# DeepSeek V3.1 Terminus

DeepSeek V3.1 Terminus is a model from DeepSeek with open weights, first recorded on 7 Oct 2026; its release date is not established. The context window is 163,840 tokens.

- Developer: DeepSeek
- Id: deepseek-ai/DeepSeek-V3.1-Terminus
- Reported: 2026-11-13T12:29:11.000Z
- Sighting: 2026-10-07T19:40:57.518Z
  - [evidence link](https://huggingface.co/deepseek-ai/DeepSeek-V3.1-Terminus)
- Status: Released
- Weights version: 2025-09-22
  - [evidence link](https://huggingface.co/api/models/deepseek-ai/DeepSeek-V3.1-Terminus/paths-info/19510d6dc61f79dbd925bd51ee8a9081c509a4b6)
- Canonical: https://alexgetman.com/models/deepseek/deepseek-v3-1-terminus/

## Questions

### What is the context window of DeepSeek V3.1 Terminus?

The context window is 163,840 tokens.

### Are the weights of DeepSeek V3.1 Terminus publicly available?

Yes. DeepSeek publishes the weights.

### When was DeepSeek V3.1 Terminus released?

Its release date is not established. Signal Forge first recorded it on 7 Oct 2026.

## Timeline

- 2026-11-13T18:47:56.425Z · [GitHub search · DeepSeek · pulls · anomalyco/models.dev · @models-dev-automation[bot]](https://github.com/anomalyco/models.dev/pull/13568)

## Evidence links

- [GitHub search · DeepSeek · pulls · anomalyco/models.dev · @models-dev-automation[bot]](https://github.com/anomalyco/models.dev/pull/13568)
- [hf-author-artifacts:deepseek-ai](https://huggingface.co/api/models/deepseek-ai/DeepSeek-V3.1-Terminus/paths-info/19510d6dc61f79dbd925bd51ee8a9081c509a4b6)
- [huggingface-router](https://huggingface.co/deepseek-ai/DeepSeek-V3.1-Terminus)

## Signals