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qwen/qwen3-8-max

Qwen3.8 Max

Alibaba's flagship Qwen3.8 model: a 2.4T-parameter MoE (95B active) multimodal reasoning model with a 1M-token context window.

8/3/2026
1,000,000 tokens
Input: ¥357.4/M
Output: ¥1,072.2/M
Specifications

Modalities

Input
text
image
Output
text
Code Examples
curl https://api.fastmetal.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "qwen3.8-max",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

How Qwen3.8 Max actually answers

Real responses to our standard prompts, recorded on FastMetal.

Count the number of 'r's in 'strawberry'

Count the number of 'r's in 'strawberry'. Explain your reasoning step by step.

The word **strawberry** is spelled: **s t r a w b e r r y** Now count the letter **r**: 1. s 2. t 3. **r** ← first r 4. a 5. w 6. b 7. e 8. **r** ← second r 9. **r** ← third r 10. y There are **3** letters **r** in **strawberry**.
3.5s response156 output tokens
Debug This Error

I'm getting the following error in my Node.js application: TypeError: Cannot read properties of undefined (reading 'map') at UserList (/app/components/UserList.js:12:25) at renderWithHooks (/app/node_modules/rea…

The error means `users` is `undefined` when `UserList` tries to render: ```js {users.map(user => ...)} ``` JavaScript cannot call `.map()` on `undefined`, so React throws: ```text Cannot read properties of undefined (reading 'map') ``` ## Most likely cause The parent component is rendering `UserList` without passing a valid `users` array, or it is passing `users` before the data has loaded. For example: ```jsx <UserList /> ``` or: ```jsx <UserList users={undefined} /> ``` or: ```jsx const [users, setUsers] = useState(); // undefined initially ``` Then later: ```jsx <UserList users={users} /> ``` On the first render, `users` is still `undefined`. --- ## Fix 1: Give `users` a d…
17.7s response1020 output tokens
Professional Email

Write a professional email to a client explaining that the project delivery will be delayed by two weeks due to unexpected technical challenges discovered during integration testing. The tone should be apologetic but con…

Subject: Revised Project Delivery Timeline – Updated Schedule and Next Steps Dear [Client Name], I hope this message finds you well. I am writing to provide an update on the current status of the project and to inform you that, during our recent integration testing phase, we encountered several unexpected technical challenges that will impact the original delivery timeline. After careful review with the technical team, we now anticipate the revised delivery date will be [insert date – two weeks from original delivery date]. Please accept my sincere apologies for this delay. We understand the importance of this project and the expectations tied to the original schedule. While this situati…
11.9s response547 output tokens

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Try Qwen3.8 Max right now

Qwen3.8 Max is available on FastMetal through one API key. Start in the browser, or call it from the OpenAI SDK.