Seed 2 Models by ByteDance
ByteDanceProprietary
5 models2026Up to 262k ctxFrom $0.1/1M input
Last refreshed 2026-07-10. Next refresh: weekly.
Details
ResearcherByteDance
LicenseProprietary
Commercial useCommercial use: conditional
Models5
Released2026
Max context262k
Capabilities
Vision2 of 5 models
Multimodal4 of 5 models
Reasoning3 of 5 models
JSON / Tool use2 of 5 models
About
Seed 2 is a family of 5 AI models by ByteDance, released in 2026.
Decision facts
- Best fit
- vision and multimodal workreasoningJSON / Tool use
- Capability starting point
- Seed 2.0 Lite with 262k context and reasoning, JSON / Tool use, and multimodal inputs
- Lowest tracked input
- Seed 2.0 Mini · $0.1/1M · OpenRouter
- Closest related family
- Seed
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
5 in view
Seed 2.1 ProCurrent
Use when the workload needs reasoning and multimodal inputs.
2026-06reasoningmultimodal inputs
Seed 2.0 LiteCurrent
Use when the workload needs 262k context, reasoning, and JSON / Tool use.
2026-03262k contextreasoningJSON / Tool use
Seed 2.0 MiniCurrent
Use when the workload needs 262k context, reasoning, and JSON / Tool use.
2026-02262k contextreasoningJSON / Tool use
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Seed 2.1 Pro | Use when the workload needs reasoning and multimodal inputs. | 2026-06 | reasoningmultimodal inputs | Current |
| Seed 2.1 Turbo | Use when the workload needs multimodal inputs. | 2026-06 | multimodal inputs | Current |
| Seed 2.1 Preview | Use when provider availability and model metadata match the workload. | 2026-06 | — | Current |
| Seed 2.0 Lite | Use when the workload needs 262k context, reasoning, and JSON / Tool use. | 2026-03 | 262k contextreasoningJSON / Tool use | Current |
| Seed 2.0 Mini | Use when the workload needs 262k context, reasoning, and JSON / Tool use. | 2026-02 | 262k contextreasoningJSON / Tool use | Current |
Release Timeline
3 release groups2026-06
3 current
2026-03
1 current
Seed 2.0 Lite
Current262k contextreasoningJSON / Tool use
2026-02
1 current
Seed 2.0 Mini
Current262k contextreasoningJSON / Tool use
Specifications(5 models)
| Model | Released | Context | Vision | Multimodal | Reasoning | JSON / Tool use |
|---|---|---|---|---|---|---|
| Seed 2.1 Pro | 2026-06 | — | No | Yes | Yes | No |
| Seed 2.1 Turbo | 2026-06 | — | No | Yes | No | No |
| Seed 2.1 Preview | 2026-06 | — | No | No | No | No |
| Seed 2.0 Lite | 2026-03 | 262k | Yes | Yes | Yes | Yes |
| Seed 2.0 Mini | 2026-02 | 262k | Yes | Yes | Yes | Yes |
Available From(2 providers)
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 |
| Seed 2.1 Turbo | Volcengine | $0.41 | $2.07 | Serverless |
| Seed 2.1 Pro | Volcengine | $0.83 | $4.14 | Serverless |
