Claude Haiku 4.5 vs GPT-5.2

Claude Haiku 4.5 against GPT-5.2
Claude Haiku 4.5GPT-5.2
Coding index49.858.9
Benchmarks behind it Verified, 3 benchmarks Partial, 2 benchmarks
Output $/Mtok$5.00$14.00
Cost per solved task$0.56$1.91
Context window200K400K