The closest alternative to Qwen3.5-35B-A3B is Claude Sonnet 4.5 — comparable intelligence (29.3 vs 29.3); for a cheaper option, GPT-5.6 Luna runs $0.100/M vs $0.140/M; and the best open-weight substitute is Kimi K3.
Claude Sonnet 4.5 is the closest alternative to Qwen3.5-35B-A3B, with an Intelligence Index of 29.3 (Qwen3.5-35B-A3B scores 29.3) at $3.00 per million input tokens.
Yes — GPT-5.6 Luna costs $0.100 per million input tokens versus $0.140 for Qwen3.5-35B-A3B, while staying within ~8 points of its Intelligence Index.
Kimi K3 is the strongest open-weight alternative to Qwen3.5-35B-A3B — downloadable from Hugging Face and self-hostable, scoring 57.1 on intelligence.