# LiteLLM vs TensorZero

**Leader by Vioscale score:** LiteLLM

| Attribute | LiteLLM | TensorZero |
|---|---|---|
| **Vioscale score** | 81 (36% (low)) | 46.6 (21% (low)) |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | - | 11,719 |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open-source AI gateway that provides a centralized control point for managing multiple large language models from different providers. It offers virtual key management, spend tracking, budget controls, and intelligent request routing without charging per token. | A unified operations platform for LLM applications that provides infrastructure for routing API calls, tracking performance metrics, running experiments, and optimizing model and prompt configurations. Built as self-hosted open-source software designed for production-scale deployments. |
| features.capabilities | `{"open_source":true,"pricing_model":"open-source-self-host","rate_limiting":true,"deployment_model":"self-hosted","routing_strategy":"cost-based","architecture_model":"open_source_proxy","automatic_failover":true,"budget_spend_controls":true,"guardrails_moderation":"built-in","openai_compatible_api":true,"virtual_key_management":true,"request_cost_observability":true,"bring_your_own_keys_byok_routing":true,"mit_or_apache_permissive_oss_license":true,"custom_rate_limiting_by_user_or_tenant_id":true,"universal_api_key_for_100_plus_llm_providers":true,"auto_fallback_routing_on_rate_limit_or_downtime":true,"organization_wide_cost_tracking_and_chargebacks":true}` | `{"open_source":true,"pricing_model":"open-source-self-host","deployment_model":"self-hosted","openai_compatible_api":true,"virtual_key_management":true,"request_cost_observability":true}` |
| integrations.count | 140 | 3 |
| integrations.list | `[{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Azure"},{"name":"AWS Bedrock"},{"name":"Cloudflare"},{"name":"Google VertexAI"},{"name":"Meta Llama"},{"name":"Mistral AI"},{"name":"NLP Cloud"},{"name":"OVHCloud"},{"name":"vLLM"},{"name":"Nvidia NIM"},{"name":"Slack"},{"name":"Discord"},{"name":"Microsoft Teams"},{"name":"PagerDuty"},{"name":"Prometheus"},{"name":"AWS Secrets Manager"},{"name":"Google Cloud Secret Manager"},{"name":"MCP servers"},{"name":"Gemini"},{"name":"Bedrock"},{"name":"VertexAI"},{"name":"Langfuse"},{"name":"Langsmith"},{"name":"Datadog"},{"name":"Email"},{"name":"Webhook"},{"name":"S3"},{"name":"Google Cloud Storage"},{"name":"Azure Data Lake"},{"name":"GCP Secret Manager"}]` | `[{"name":"OpenAI"},{"name":"Ollama"},{"name":"Slack"}]` |
| language.primary | - | Rust |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Open Source","summary":"Free forever, self-hosted","features":["100+ LLM providers","Virtual keys, users & teams","Spend tracking","Prometheus metrics","Logging and alerting","Admin UI","Guardrails","Load balancing"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"MIT-licensed, self-hosted gateway","contactSales":false,"includedLimits":{"providers":"100+","deployment":"self-hosted"}},{"free":false,"name":"Enterprise","summary":"Priced annually based on gateway request capacity and deployment architecture","features":["Everything in Open Source, plus:","SSO + SCIM provisioning","OIDC / JWT authentication","Audit logs on every request","Secret manager integration","Key rotation","Organization & team administration","Multi-region control plane","24/7 support & SLAs","Dedicated support & onboarding","Volume discount tiers","Air-gapped deployment available"],"commitment":"annual","description":"Production deployment with governance, security, and professional support","contactSales":true,"includedLimits":{"deployment":"self-hosted or air-gapped"}}],"summary":"Free open-source tier. Enterprise pricing based on annual request volume, not per-token.","currency":"USD","freeTier":true,"sourceUrl":"https://www.litellm.ai/pricing","retrievedAt":"2026-08-19T13:43:01.911Z","freeTrialDays":30,"billingPeriods":["year"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://www.tensorzero.com","retrievedAt":"2026-08-21T11:02:53.667Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | yes | - |
| release.cadence_days | - | 6 |
| release.history | - | `[{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.6.0","date":"2026-06-04T15:15:42Z","type":"stable","version":"2026.6.0"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.5.2","date":"2026-05-20T13:48:00Z","type":"stable","version":"2026.5.2"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.5.1","date":"2026-05-15T19:09:30Z","type":"stable","version":"2026.5.1"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.5.0","date":"2026-05-08T20:45:55Z","type":"stable","version":"2026.5.0"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.4.1","date":"2026-04-24T17:46:47Z","type":"stable","version":"2026.4.1"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.4.0","date":"2026-04-02T17:00:15Z","type":"stable","version":"2026.4.0"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.3.4","date":"2026-03-26T14:27:42Z","type":"stable","version":"2026.3.4"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.3.3","date":"2026-03-18T16:23:28Z","type":"stable","version":"2026.3.3"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.3.2","date":"2026-03-13T16:09:19Z","type":"stable","version":"2026.3.2"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.3.1","date":"2026-03-05T22:13:25Z","type":"stable","version":"2026.3.1"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.3.0","date":"2026-03-04T20:40:09Z","type":"stable","version":"2026.3.0"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.2.2","date":"2026-02-26T18:47:41Z","type":"stable","version":"2026.2.2"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.2.1","date":"2026-02-16T21:54:07Z","type":"stable","version":"2026.2.1"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.2.0","date":"2026-02-05T19:42:51Z","type":"stable","version":"2026.2.0"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.1.8","date":"2026-01-30T22:37:46Z","type":"stable","version":"2026.1.8"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.1.7","date":"2026-01-30T19:29:46Z","type":"stable","version":"2026.1.7"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.1.6","date":"2026-01-30T17:42:01Z","type":"stable","version":"2026.1.6"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.1.5","date":"2026-01-24T17:25:58Z","type":"stable","version":"2026.1.5"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.1.2","date":"2026-01-15T19:33:47Z","type":"stable","version":"2026.1.2"},{"url":"https://github.com/tensorzero/tensorzero/releases/tag/2026.1.1","date":"2026-01-14T18:46:55Z","type":"stable","version":"2026.1.1"}]` |
| security.vulnerabilities | - | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=tensorzero&per_page=100","last_12m":1,"max_severity":"HIGH"}` |

## Capabilities (Llm Gateways)

| Capability | LiteLLM | TensorZero |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Openai compatible API | ✓ | ✓ |
| Automatic failover | ✓ | - |
| Routing strategy | Cost based | - |
| Caching | - | - |
| Virtual key management | ✓ | ✓ |
| Budget spend controls | ✓ | - |
| Rate limiting | ✓ | - |
| Guardrails moderation | Built in | - |
| Request cost observability | ✓ | ✓ |
| Streaming support | - | - |
| Deployment model | Self hosted | Self hosted |
| Open source | ✓ | ✓ |
| Pricing model | Open source self host | Open source self host |

*Source: Vioscale. Generated 2026-09-01T17:04:27.823Z. "-" = undocumented, not absent.*