# OpenRouter catalog lists deepseek/deepseek-v4-pro-0813 at 1M context

> A dated DeepSeek V4 Pro model ID appeared in OpenRouter's public model-list API on 2026-08-21, listed with a 1,048,576-token context length. Catalog observation only — DeepSeek has not been checked for a corresponding announcement, and the ID could be a snapshot alias or a listing that is withdrawn again.

| | |
|---|---|
| **Tool** | DeepSeek |
| **Version** | — |
| **Kind** | announcement |
| **Published** | unknown |
| **Observed** | 2026-08-21 |
| **Significance** | 3/5 |
| **Breaking** | no |
| **Categories** | model-support, new-model, context-window |

> **Note:** this classification is below our confidence threshold and is pending human review.

## What changed


- Model ID: `deepseek/deepseek-v4-pro-0813`
- Catalog display name: DeepSeek: DeepSeek V4 Pro 0813
- Context length as listed: 1,048,576
- Source: OpenRouter public model-list API (`https://openrouter.ai/api/v1/models`)
- First observed: 2026-08-21
- Third-party catalog entry, not a DeepSeek statement


## Sources

- [api_models_endpoint](https://openrouter.ai/api/v1/models) — retrieved 2026-08-21


## Community

_No curated reactions recorded. Facts and community takes are kept in separate layers
and never blended._

---
Canonical: https://changelogs.info/deepseek/openrouter-catalog-lists-deepseek-deepseek-v4-pro-0813-at-1m-context
Entity: https://changelogs.info/deepseek
Event ID: `evt_2026-08-21_deepseek_new-model-id-in-openrouter-s-public-catalog-deepseek-deepseek-v4-pro-0813`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.