AI Gateway Use Cases
Organized by "what you want to achieve" — strings gateway capabilities into actionable plans, each linking to the full step-by-step in the docs.
These use cases come from what developers and architects actually ask about on Reddit, StackOverflow, and Zhihu — cost, high availability, multi-tenancy, compliance/audit, and troubleshooting. Each ties community pain points to GateLLM capabilities and links to the full how-to and config reference in the docs.
Reduce LLM Cost
Pain: Monthly invoice arrives, then you find out you burned $10k
Fix: BYOK, no token markup + Composition + real-time cost attribution
High Availability
Pain: One provider outage takes the whole app down
Fix: Multi-node failover + cross-provider fallback + Ensemble
Multi-Tenant Isolation
Pain: One shared API key, no idea who spent what
Fix: Key groups + Header ACL + per-tenant rate limit & billing
Compliance & Audit
Pain: Data can't leave the country, PII must be redacted, audit logs required
Fix: Self-hosted + two-layer redaction + logging + retention
Troubleshoot by Symptom
Pain: Streaming broke / 429 / 502, no idea where it stuck
Fix: z-request-id end-to-end tracing + normalized error codes