LLM Reference

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

Use when the workload needs 262k context, reasoning, and tool use.

2026-03262k contextreasoningtool use

Use when the workload needs 262k context, reasoning, and tool use.

2026-02262k contextreasoningtool use

Release Timeline

2 release groups
2026-03
1 current
Seed 2.0 Lite
262k contextreasoningtool use
Current
2026-02
1 current
Seed 2.0 Mini
262k contextreasoningtool use
Current

Specifications(2 models)

Seed 2 model specifications comparison
ModelReleasedContextVisionMultimodalReasoningFn CallingTool Use
Seed 2.0 Lite2026-03262kYesYesYesYesYes
Seed 2.0 Mini2026-02262kYesYesYesYesYes

Available From(1 provider)

Pricing

Seed 2 model pricing by provider
ModelProviderInput / 1MOutput / 1MType
Seed 2.0 MiniOpenRouter$0.1$0.4Serverless
Seed 2.0 LiteOpenRouter$0.25$2Serverless

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.