which is more powerful magic missile, chromatic orb, or a cantrip?

I am a 9 level Wild Magic Sorcerer. He is using a 2024 Chromatic Orb build, and his feats include Elemental Adapter and Metamagic Adapter.

He has a total of 11 spell points, and his metamagic mainly consists of two options: one that enhances chromatic orb by re-rolling the damage roll using his Charisma modifier, and another that lets him spend 1 sp to re-roll the attack roll when he misses.

I activate Innate Sorcery and end up spamming upcast Chromatic Orb so often that I frequently run out of spell slots. Every time that happens, I only resort to using cantrips.

However, it occurred to me that I can always create a 1st-level slot using my remaining sp and spam that instead.

With the magic items and feats I have right now, I can have 20 sp per day. That means I can cast a 1st-level Chromatic Orb or Magic Missile up to 10 times.

So, as a 9th-level sorcerer with Innate Sorcery, Metamagic, and Elemental Adapter, is a 1st-level Chromatic Orb the better choice? Or is a 1st-level Magic Missile a better choice?

If not, considering that 2 sp is a steep cost for a 1st-level spell, is cantrip the best option?

I’m not sure which option is the best.