Seed 2.0 Lite
Summary
Seed 2.0 Lite is a proprietary language model from ByteDance Seed, released on 14 Feb 2026. It accepts text, images and video and generates text, with a 262K-token context window and up to 131K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.25 per million input tokens and $2 per million output tokens (OpenRouter), across 1 provider we track.
Multimodal reasoning model for visual analysis, planning, and tool use
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | ByteDance Seed |
|---|---|
| Release date | 14 Feb 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 262K (262,144 tokens) [models.dev] |
| Max output | 131K tokens [models.dev] |
| Input | Text, images and video [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | Yes [models.dev] |
Seed 2.0 Lite API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| OpenRouter bytedance-seed/seed-2.0-lite | $0.25 | $2 | – | 262K | OpenRouter, 4 Oct 2026 |
Frequently asked questions
What is the context window of Seed 2.0 Lite?
Seed 2.0 Lite has a context window of 262,144 tokens (262K) and can generate up to 131,072 tokens in a single response, according to models.dev.
How much does the Seed 2.0 Lite API cost?
Seed 2.0 Lite is listed from $0.25 per million input tokens and $2 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.
Is Seed 2.0 Lite open source?
No. Seed 2.0 Lite is a proprietary model; ByteDance Seed has not released its weights. It is available through APIs including OpenRouter.
When was Seed 2.0 Lite released?
ByteDance Seed released Seed 2.0 Lite on 14 Feb 2026, according to models.dev.
Change history
No changes detected since we started tracking this model. We re-check every source daily.