | Text: Supported | Reason: SupportedTools: SupportedJSON: UnknownTemperature: Supported | - | Official$0.8906 / $4.45Lowest$0.2018 / $1.01 | 2026-06-23 | |
Flagship ByteDance Seed 2.1 model for complex multimodal reasoning, coding, and agents Basics
Limits
InputText: SupportedImage: SupportedAudio: Not supportedVideo: SupportedPDF: Not supportedFile: Supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: SupportedTool call: SupportedStructured output: UnknownTemperature: Supported Pricing
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Seed 2.1 Turboseed-2.1-turbo | ByteDance | Text | 4 sites | 256K | 256K | Text: SupportedImage: SupportedVideo: SupportedFile: Supported | Text: Supported | Reason: SupportedTools: SupportedJSON: UnknownTemperature: Supported | - | Official$0.4453 / $2.23Lowest$0.1009 / $0.5045 | 2026-06-23 | |
Faster ByteDance Seed 2.1 model for multimodal reasoning and latency-sensitive agent workflows Basics
Limits
InputText: SupportedImage: SupportedAudio: Not supportedVideo: SupportedPDF: Not supportedFile: Supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: SupportedTool call: SupportedStructured output: UnknownTemperature: Supported Pricing
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Seed Characterseed-character | ByteDance | Text | 2 sites | 256K | 256K | Text: SupportedImage: SupportedVideo: SupportedFile: Supported | Text: Supported | Reason: SupportedTools: SupportedJSON: UnknownTemperature: Supported | - | Official$0.1188 / $0.2969Lowest$11.21 / $11.21 | 2026-06-23 | |
ByteDance Seed model optimized for character-driven dialogue and consistent conversational behavior Basics
Limits
InputText: SupportedImage: SupportedAudio: Not supportedVideo: SupportedPDF: Not supportedFile: Supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: SupportedTool call: SupportedStructured output: UnknownTemperature: Supported Pricing
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Seed Evolvingseed-evolving | ByteDance | Text | 2 sites | 256K | 256K | Text: SupportedImage: SupportedVideo: SupportedFile: Supported | Text: Supported | Reason: SupportedTools: SupportedJSON: UnknownTemperature: Supported | - | Official$0.8906 / $4.45Lowest$0.8073 / $4.04 | 2026-06-23 | |
Rolling ByteDance Seed model for rapidly updated reasoning, coding, and agent capabilities Basics
Limits
InputText: SupportedImage: SupportedAudio: Not supportedVideo: SupportedPDF: Not supportedFile: Supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: SupportedTool call: SupportedStructured output: UnknownTemperature: Supported Pricing
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Doubao-Seedance-2.5doubao-seedance-2.5 | ByteDance | Video | 12 sites | - | - | - | Video: Supported | Reason: UnknownTools: UnknownJSON: UnknownTemperature: Unknown | - | OfficialNo priceLowest$0.0027/ 次 | 2026-04 | |
Seedance 2.5 is a professional multimodal video creation model from Volcano Engine/BytePlus. It supports text, image, video, and audio references for video generation, editing, and extension. Official guidance recommends Seedance 2.5 when generation quality is the top priority; public docs list 480p, 720p, and 1080p options. Basics
Limits
InputText: Not supportedImage: Not supportedAudio: Not supportedVideo: Not supportedPDF: Not supportedFile: Unknown OutputText: Not supportedImage: Not supportedAudio: Not supportedVideo: Supported API capabilitiesReasoning: UnknownTool call: UnknownStructured output: UnknownTemperature: Unknown Pricing
/ 次 | ||||||||||||
Seed 2.0 Codeseed-2.0-code | ByteDance | Text | 7 sites | 262.1K | 131.1K | Text: SupportedImage: SupportedVideo: SupportedFile: Supported | Text: Supported | Reason: SupportedTools: SupportedJSON: UnknownTemperature: Supported | - | Official$0.475 / $2.37Lowest$0.1076 / $0.5382 | 2026-02-14 | |
ByteDance Seed coding model for multimodal software engineering and long-running agents Basics
Limits
InputText: SupportedImage: SupportedAudio: Not supportedVideo: SupportedPDF: Not supportedFile: Supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: SupportedTool call: SupportedStructured output: UnknownTemperature: Supported Pricing
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Seed 2.0 Liteseed-2.0-lite | ByteDance | Text | 4 sites | 256K | 32K | Text: SupportedImage: SupportedVideo: SupportedFile: Supported | Text: Supported | Reason: SupportedTools: SupportedJSON: UnknownTemperature: Supported | - | Official$0.0891 / $0.5344Lowest$0.0202 / $0.1233 | 2026-02-14 | |
Cost-efficient ByteDance Seed 2.0 model for production chat, analysis, and structured generation Basics
Limits
InputText: SupportedImage: SupportedAudio: Not supportedVideo: SupportedPDF: Not supportedFile: Supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: SupportedTool call: SupportedStructured output: UnknownTemperature: Supported Pricing
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Seed 2.0 Miniseed-2.0-mini | ByteDance | Text | 8 sites | 256K | 32K | Text: SupportedImage: SupportedVideo: SupportedFile: Supported | Text: Supported | Reason: SupportedTools: SupportedJSON: UnknownTemperature: Supported | - | Official$0.0297 / $0.2969Lowest$0.0067 / $0.0673 | 2026-02-14 | |
Lightweight ByteDance Seed 2.0 model for low-latency multimodal reasoning and high-volume tasks Basics
Limits
InputText: SupportedImage: SupportedAudio: Not supportedVideo: SupportedPDF: Not supportedFile: Supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: SupportedTool call: SupportedStructured output: UnknownTemperature: Supported Pricing
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Seed 2.0 Proseed-2.0-pro | ByteDance | Text | 8 sites | 256K | 128K | Text: SupportedImage: SupportedVideo: SupportedFile: Supported | Text: Supported | Reason: SupportedTools: SupportedJSON: UnknownTemperature: Not supported | - | Official$0.475 / $2.37Lowest$0.1076 / $0.5382 | 2026-02-14 | |
Flagship ByteDance Seed 2.0 model for complex multimodal reasoning and long-horizon agent workflows Basics
Limits
InputText: SupportedImage: SupportedAudio: Not supportedVideo: SupportedPDF: Not supportedFile: Supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: SupportedTool call: SupportedStructured output: UnknownTemperature: Not supported Pricing
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Doubao-Seedance-2.0doubao-seedance-2.0 | ByteDance | Video | 13 sites | - | - | - | Video: Supported | Reason: UnknownTools: UnknownJSON: UnknownTemperature: Unknown | - | OfficialNo priceLowest$0.0027/ 次 | 2026-01 | |
Seedance 2.0 is a professional multimodal video creation model from Volcano Engine/BytePlus. It supports text, image, video, and audio references for video generation, editing, and extension. Official guidance recommends Seedance 2.0 when generation quality is the top priority; public docs list 480p, 720p, and 1080p options. Basics
Limits
InputText: Not supportedImage: Not supportedAudio: Not supportedVideo: Not supportedPDF: Not supportedFile: Unknown OutputText: Not supportedImage: Not supportedAudio: Not supportedVideo: Supported API capabilitiesReasoning: UnknownTool call: UnknownStructured output: UnknownTemperature: Unknown Pricing
/ 次 | ||||||||||||
Doubao-Seedance-2.0-fastdoubao-seedance-2.0-fast | ByteDance | Video | 7 sites | - | - | - | Video: Supported | Reason: UnknownTools: UnknownJSON: UnknownTemperature: Unknown | - | OfficialNo priceLowest$0.0523/ 次 | 2026-01 | |
Seedance 2.0 Fast is in the same series as Seedance 2.0, and official docs state that both models have the same capabilities. Official guidance recommends Fast when cost and generation speed matter more than maximum quality; public docs list 480p and 720p options for Fast. Basics
Limits
InputText: Not supportedImage: Not supportedAudio: Not supportedVideo: Not supportedPDF: Not supportedFile: Unknown OutputText: Not supportedImage: Not supportedAudio: Not supportedVideo: Supported API capabilitiesReasoning: UnknownTool call: UnknownStructured output: UnknownTemperature: Unknown Pricing
/ 次 | ||||||||||||
Seed 1.8seed-1-8 | ByteDance | Text | 3 sites | 256K | 64K | Text: SupportedImage: SupportedFile: Supported | Text: Supported | Reason: SupportedTools: SupportedJSON: UnknownTemperature: Supported | - | Official$0.1188 / $1.19Lowest$0.0269 / $0.2691 | 2025-12-28 | |
ByteDance Seed model for multimodal reasoning, long-context analysis, and agent workflows Basics
Limits
InputText: SupportedImage: SupportedAudio: Not supportedVideo: Not supportedPDF: Not supportedFile: Supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: SupportedTool call: SupportedStructured output: UnknownTemperature: Supported Pricing
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Seed 1.6seed-1-6 | ByteDance | Text | 3 sites | 256K | 64K | Text: SupportedImage: SupportedVideo: SupportedFile: Supported | Text: Supported | Reason: SupportedTools: SupportedJSON: UnknownTemperature: Supported | - | Official$0.1188 / $1.19Lowest$0.0269 / $0.2691 | 2025-10-15 | |
ByteDance Seed model for long-context reasoning, instruction following, and tool-assisted tasks Basics
Limits
InputText: SupportedImage: SupportedAudio: Not supportedVideo: SupportedPDF: Not supportedFile: Supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: SupportedTool call: SupportedStructured output: UnknownTemperature: Supported Pricing
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Seed 1.6 Flashseed-1-6-flash | ByteDance | Text | 3 sites | 256K | 32K | Text: SupportedImage: SupportedVideo: SupportedFile: Supported | Text: Supported | Reason: Not supportedTools: SupportedJSON: UnknownTemperature: Supported | - | Official$0.0223 / $0.2227Lowest$0.0101 / $0.1009 | 2025-08-28 | |
Low-latency ByteDance Seed model for high-throughput chat, extraction, and lightweight tool use Basics
Limits
InputText: SupportedImage: SupportedAudio: Not supportedVideo: SupportedPDF: Not supportedFile: Supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: Not supportedTool call: SupportedStructured output: UnknownTemperature: Supported Pricing
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Seed-OSS-36B-Instructseed-oss-36b-instruct | ByteDance | Text | - | 524.3K | 524.3K | Text: Supported | Text: Supported | Reason: SupportedTools: SupportedJSON: UnknownTemperature: SupportedOpen weights: Supported | 12.1 | OfficialNo priceLowestNo price | 2025-08-20 | |
Open ByteDance Seed model for long-context reasoning, tool use, and agents Basics
Limits
InputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supportedPDF: Not supportedFile: Not supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: SupportedTool call: SupportedStructured output: UnknownTemperature: Supported Pricing
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Seed 1.6 Visionseed-1-6-vision | ByteDance | Text | 3 sites | 256K | 32K | Text: SupportedImage: SupportedFile: Supported | Text: Supported | Reason: Not supportedTools: SupportedJSON: UnknownTemperature: Supported | - | Official$0.1188 / $1.19Lowest$0.0538 / $0.4305 | 2025-08-15 | |
ByteDance Seed multimodal model for image understanding, visual reasoning, and tool-assisted tasks Basics
Limits
InputText: SupportedImage: SupportedAudio: Not supportedVideo: Not supportedPDF: Not supportedFile: Supported OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: Not supportedTool call: SupportedStructured output: UnknownTemperature: Supported Pricing
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Doubao Seed 2.0 Litedoubao-seed-2.0-lite | ByteDance | Text | 3 sites | - | - | - | Text: Supported | Reason: UnknownTools: UnknownJSON: UnknownTemperature: Unknown | - | OfficialNo priceLowest$0.0299 / $0.1764 | - | |
Doubao Seed 2.0 Lite is a lightweight AI model from ByteDance for everyday text interaction and information processing. It offers a concise and convenient model option for applications that need a lightweight experience. Basics
Limits
InputText: Not supportedImage: Not supportedAudio: Not supportedVideo: Not supportedPDF: Not supportedFile: Unknown OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: UnknownTool call: UnknownStructured output: UnknownTemperature: Unknown Pricing
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Doubao Seed 2.1 Turbodoubao-seed-2.1-turbo | ByteDance | Text | 4 sites | - | - | - | Text: Supported | Reason: UnknownTools: UnknownJSON: UnknownTemperature: Unknown | - | OfficialNo priceLowest$0.1674 / $0.8386 | - | |
Doubao Seed 2.1 Turbo is an AI model from ByteDance. It can be used in AI applications and workflows. Basics
Limits
InputText: Not supportedImage: Not supportedAudio: Not supportedVideo: Not supportedPDF: Not supportedFile: Unknown OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: UnknownTool call: UnknownStructured output: UnknownTemperature: Unknown Pricing
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Doubao-Seedance-1.5-prodoubao-seedance-1.5-pro | ByteDance | Text | 3 sites | - | - | - | Text: Supported | Reason: UnknownTools: UnknownJSON: UnknownTemperature: Unknown | - | OfficialNo priceLowest$2.09 / $2.09 | - | |
Doubao-Seedance-1.5-pro is an artificial intelligence model developed by Bytedance. This profile focuses on the model’s identity and basic information for cataloging and management. Basics
Limits
InputText: Not supportedImage: Not supportedAudio: Not supportedVideo: Not supportedPDF: Not supportedFile: Unknown OutputText: SupportedImage: Not supportedAudio: Not supportedVideo: Not supported API capabilitiesReasoning: UnknownTool call: UnknownStructured output: UnknownTemperature: Unknown Pricing
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Capabilities and limits come from public sources. “Unknown” means no reliable data yet, not “not supported”. Relay counts include only sites with a current public price, de-duplicated per site.
Data source: models.dev · OpenRouter
Intelligence scores come from the OpenRouter benchmark rankings (Intelligence Index); higher is smarter.