Claude Haiku 4.5 vs GPT-5.1

Claude Haiku 4.5 against GPT-5.1
Claude Haiku 4.5GPT-5.1
Coding index35.640.4
Benchmarks behind it Verified, 4 benchmarks Verified, 3 benchmarks
Output $/Mtok$5.00$10.00
Cost per solved task$0.56$1.02
Context window200K400K