Qwen3.8 Max (Reasoning)

by Alibaba Cloud / Qwen Team

Qwen3.8 Max (Reasoning) is a reasoning model from Alibaba Cloud / Qwen Team, released on August 2, 2026. It has a 1M-token context window and can generate up to 256K output tokens. API pricing is $1.65 per 1M input tokens and $4.95 per 1M output tokens. It ranks #11 of 220 models by Intelligence Score with a score of 51.1.

Qwen3.8 Max, released as the Qwen3.8-2.4T-A95B open-weight checkpoint, is Qwen's flagship mixture-of-experts model for coding, research, professional workflows, and long-horizon agents. It has 2.4 trillion total parameters with 95 billion active parameters, a native 262,144-token context window extensible to about 1 million tokens, and always-on thinking. QwenCloud serves the same model in the Qwen3.8 Max API family with text and image input.

Key specs

ProviderAlibaba Cloud / Qwen Team
Release date2026-08-02
Licenseopen weights
Context window1M tokens
Max output256K tokens
Input price$1.65 / 1M tokens
Output price$4.95 / 1M tokens
Intelligence Score51.1
Coding index38.1
Output speed42 tokens/s
Time to first token7.42 s

Quick answers

What is the context window of Qwen3.8 Max (Reasoning)?

Qwen3.8 Max (Reasoning) has a context window of 1M tokens, with a maximum output of 256K tokens per response.

How much does Qwen3.8 Max (Reasoning) cost?

Qwen3.8 Max (Reasoning) costs $1.65 per 1M input tokens and $4.95 per 1M output tokens through the API.

Is Qwen3.8 Max (Reasoning) open source?

Yes. Qwen3.8 Max (Reasoning) is an open model released under the open weights license.

When was Qwen3.8 Max (Reasoning) released?

Alibaba Cloud / Qwen Team released Qwen3.8 Max (Reasoning) on August 2, 2026.

How does Qwen3.8 Max (Reasoning) compare to Claude Opus 5.5 (Reasoning)?

Qwen3.8 Max (Reasoning) scores 51.1 on the Intelligence Score versus 60.5 for Claude Opus 5.5 (Reasoning), the current #1. Input pricing is $1.65 vs $4 per 1M tokens.

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