The C8i-flex instance family, generally available since October 6, 2025, features custom Intel Xeon 6 processors with a sustained all-core turbo frequency of 3.9 GHz. These compute-optimized instances deliver up to 15% better price performance compared to previous generation instances. C8i-flex instances support up to 30 Gbps of networking bandwidth and up to 20 Gbps of EBS bandwidth. They do not offer instance storage and are built on the AWS Nitro System.