AIFeatured1 min read
A 158 ms model just rewrote the speed-quality playbook
The 158 ms model that broke the speed-quality rule
Celeris-1 scores 75.9% on MMLU-Pro at 158 ms latency, eight times faster than GPT-5 mini while losing only 2.6 accuracy points. The analysis examines the benchmark methodology and what this speed-quality trade-off means for real-time AI applications.
2026-07-25