{"slug":"litellm","url":"https://www.altairalabs.ai/vs/litellm/","markdown":"https://www.altairalabs.ai/vs/litellm.md","name":"LiteLLM","vendor":"BerriAI","category":"Gateways and guardrails","checked":"2026-10-22","summary":"Omnia runs the agent behind the gateway: it tests each version, rolls it out and checks each tool call against the caller’s identity. LiteLLM routes the model call, and doesn’t see whether the agent works or what its tools are asked to do.","headline":"LiteLLM routes the model call. Omnia runs the agent around it.","scene":{"setup":"A support agent is about to get a new model behind the same gateway.","omnia":"Swapping the model makes a new version. Simulated customers try it through the real tools before release. Once it passes, it gets part of the traffic and is rolled back if its metrics drop.","omniaCaps":["selfplay","deploy-gate","progressive-rollout","metric-gated-promotion"],"them":"LiteLLM routes the call to the new model, with fallbacks if it fails. Testing and releasing the agent aren’t in scope.","source":"https://docs.litellm.ai/docs/proxy/users","omniaEvidence":"https://promptarena.altairalabs.ai/arena/explanation/scenario-design/"},"differences":[{"title":"Testing the agent behind the gateway","body":"Each version is tested as a whole agent, in multi-turn conversations with hostile and duplex voice callers, through the tools it’ll use in production. It ships when the suite passes.","caps":["selfplay","adversarial","voice-testing","deploy-gate"],"them":"A gateway and an agent SDK that routes model calls.","source":"https://github.com/BerriAI/litellm","omniaEnterprise":false,"omniaEvidence":"https://promptarena.altairalabs.ai/arena/explanation/scenario-design/"},{"title":"The caller’s identity in the policy","body":"The end user’s identity comes in from OIDC or your gateway and travels with the agent to every tool call. The policy rule reads it alongside the call’s arguments, and a call it can’t clear is refused.","caps":["per-call-policy","claim-based-access","end-user-identity"],"them":"Pre-MCP-call guardrails see the arguments; end-user identity drives MCP permissions and budgets.","source":"https://docs.litellm.ai/docs/mcp_guardrail","omniaEnterprise":true,"omniaEvidence":"https://omnia.altairalabs.ai/how-to/security/configure-tool-policies/"},{"title":"Budgets without extra plumbing","body":"Daily and monthly budgets per agent, provider or workspace come with the platform, each with an action on breach.","caps":["cost-budgets","cost-analytics"],"them":"Budgets block when exceeded and require a database.","source":"https://docs.litellm.ai/docs/proxy/users","omniaEnterprise":false,"omniaEvidence":"https://www.altairalabs.ai/scale"}],"rows":[{"topic":"Model providers","omnia":"Seven native protocols and any OpenAI-compatible URL.","caps":["native-interfaces","openai-compatible"],"them":"100+ providers.","coverage":"yes","source":"https://github.com/BerriAI/litellm","omniaEnterprise":false,"omniaEvidence":"https://omnia.altairalabs.ai/reference/core/provider/"},{"topic":"Self-hosted on Kubernetes","omnia":"Helm.","caps":["workspaces"],"them":"Helm chart.","coverage":"yes","source":"https://github.com/BerriAI/litellm","omniaEnterprise":false,"omniaEvidence":"https://omnia.altairalabs.ai/how-to/workspaces/manage-workspaces/"},{"topic":"Blocking budgets","omnia":"Yes.","caps":["cost-budgets"],"them":"Yes.","coverage":"yes","source":"https://docs.litellm.ai/docs/proxy/users","omniaEnterprise":false,"omniaEvidence":"https://www.altairalabs.ai/scale"},{"topic":"Argument-level tool policy","omnia":"Deterministic, with caller identity.","caps":["per-call-policy","claim-based-access"],"them":"Guardrail hooks before MCP calls.","coverage":"partly","source":"https://docs.litellm.ai/docs/mcp_guardrail","omniaEnterprise":true,"omniaEvidence":"https://omnia.altairalabs.ai/how-to/security/configure-tool-policies/"},{"topic":"Simulated users before release","omnia":"Yes.","caps":["selfplay"],"them":"Not documented.","coverage":"undocumented","source":"https://github.com/BerriAI/litellm","omniaEnterprise":false,"omniaEvidence":"https://promptarena.altairalabs.ai/arena/explanation/scenario-design/"},{"topic":"Stepped rollout, auto rollback","omnia":"Yes.","caps":["progressive-rollout"],"them":"Not in scope.","coverage":"undocumented","source":"https://github.com/BerriAI/litellm","omniaEnterprise":false,"omniaEvidence":"https://omnia.altairalabs.ai/tutorials/progressive-rollouts/"}],"faq":[{"q":"Can I keep LiteLLM in front of the models?","a":"Yes. Point an Omnia provider at LiteLLM’s OpenAI-compatible endpoint, and Omnia’s testing, rollout and tool policy sit on top."}]}