Qwen 3.8 Max

Frontier Vision Alibaba

Alibaba's most capable closed flagship, built on the Qwen3.5 architecture with major gains in coding, research and long-horizon agentic work. Vision, function calling and a 262k context window. Available exclusively through Fireworks AI.

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Specifications

Context window 262,144 tokens

Max output 32,768 tokens

Knowledge cutoff March 2026

Multipart messages Yes

Vision capabilities Yes

Default Parameters

Temperature 0.6

Top P 1.0

Frequency penalty 0.0

Presence penalty 0.0

Top K 40