One policy surface
Apply identity, traffic policy, audit, and observability to REST, gRPC, LLM, MCP, and A2A routes from one gateway configuration.
Enterprise gateway comparison
LiteLLM gives teams a mature abstraction across many model providers. Tygress goes further: one self-hosted Rust data plane for enterprise APIs, LLMs, MCP tools, and AI agents, with identity, governance, cost control, and observability applied before every upstream.
Tygress is pre-launch. LiteLLM claims were checked against first-party documentation on 21 August 2026.
Every workload
One Rust data plane
Tygress
One route model and one policy chain for API, model, tool, and agent traffic.
Every upstream
Why Tygress
The case for Tygress is not that LiteLLM lacks useful model features. It is that enterprise AI traffic eventually needs the same identity, resilience, protocol support, and audit discipline as every other API. Tygress brings those concerns into one data plane instead of synchronizing policy across an API gateway and a separate LLM proxy.
Apply identity, traffic policy, audit, and observability to REST, gRPC, LLM, MCP, and A2A routes from one gateway configuration.
Chain OIDC, LDAP, mTLS, OAuth2 introspection, JWE, HMAC, and API keys per route, then map credentials to consumers and tenants.
Redact PII and secrets, block prompt injection, enforce model and tool access, and hold sensitive calls for approval before forwarding.
Combine virtual keys, token-aware limits, USD budgets, semantic caching, quota-aware key pools, and provider failover.
Tygress runs its proxy and policy path in Rust on Pingora, without a Python request path or garbage-collected data plane.
Run all-in-one or split control and data planes in your VPC, on-premises, Kubernetes, or an air-gapped environment.
Side by side
This is a category comparison, not a claim that one product wins every workload. Tygress is designed for consolidation; LiteLLM is optimized for dedicated model access.
| Capability | Tygress | LiteLLM |
|---|---|---|
| Primary job | Enterprise API + AI gateway | LLM gateway and Python SDK |
| Traffic governed | REST, gRPC, WebSocket, LLM, MCP, A2A | LLM, model, MCP, and agent traffic; HTTP pass-through available |
| Runtime | Rust and Pingora end to end | Python by default; opt-in Rust paths are beta |
| Gateway authentication | OIDC, LDAP, mTLS, OAuth2, JWT/JWKS, JWE, HMAC, API keys | Virtual keys; OIDC/JWT gateway auth is listed as Enterprise |
| Operational footprint | One binary; NATS, Postgres, and Redis are optional by topology or feature | Proxy service; Postgres required for virtual keys, Redis used for distributed features |
| AI controls | DLP, prompt guard, semantic cache, token limits, USD budgets, failover | Broad guardrail ecosystem, caching, budgets, routing, and fallbacks |
| Agent governance | MCP + A2A routing, per-consumer tool policy, gateway-held approvals | MCP and agent gateway with key, team, and organization access controls |
| Best fit | Teams consolidating API and AI infrastructure | Teams that need a mature, dedicated LLM abstraction today |
| Availability | Pre-launch; waitlist open | Available and production-deployed |
Decision guide
Choose LiteLLM when
Migration path
Tygress targets LiteLLM Proxy deployments, not the in-process Python SDK. OpenAI-compatible clients keep the same request shape while infrastructure policy moves to Tygress in deliberate stages.
Point OpenAI-compatible clients at Tygress and preserve the application-facing chat and embeddings contract.
Replace shared proxy credentials with consumer identity, per-route authentication, and tenant-aware policy.
Translate model aliases, fallbacks, rate limits, budgets, caches, and guardrails into Tygress routes and plugins.
Bring REST, gRPC, and agent traffic onto the same data plane, then retire duplicate gateway policy gradually.
FAQ
Yes, for teams evaluating a deployed LLM gateway or proxy. Tygress exposes an OpenAI-compatible API and provides model routing, virtual keys, failover, budgets, guardrails, and observability. It also handles REST, gRPC, WebSocket, MCP, and A2A traffic, so it can replace the separate API gateway that commonly sits beside LiteLLM. Tygress is currently pre-launch.
LiteLLM is centered on model access through its Python SDK and LLM proxy. Tygress is an enterprise API gateway and AI gateway in one Rust data plane. The practical difference is scope: Tygress applies one identity, policy, and observability model to application APIs, model calls, MCP tools, and agent traffic.
LiteLLM has an opt-in Rust core in beta. Its current documentation says Python still owns authentication, configuration, routing, logging, callbacks, and spend tracking, while supported provider paths can use Rust and unsupported paths fall back to Python. Tygress uses Rust for its data plane and policy path end to end.
Yes. Tygress presents an OpenAI-compatible endpoint for chat completions and embeddings. In most applications the client integration begins with a base URL and credential change, followed by deliberate migration of keys, model aliases, budgets, and guardrail policy.
LiteLLM is the stronger choice when you need its broad provider catalog, Python SDK, mature deployment history, or an LLM-only proxy immediately. Tygress is the stronger architectural fit when the goal is to consolidate API and AI governance, but it is still pre-launch.
Competitor capabilities change quickly. These claims use LiteLLM's own documentation and pricing page, checked 21 August 2026.
One gateway for the whole stack
Join the waitlist for Tygress early access, migration guidance, and launch updates.