GPT-5.2-Codex vs Qwen3.5 Plus 2026-04-20

GPT-5.2-Codex against Qwen3.5 Plus 2026-04-20
GPT-5.2-CodexQwen3.5 Plus 2026-04-20
Coding index45.439.5
Benchmarks behind it Verified, 3 benchmarks Partial, 2 benchmarks
Output $/Mtok$14.00$1.80
Cost per solved task$0.43$1.35
Context window400K1M