DeepSeek · Model
DeepSeek V4.1 Flash Free API
FreeDeepSeek V4.1 Flash Free 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 id
deepseek/deepseek-v4.1-flash-freeStarterProMaxAt a glance
- Provider
- DeepSeek
- Included in
- Starter, Pro, Max — from $4.99/month
- Weighted-token cost
- 1.5× — a 1,000-token exchange costs 1.5K weighted tokens
- Context window
- 1M tokens
- Free tier
- Yes — the 2M free tokens every new account gets can be spent here
Call DeepSeek V4.1 Flash Free
Set the model to deepseek-v4.1-flash-free 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-free", "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-free", "max_tokens": 1024, "messages": [{"role": "user", "content": "Hello"}]}'Questions about DeepSeek V4.1 Flash Free
- Is DeepSeek V4.1 Flash Free free on apmix?
- Yes. Every new account gets 2M free tokens that can be spent on DeepSeek V4.1 Flash Free (deepseek-v4.1-flash-free) and the other free models, with no daily limit and no expiry date. No card needed.
- Which plan includes DeepSeek V4.1 Flash Free?
- Starter, Pro, Max. Each plan is a monthly allowance of weighted tokens shared across every model and every key; DeepSeek V4.1 Flash Free counts at 1.5× per token.
- How do I use DeepSeek V4.1 Flash Free 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-free. The Docs page has copy-paste setup for each tool.