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Limits

MetricValue
Max namespaces per tenantPlan-dependent (5 / 50 / unlimited)
Max vectors per namespacePlan-dependent (100K / 10M / 1B+)
Max vector dimensions4,096
Max batch size (upsert)1,000 rows
Max JSONL body size10 MB
Max query top_k10,000
Max attribute size per row100 KB
Max API key length256 characters
Rate limit (writes)100 req/s (Launch), 1000 req/s (Scale)
Rate limit (reads)1000 req/s (Launch), 10000 req/s (Scale)

These limits are enforced at the Worker level. Enterprise plans can negotiate custom limits.