Fastest, cheapest GPT-5.4. Ideal for summarization, classification, and simple tasks.
Independent benchmark scores — composite indices for reasoning, coding, and math, plus individual eval scores where available.
GPT-5.4 Nano runs on 2 different routes through the Opper gateway. Compare residency, ZDR, and training posture at a glance — full data-handling detail per route below.
Training posture across routes: No training on prompts by default.
Each route hosting GPT-5.4 Nano has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.
Zero data retention is available via Opper Enterprise contract. No training on customer data. EU; DPA available.
Zero data retention is available via Opper Enterprise contract. No training on customer data. US; SCCs; DPA available.
Side-by-side on privacy, EU hosting, pricing, and benchmarks.
