Qwen · Frontier

Qwen3.8 Max Thinking

Added Aug 3, 2026

Qwen3.8 Max Thinking enables generation-time reasoning for deeper coding, knowledge work, data analysis, and long-running agent workflows. It supports text, image, video, PDF input, tool calling, structured output, and a near-million-token context window.

Reasoning
Tools
Vision
Structured output
PDF input
Video input

Input: Text, Images, Video
Output: Text
Reasoning effort: low · medium · high · max
Discovery tier: Frontier

Pricing

USD per 1M tokens

Input: $2.00
Output: $6.00
Cache read: $0.25
Cache write: $2.50

Reference prices as published by the model provider. API example

Specifications

Context window: 991K
Max output: 131.1K

Side by side

Qwen3.8 Max Thinking compared

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

Limits
	Qwen3.8 Max ThinkingQwenThis model	Qwen3 Max 2026-01-23QwenRemove
Provider	Qwen	Qwen
Discovery tier	Frontier	Balanced
Added	Aug 3, 2026	Jan 26, 2026
Context window	991KBest	256K
Max output	131.07KBest	32.77K
Pricing, USD per 1M tokens
Input	$2.00	$1.20Best
Output	$6.00Best	$6.00
Cache read	$0.25	—
Cache write	$2.50	—
Performance
Request success (24h)	94.0%	—
Capabilities
Reasoning	Yes	No
Tools	Yes	No
Vision	Yes	No
Structured output	Yes	No
PDF input	Yes	No
Video input	Yes	No
Reasoning effort	low, medium, high, max	—

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: 96.5%; About $0.31 per 1M input tokens with caching
Request success (24h): 94.0%; Unstable

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 26.4%

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-max:thinking",
    "reasoning_effort": "medium",
    "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-max:thinking",
    messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)

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