Claude Sonnet 5 Skips Priority Tier: What the Service-Tier Gap Means for Latency-Sensitive Routing Teams
Claude Sonnet 5 is excluded from Priority Tier — and Priority Tier is now closed to new purchases. Teams with latency-critical workloads face a routing fork: keep Priority Tier on older models or migrate to Sonnet 5 at standard-tier SLAs.
via Anthropic