GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning to allocate computation dynamically, responding quickly to simple queries while spending more depth on complex tasks. The model produces clearer, more grounded explanations with reduced jargon, making it easier to follow even on technical or multi-step problems. Built for broad task coverage, GPT-5.1 delivers consistent gains across math, coding, and structured analysis workloads, with more coherent long-form answers and improved tool-use reliability. It also features refined conversational alignment, enabling warmer, more intuitive responses without compromising precision. GPT-5.1 serves as the primary full-capability successor to GPT-5
GPT-5.1 est un modèle équilibré de GPT : un bon compromis entre bonnes performances à un prix raisonnable.
Bon rapport coût-performance. Fiable pour la plupart des usages professionnels sans tarification premium.
| Type | par 1M tokens |
|---|---|
| Entrée (prompt) | $1.25 |
| Sortie (complétion) | $10.00 |
| Lecture cache | $0.125 |
Ce modèle peut utiliser vos données pour l'entraînement