text model

The model that started it all — and the cost floor everything is measured against.
GPT-3.5 Turbo is the baseline of this catalogue. It is genuinely cheap and genuinely fast, and for narrow classification it is still occasionally the right tool. For anything requiring judgement it is not competitive, and OpenAI has retired it from new deployments.
Variants
Same family, different quality/cost rung. Picking the wrong one is the most common way teams overpay.
gpt-3.5-turbo-0125Final and best 3.5 release.
gpt-3.5-turbo-instructCompletion-style, not chat.
Fit
The same model is a different proposition depending on what you point it at.
Recruitment fit
Do not screen candidates with this. Its judgement is not good enough to put in front of a hiring decision.
Best for
Strengths
Watch out for
The numbers
Published benchmarks
Vendor and independent figures.