GPT-4.1 vs o1

Treat this as a split decision. GPT-4.1 makes more sense if you want the cheaper token bill or you need the larger 1M context window; o1 is the better fit if knowledge is the priority or you want the stronger reasoning-first profile.

GPT-4.1 and o1 finish on the same provisional overall score, so this is less about a single winner and more about where the edge shows up. The provisional headline says tie; the benchmark table is where the real choice happens.

o1 is also the more expensive model on tokens at $15.00 input / $60.00 output per 1M tokens, versus $2.00 input / $8.00 output per 1M tokens for GPT-4.1. That is roughly 7.5x on output cost alone. o1 is the reasoning model in the pair, while GPT-4.1 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. GPT-4.1 gives you the larger context window at 1M, compared with 200K for o1.