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Pick 2–5 published tools. Values come from our evidence-checked profiles — an em-dash means unknown, never “no”. Ranking rows reflect the current published methodology for the comparison context.
Not Diamond vs Kong AI Gateway
Context: LLM Gateways & Model Routing Platforms · 16 rows
| Attribute | Not DiamondNot Diamond | Kong AI GatewayKong |
|---|---|---|
| Identity · Taxonomy | ||
| Documentation | https://code.notdiamond.ai/docs | https://developer.konghq.com/ai-gateway/ |
| Tags | model-routing, llm, coding-agents, ai | llm-gateway, api-gateway, kubernetes, mcp, microservices |
| Platform · Deployment | ||
| Delivery model | SaaS | SaaS, self-hosted |
| Pricing · Licensing | ||
| License model | — | open-source |
| Pricing model | custom | custom |
| Source repository | — | https://github.com/Kong/kong |
| SPDX license IDs | — | Apache-2.0 |
| Features · Product · Fit | ||
| Core capabilities | Per-request intelligent model selection, Routing across provider, model, domain, and reasoning complexity, Cost-savings targeting for agent workloads, Gateway-agnostic integration via API | Multi-LLM routing with provider failover, Semantic caching and load balancing, PII sanitization and semantic prompt guards, Token quotas, chargeback, and spend tracking, MCP server governance and authentication, L7 observability with logging and tracing |
| Api · Integrations · Ecosystem | ||
| API available | true | true |
| Security · Privacy · Compliance | ||
| Security certifications | SOC 2, ISO 27001 | — |
| Audience · Use · Case | ||
| Best for | Engineering teams running coding agents that want per-request model selection to reduce spend while keeping their existing gateway or harness. | Organizations with existing API gateway or Kubernetes infrastructure that want LLM, MCP, and agent traffic governed through one gateway platform. |
| Company-size fit | mid-market, enterprise | SMB, mid-market, enterprise |
| Primary use cases | Model routing for coding agents, LLM cost reduction, Avoiding vendor lock-in | Governing LLM traffic in API infrastructure, MCP and agent-to-agent traffic governance, Provider switching and failover |
| Skill level | advanced | advanced |
| Lifecycle · Versioning | ||
| Maintenance status | active | active |
| Vendor · Maintainer | ||
| Vendor type | commercial | commercial |
“—” means unknown (we never treat missing evidence as a negative). Cells reflect each value's current evidence state; superseded or stale values are excluded. Ranking rows are editorial assessments under the cited methodology version — see the LLM Gateways & Model Routing Platforms category for definitions.