Seed 1.6 Vision
Summary
Seed 1.6 Vision is a proprietary language model from ByteDance Seed, released on 15 Aug 2025. It accepts text and images and generates text, with a 256K-token context window and up to 32K output tokens per response.
ByteDance Seed multimodal model for image understanding, visual reasoning, and tool-assisted tasks
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | ByteDance Seed |
|---|---|
| Release date | 15 Aug 2025 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 256K (256,000 tokens) [models.dev] |
| Max output | 32K tokens [models.dev] |
| Input | Text and images [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | Yes [models.dev] |
Seed 1.6 Vision API pricing by provider
USD per million tokens. Sorted by input price.
We do not currently track a paid API listing for this model.
Frequently asked questions
What is the context window of Seed 1.6 Vision?
Seed 1.6 Vision has a context window of 256,000 tokens (256K) and can generate up to 32,000 tokens in a single response, according to models.dev.
Is Seed 1.6 Vision open source?
No. Seed 1.6 Vision is a proprietary model; ByteDance Seed has not released its weights.
When was Seed 1.6 Vision released?
ByteDance Seed released Seed 1.6 Vision on 15 Aug 2025, according to models.dev.
Change history
No changes detected since we started tracking this model. We re-check every source daily.