The AI Models Index helps teams decide whether a model upgrade is worth the...

https://spark-wiki.win/index.php/What_Benchmark_Did_OpenAI_Highlight_for_GPT-5.2_at_Launch%3F

The AI Models Index helps teams decide whether a model upgrade is worth the retest. It brings together verified public release dates and blind-vote checks, so you can see what changed and how models compare before switching