Also it seems to be more capable, need to test more, but I think it's at least getting on par and it's fully open-source and open-weights.
Here's some benchmarks:
https://benchlm.ai/compare/gpt-5-6-sol-vs-qwen3-8-max
https://qwen.ai/blog?id=qwen3.8#full-benchmark-table (incredible UI/UX demos)
https://venturebeat.com/technology/qwen3-8-max-arrives-with-...
EDIT: Am I early to the discussion, or is none else using Qwen3.8-max?