Seed 2 Models by ByteDance
ByteDanceProprietary
2 models2026Up to 262k ctxFrom $0.1/1M input
Details
ResearcherByteDance
LicenseProprietary
Commercial useCommercial use: conditional
Models2
Released2026
Max context262k
Capabilities
VisionAll models
MultimodalAll models
ReasoningAll models
Function CallingAll models
Tool UseAll models
About
Seed 2 is a family of 2 AI models by ByteDance, released in 2026.
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
2 in view
Seed 2.0 LiteCurrent
Use when the workload needs 262k context, reasoning, and tool use.
2026-03262k contextreasoningtool use
Seed 2.0 MiniCurrent
Use when the workload needs 262k context, reasoning, and tool use.
2026-02262k contextreasoningtool use
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Seed 2.0 Lite | Use when the workload needs 262k context, reasoning, and tool use. | 2026-03 | 262k contextreasoningtool use | Current |
| Seed 2.0 Mini | Use when the workload needs 262k context, reasoning, and tool use. | 2026-02 | 262k contextreasoningtool use | Current |
Release Timeline
2 release groups2026-03
1 current
Seed 2.0 Lite
Current262k contextreasoningtool use
2026-02
1 current
Seed 2.0 Mini
Current262k contextreasoningtool use
Specifications(2 models)
| Model | Released | Context | Vision | Multimodal | Reasoning | Fn Calling | Tool Use |
|---|---|---|---|---|---|---|---|
| Seed 2.0 Lite | 2026-03 | 262k | Yes | Yes | Yes | Yes | Yes |
| Seed 2.0 Mini | 2026-02 | 262k | Yes | Yes | Yes | Yes | Yes |
Available From(1 provider)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| Seed 2.0 Mini | OpenRouter | $0.1 | $0.4 | Serverless |
| Seed 2.0 Lite | OpenRouter | $0.25 | $2 | Serverless |
Frequently Asked Questions
- What is Seed 2 used for?
- Seed 2 is used for vision and multimodal work, reasoning, and agent workflows and tool use. The family description and listed model capabilities point to those workloads as the best fit.
- How does Seed 2 compare to Seed?
- Seed 2 by ByteDance is strongest where you need vision and multimodal work, while Seed by ByteDance is the closest related family to check for vision and multimodal work. Seed 2 has 2 listed variants and reaches up to 262k context, while Seed reaches up to 256k context, so compare the specs and pricing tables before choosing a production model.
- Which Seed 2 model should I use?
- For the lowest listed input price, start with Seed 2.0 Mini through OpenRouter at $0.1/1M input tokens. For the most capable/latest local choice, evaluate Seed 2.0 Lite with 262k context and reasoning, tool use, function calling, and multimodal inputs.






