Compare AI gateways

Pick up to four platforms. Every cell shows a verification state, not a marketing claim — “not publicly documented” means we could not find an official source, not that the capability is missing. See our methodology.

AI gateway feature comparison
CapabilityAZAzure API Management AI Gateway
Security
Prompt-injection detectionIdentifies attempts to override system instructions in prompts or tool output.LimitedLimited. Partially documented.Delivered by integrating Azure AI Content Safety, not by the gateway itself.
Prompt-injection blockingBlocks the request before it reaches the model, rather than only logging it.Verification pendingVerification pending. Verification pending.
Jailbreak detectionDetects known jailbreak and guardrail-evasion patterns.Verification pendingVerification pending. Verification pending.
PII detectionIdentifies personal information in prompts or responses.Not publicly documentedNot publicly documented. Not publicly documented.
PII redactionMasks or removes personal information before it leaves the gateway.Verification pendingVerification pending. Verification pending.
Secret & credential scanningDetects API keys, tokens and credentials in prompts or output.Verification pendingVerification pending. Verification pending.
Input inspectionInspects outbound requests before they reach the model.Verification pendingVerification pending. Verification pending.
Output inspectionInspects inbound model responses before they reach the application.Verification pendingVerification pending. Verification pending.
Content moderationClassifies harmful or policy-violating content. Not equivalent to injection defense.Verification pendingVerification pending. Verification pending.
Policy enforcementConfigurable rules applied per route, team, key or environment.AvailableAvailable. Verified from official documentation.GenAI gateway capabilities are implemented as API Management policies.
Agent & tool controlsConstrains tool calls, autonomous actions and agent permissions.Verification pendingVerification pending. Verification pending.
MCP securityControls or inspects Model Context Protocol server traffic.AvailableAvailable. Verified from official documentation.MCP server exposure and governance.
Audit logsDurable, reviewable record of requests and policy decisions.AvailableAvailable. Verified from official documentation.Diagnostics and Azure Monitor logging.
Access controlsRoles, teams, keys and scoped permissions.AvailableAvailable. Verified from official documentation.Subscriptions, Entra ID and role-based access.
Cost optimization
Prompt compressionReduces the number of tokens actually sent to the model.Not publicly documentedNot publicly documented. Not publicly documented.
Exact cachingReturns a stored response for a byte-identical request.AvailableAvailable. Verified from official documentation.Response caching policy.
Semantic cachingReturns a stored response for a semantically similar request using embeddings.AvailableAvailable. Verified from official documentation.Semantic caching policy backed by embeddings.
Intelligent model routingChooses a model per request based on task, cost or performance.AvailableAvailable. Verified from official documentation.Routing across backend pools and deployments.
Automatic fallbackRetries against an alternate model or provider on failure.AvailableAvailable. Verified from official documentation.Circuit breaker and backend failover.
Load balancingDistributes traffic across keys, regions or providers.AvailableAvailable. Verified from official documentation.Backend pools with load balancing across deployments.
Token budgetsHard or soft limits expressed in tokens.AvailableAvailable. Verified from official documentation.Token quota policy per key or subscription.
Dollar budgetsSpending limits expressed in currency.Verification pendingVerification pending. Verification pending.
Rate limitsRequest throttling. Throttling is not the same as token reduction.AvailableAvailable. Verified from official documentation.Token-per-minute rate limiting policy.
Cost attributionAttributes spend to teams, keys, users or features.AvailableAvailable. Verified from official documentation.Token metrics can be dimensioned per subscription or client.
Cost analyticsDashboards and reporting on token and dollar usage.AvailableAvailable. Verified from official documentation.Token-metric emission to Azure Monitor / Application Insights.
Savings reportingReports the spend avoided by compression, caching or routing.Verification pendingVerification pending. Verification pending.
Models and deployment
OpenAISupports OpenAI models.AvailableAvailable. Verified from official documentation.Supported via the OpenAI-compatible passthrough.
AnthropicSupports Anthropic models.Verification pendingVerification pending. Verification pending.
Google GeminiSupports Google Gemini models.Verification pendingVerification pending. Verification pending.
AWS BedrockSupports AWS Bedrock as a provider.Verification pendingVerification pending. Verification pending.
Azure OpenAISupports Azure OpenAI deployments.AvailableAvailable. Verified from official documentation.
Open-source modelsSupports open-weight models or self-hosted inference endpoints.AvailableAvailable. Verified from official documentation.Azure AI model inference endpoints.
SaaS deploymentVendor-hosted managed service.AvailableAvailable. Verified from official documentation.
VPC / private cloudDeployable inside a customer cloud account.AvailableAvailable. Verified from official documentation.VNet integration.
On-premiseDeployable in a customer data centre.AvailableAvailable. Verified from official documentation.Self-hosted gateway can run on-premise.
Self-hostedCustomer runs and operates the gateway themselves.AvailableAvailable. Verified from official documentation.Self-hosted gateway container.
Open-source optionSource code published under an open-source licence.Verification pendingVerification pending. Verification pending.
APIProgrammatic API for configuration or traffic.AvailableAvailable. Verified from official documentation.
SDKOfficial client libraries.Verification pendingVerification pending. Verification pending.
Commercial
Public pricingList pricing published on the vendor website.AvailableAvailable. Verified from official product page.Azure API Management pricing tiers are published.
Free tierA permanently free usage tier.Verification pendingVerification pending. Verification pending.
Free trialA time-limited or credit-limited trial.Verification pendingVerification pending. Verification pending.
Enterprise planA named enterprise tier.Verification pendingVerification pending. Verification pending.
Contact sales requiredPricing requires contacting the vendor.Verification pendingVerification pending. Verification pending.
Best forOrganisations standardised on Azure that want gateway policy in their existing API layer
Last reviewed2026-07-30