# DeepSeek V4.1 Flash 1017 Now Available on Telnyx Inference

> Source: <https://telnyx.com/release-notes/deepseek-v4-1-flash-1017>
> Published: 2026-11-03 00:00:00+00:00

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DeepSeek V4.1 Flash 1017, the post-training checkpoint of DeepSeek's open-weight DeepSeek-V4.1-Flash model, is now live on [Telnyx Inference](https://telnyx.com/products/inference), hosted on Telnyx-owned GPUs.

`model=deepseek-ai/DeepSeek-V4.1-Flash-1017` in the `deepseek-ai/DeepSeek-V4.1-Flash`.
The gains in this checkpoint land exactly where agentic workloads live: coding agents, terminal automation, and long-context document pipelines. Open weights under the MIT license, a 1M-token context, a KV cache a quarter the size of the prior generation, and cached input rates that reward reuse all point the same way: more agent work per dollar. On Telnyx it runs on GPUs we own, in-region, with no cloud provider markup and zero data retention on prompts and responses. For current per-token rates, see [Telnyx Inference pricing](https://telnyx.com/pricing/inference-api).

```
curl -X POST https://api.telnyx.com/v2/ai/openai/chat/completions \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-ai/DeepSeek-V4.1-Flash-1017",
    "messages": [
      {"role": "user", "content": "Write a SQL query that computes month-over-month growth from an orders table."}
    ]
  }'
```

**Learn more** in the [model documentation](https://developers.telnyx.com/docs/inference/models) and in [DeepSeek's 1017 model card](https://huggingface.co/deepseek-ai/DeepSeek-V4.1-Flash-1017).