Qwen3.8 27B

alibaba/qwen3.8-27b

A chat model with a 1M-token context window, at $0.525 per million input tokens and $3.15 per million output tokens.

Details

Maker
alibaba
Kind
Chat
Context window
1,000,000 tokens
Max output
131,072 tokens
Input
$0.525 per million tokens
Cached input
$0.105 per million tokens, 80% off
Cache write
$0.65625 per million tokens
Output
$3.15 per million tokens
Capabilities
Reasoning, tool use, vision, file input
Takes
Text, image, pdf, video
Returns
Text
Zero data retention
Not on every provider
No training on requests
Not on every provider
Released
2026-08-14

Description

Built on the architectural foundation of Qwen3.5, Qwen3.8 delivers substantial gains across coding, professional work, research, and long-horizon agentic tasks. Qwen3.8-27B brings these advances to a compact, deployment-friendly dense model: a native vision-language model that understands images and videos, with flexible thinking control, designed to carry complex, multi-step tasks through to completion with greater reliability.

Call it

curl
curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "alibaba/qwen3.8-27b",
    "messages": [
      {"role": "user", "content": "Hello"}
    ]
  }'

Set PHANTOM_KEY to your key. Any OpenAI client works with the base URL https://phantom.codes/v1.