Alibaba Qwen · Model
Qwen 4 Preview API
NewQwen 4 Preview 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 Alibaba Qwen account, no per-provider bill.
Model id
alibaba/qwen-4-previewProMaxAt a glance
- Provider
- Alibaba Qwen
- Included in
- Pro, Max — from $14.99/month
- Weighted-token cost
- 2× — a 1,000-token exchange costs 2K weighted tokens
- Context window
- 1M tokens
- Reasoning
- Yes — thinks before it answers
Call Qwen 4 Preview
Set the model to qwen-4-preview 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": "qwen-4-preview", "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": "qwen-4-preview", "max_tokens": 1024, "messages": [{"role": "user", "content": "Hello"}]}'Questions about Qwen 4 Preview
- Which plan includes Qwen 4 Preview?
- Pro, Max. Each plan is a monthly allowance of weighted tokens shared across every model and every key; Qwen 4 Preview counts at 2× per token.
- How do I use Qwen 4 Preview 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 qwen-4-preview. The Docs page has copy-paste setup for each tool.