> ## Documentation Index
> Fetch the complete documentation index at: https://docs.apiyi.com/llms.txt
> Use this file to discover all available pages before exploring further.

# DeepSeek V4.1 Flash Economy Edition Is Live

> DeepSeek V4.1 Flash Economy Edition (deepseek-v4-1-flash-economy-261017) is now on APIYI with the same weights and identical output quality as the standard edition, at $0.24 input / $0.96 output per 1M tokens. The 1M context window and vision input are unchanged; available in Default and SVIP.

**2026/11/11 12:22 (UTC+8)** · New Model · DeepSeek

🚀 **DeepSeek V4.1 Flash Economy Edition is live on APIYI at \$0.24 input / \$0.96 output per 1M tokens**

The economy edition loads the same V4.1-Flash-1017 weights as the standard `deepseek-v4.1-flash`, and the vendor states output quality is identical; generation runs slower (roughly 2 s to first token and 15 ms per output token by vendor estimate). APIYI serves it through the BytePlus official channel with full weights — the complete 552B model, no quantization or distillation — and bills one peak-price tier at \$0.24 / \$0.96, with further savings via recharge bonuses.

Both editions and their current status, choose as needed:

* `deepseek-v4-1-flash-economy-261017`: `Default` and `SVIP` groups, Chat endpoint, \$0.24 / \$0.96
* `deepseek-v4.1-flash`: `Default`, `SVIP`, `ClaudeCode`, and `CodexResponses` groups, Chat and Anthropic formats, \$0.30 / \$1.20

For batch work, pass `reasoning_effort` as `none` to turn reasoning off; output tokens often drop by an order of magnitude.

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