Verified65% confidenceFactTime unknown
Qwen2 was released in mid-2024 and adopted architectural improvements such as Grouped Query Attention (GQA) and sliding window attention.
3
Sources
65%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
Qwen在SWE-bench持续领跑：开源AI编程模型的崛起
twitterSWEbench
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