# DeepSeek: DeepSeek V4 Flash 0731 spotted on OpenRouter

DeepSeek: DeepSeek V4 Flash 0731 from DeepSeek was first recorded on 8 Sep 2026. Its release date is not established. Catalogues list a 1,048,576 tokens context window. 12 evidence links.

- Kind: Sighting
- Developer: DeepSeek
- Confidence: Observed
- First seen: 2026-09-08T05:11:22.059Z
- Model: [DeepSeek: DeepSeek V4 Flash 0731](https://alexgetman.com/models/deepseek/deepseek-v4-flash-0731/)
- Canonical: https://alexgetman.com/signals/2026/09/08/deepseek-deepseek-v4-flash-0731/

## Evidence links

- [OpenRouter](https://openrouter.ai/api/v1/models)
- [OpenRouter](https://openrouter.ai/deepseek/deepseek-v4-flash-0731)
- [models.dev · catalogue](https://models.dev/#deepseek-v4-flash-0731)
- [Hugging Face · inference providers](https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash-0731)
- [OpenRouter](https://openrouter.ai/deepseek/deepseek-v4-flash-0731:free)
- [models.dev · catalogue](https://models.dev/#deepseek-v4-flash-0731:free)
- [models.dev · catalogue](https://models.dev/#DeepSeek-V4-Flash-0731)
- [OpenRouter](https://openrouter.ai/deepseek/deepseek-v4-flash-0731:batch)
- [OpenCode · discovery](https://opencode.ai/data/deepseek/deepseek-v4-flash-0731)
- [models.dev · catalogue](https://models.dev/#deepseek-v4-flash-0731-284b)
- [models.dev · catalogue](https://models.dev/#dsv4)
- [models.dev · catalogue](https://models.dev/#morph-dsv4flash)