Seed 2.0 Code
Summary
Seed 2.0 Code is a proprietary language model from ByteDance Seed, released on 14 Feb 2026. It accepts text and images and generates text, with a 256K-token context window and up to 131K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.50 per million input tokens and $3 per million output tokens (DeepInfra), across 2 providers we track. It is scheduled for retirement on 11 Nov 2026.
ByteDance Seed coding model for multimodal software engineering and long-running agents
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 | 256K (256,000 tokens) [models.dev] |
| Max output | 131K 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] |
| Retirement date | 11 Nov 2026 [OpenRouter] |
Seed 2.0 Code API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| DeepInfra ByteDance/Seed-2.0-code | $0.50 | $3 | $0.10 | 256K | models.dev, 4 Oct 2026 |
| OpenRouter bytedance-seed/seed-2.0-code | $0.50 | $3 | – | 262K | OpenRouter, 4 Oct 2026 |
Frequently asked questions
What is the context window of Seed 2.0 Code?
Seed 2.0 Code has a context window of 256,000 tokens (256K) and can generate up to 131,072 tokens in a single response, according to models.dev.
How much does the Seed 2.0 Code API cost?
Seed 2.0 Code is listed from $0.50 per million input tokens and $3 per million output tokens (DeepInfra). Prices last verified 4 Oct 2026.
Is Seed 2.0 Code open source?
No. Seed 2.0 Code is a proprietary model; ByteDance Seed has not released its weights. It is available through APIs including DeepInfra, OpenRouter.
When was Seed 2.0 Code released?
ByteDance Seed released Seed 2.0 Code on 14 Feb 2026, according to models.dev.
Which providers offer Seed 2.0 Code?
We track Seed 2.0 Code on 2 providers: DeepInfra, OpenRouter.
Change history
No changes detected since we started tracking this model. We re-check every source daily.