# Seed 2.0 Lite

> 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.

Source page: https://www.aimodel.directory/models/seed-2-0-lite
Last verified: 4 Oct 2026

## Specifications

- **Developer:** ByteDance Seed
- **Release date:** 14 Feb 2026 (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/bytedance-seed/seed-2.0-lite.toml)
- **Status:** Generally available (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/bytedance-seed/seed-2.0-lite.toml)
- **Weights:** Proprietary (API only) (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/bytedance-seed/seed-2.0-lite.toml)
- **Context window:** 262K (262,144 tokens) (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/bytedance-seed/seed-2.0-lite.toml)
- **Max output:** 131K tokens (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/bytedance-seed/seed-2.0-lite.toml)
- **Input:** Text, images and video (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/bytedance-seed/seed-2.0-lite.toml)
- **Output:** Text (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/bytedance-seed/seed-2.0-lite.toml)
- **Reasoning mode:** Yes (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/bytedance-seed/seed-2.0-lite.toml)
- **Tool calling:** Yes (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/bytedance-seed/seed-2.0-lite.toml)
- **Structured output:** Yes (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/bytedance-seed/seed-2.0-lite.toml)

## API pricing (USD per 1M tokens)

| Provider | Input | Output | Cached input | Context |
|---|---|---|---|---|
| OpenRouter | $0.25 | $2 | – | 262K |

## FAQ

### 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.

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Data licensed CC BY 4.0. Cite as: AI Model Directory, "Seed 2.0 Lite", https://www.aimodel.directory/models/seed-2-0-lite