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DeepSeek · Model

DeepSeek V4.1 Flash 1017 API

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DeepSeek V4.1 Flash 1017 answers at api.apmix.ai under the id below — one key and one monthly plan, on the OpenAI and Anthropic wire formats your tools already speak. No separate DeepSeek account, no per-provider bill.

Model iddeepseek/deepseek-v4.1-flash-1017StarterProMax
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At a glance

Provider
DeepSeek
Included in
Starter, Pro, Max — from $4.99/month
Weighted-token cost
2.5× — a 1,000-token exchange costs 2.5K weighted tokens
Context window
1M tokens
Free tier
Paid plans only — the free models are the place to start
See what each plan buys on DeepSeek V4.1 Flash 1017

Call DeepSeek V4.1 Flash 1017

Set the model to deepseek-v4.1-flash-1017 in any OpenAI- or Anthropic-compatible client. Both base URLs accept the same apmix key.

OpenAI-compatible · Chat Completions
curl https://api.apmix.ai/v1/chat/completions \
  -H "Authorization: Bearer apx_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "deepseek-v4.1-flash-1017", "messages": [{"role": "user", "content": "Hello"}]}'
Anthropic-compatible · Messages
curl https://api.apmix.ai/v1/messages \
  -H "x-api-key: apx_live_YOUR_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -d '{"model": "deepseek-v4.1-flash-1017", "max_tokens": 1024, "messages": [{"role": "user", "content": "Hello"}]}'
Setup guides for Claude Code, Codex CLI, Cursor and more

Questions about DeepSeek V4.1 Flash 1017

Is DeepSeek V4.1 Flash 1017 free on apmix?
Not on the free tier. DeepSeek V4.1 Flash 1017 is included from the Starter plan ($4.99/month), with one monthly allowance shared across every model in the plan. You can still start free on the free models.
Which plan includes DeepSeek V4.1 Flash 1017?
Starter, Pro, Max. Each plan is a monthly allowance of weighted tokens shared across every model and every key; DeepSeek V4.1 Flash 1017 counts at 2.5× per token.
How do I use DeepSeek V4.1 Flash 1017 in Claude Code, Codex CLI or Cursor?
Point the tool at apmix — https://api.apmix.ai/v1 for OpenAI-compatible clients, https://api.apmix.ai for Anthropic-compatible ones — with your apmix key, and set the model to deepseek-v4.1-flash-1017. The Docs page has copy-paste setup for each tool.