Jev vs GPT for routing

1. Head-to-head

• Output — GPT: free text; Jev: choice / score / noul
• Latency — GPT: often seconds; Jev: often 70–500ms
• Parsing — GPT: prompt + JSON mode fragile; Jev: schema in the question types
• Cost — GPT: input+output tokens; Jev on this host: input only, output free
• Creativity — GPT wins; Jev is not a writer

2. When to pick which

Pick Jev when the software must branch: ticket queue, moderation gate, model router, lead score. Pick GPT when the user needs an explanation, draft, or open-ended plan.

3. Hybrid stack

Many production agents call Jev first. High-confidence routes go to cheap tools or small models; low-confidence or generative work escalates to GPT-class models. That split is where System One shines.

Benchmarks and role split: Benchmarks · compare page for the narrative.