text model

The generational jump that made LLMs viable for real work.
GPT-4 was the first model most companies trusted with production tasks. It is included here for the capability curve rather than as a recommendation — everything it does, cheaper models now do better.
Variants
Same family, different quality/cost rung. Picking the wrong one is the most common way teams overpay.
gpt-4Original 8K context release.
gpt-4-turboCheaper, faster, 128K context, vision.
gpt-4-32kExtended-context variant of the original.
Fit
The same model is a different proposition depending on what you point it at.
Recruitment fit
Historic interest only — cheaper current models beat it on both quality and cost.
Best for
Strengths
Watch out for
The numbers
Published benchmarks
Vendor and independent figures.