Qwen · Open weights

Qwen3.8 27B

Added Aug 16, 2026Open weights

Qwen3.8 27B is an open-weight multimodal model from Alibaba for coding, visual understanding, tool use, and structured output. This variant keeps thinking disabled for faster direct responses. Requests containing video cost $0.32 per million input tokens and $2.50 per million output tokens.

Reasoning
Tools
Vision
Structured output
Video input

Input: Text, Images, Video
Output: Text
Discovery tier: Open weights

Pricing

USD per 1M tokens

Input: $0.15
Output: $0.70
Cache read: $0.04

Reference prices as published by the model provider. API example

Specifications

Context window: 1M
Max output: 32.8K

Side by side

Qwen3.8 27B compared

Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.

Limits
	Qwen3.8 27BQwenThis model	Qwen 3.8 27B FimiQwenRemove
Provider	Qwen	Qwen
Discovery tier	Open weights	Open weights
Added	Aug 16, 2026	Oct 5, 2026
Context window	1.05MBest	262.14K
Max output	32.77K	32.77K
Average output	—	290 tokens
Pricing, USD per 1M tokens
Input	$0.15	$0.10Best
Output	$0.70	$0.60Best
Cache read	$0.04Best	$0.05
Performance
Request success (24h)	99.9%	100.0%Best
Capabilities
Reasoning	Yes	Yes
Tools	Yes	Yes
Vision	Yes	Yes
Structured output	Yes	No
Video input	Yes	No
Reasoning effort	—	—

Public evaluations

Benchmarks

There are no public benchmark results for these models yet.

Live routing data

Performance and reliability

Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.

Prompt cache hits: 41.5%; About $0.10 per 1M input tokens with caching
Request success (24h): 99.9%; Reliable

Cache hits are the share of input tokens recently served from a prompt cache across all requests. They are not a forecast of your own hit rate.

Hourly request success · last 72 hoursLowest hour 98.3%

Healthy (98% or more)
Degraded (90–98%)
Down (under 90%)
No requests

Developers

Use it through the API

Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.

Read the quickstart

curl https://www.noumen.xyz/api/v1/chat/completions \
  -H "Authorization: Bearer $NOUMEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen/qwen3.8-27b",
    "messages": [{ "role": "user", "content": "Explain this stack trace." }]
  }'

import os
from openai import OpenAI

client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
    model="qwen/qwen3.8-27b",
    messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)

Qwen

Other Qwen models, starting with the same family.