Alibaba: qwen3-max-2025-09-23 API
The first stable production snapshot of the trillion-parameter (1T+) flagship model released by Alibaba Cloud on September 23, 2025. This version marks the transition from "Preview" to a stable production stage for the Qwen3-Max series. Building upon the 0905 Preview, it significantly enhances long-context retrieval stability, cross-language code architecture comprehension, and complex instruction alignment. Utilizing an improved MoE architecture with global-batch load balancing loss, it achieves elite-tier scores in AIME 25 (Math) and SWE-bench (Coding) without compromising inference speed.
- Context window: 262,144 tokens
- Max output: 65,536 tokens
- Input: text
- Output: text
- Reasoning: Supported
- Tool calling: Supported
- File input: Supported
- Released: 2025-09-22
- Knowledge cutoff: 2025-10-14
Frequently Asked Questions
What is the context window of qwen3-max-2025-09-23?
qwen3-max-2025-09-23 supports a context window of up to 262,144 tokens.
Does qwen3-max-2025-09-23 support function calling?
Yes. qwen3-max-2025-09-23 supports tool / function calling.
Does qwen3-max-2025-09-23 support reasoning?
Yes. qwen3-max-2025-09-23 is a reasoning-capable model.
What is the knowledge cutoff of qwen3-max-2025-09-23?
The knowledge cutoff of qwen3-max-2025-09-23 is 2025-10-14.