# LiteLLM vs One API

**Leader by Vioscale score:** LiteLLM

| Attribute | LiteLLM | One API |
|---|---|---|
| **Vioscale score** | 81 (36% (low)) | 48.3 (27% (low)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | - | 36,589 |
| 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. | An open-source system for managing and redistributing API access across multiple large language model providers—including OpenAI, Claude, Gemini, and others—through a single OpenAI-compatible API. Deploys as a self-contained binary or Docker container. |
| 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","rate_limiting":true,"deployment_model":"self-hosted","streaming_support":true,"budget_spend_controls":true,"openai_compatible_api":true,"virtual_key_management":true,"request_cost_observability":true}` |
| integrations.count | 140 | 13 |
| 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":"Azure OpenAI"},{"name":"Anthropic Claude"},{"name":"Google Gemini"},{"name":"DeepSeek"},{"name":"ByteDance Douyin"},{"name":"ChatGLM"},{"name":"Baidu ERNIE Bot"},{"name":"iFLYTEK Spark"},{"name":"Alibaba Tongyi Qianwen"},{"name":"360 Brain"},{"name":"Tencent Hunyuan"},{"name":"Cloudflare Gateway"}]` |
| language.primary | - | JavaScript |
| license.spdx | - | MIT |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":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","sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-21T10:58:36.575Z"}` |
| pricing.free_tier | yes | - |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.transparent | yes | - |
| release.cadence_days | - | 19 |
| release.history | - | `[{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.10","date":"2025-02-02T12:29:38Z","type":"stable","version":"v0.6.10"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.9","date":"2024-12-22T10:26:16Z","type":"stable","version":"v0.6.9"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.8","date":"2024-08-06T15:54:14Z","type":"stable","version":"v0.6.8"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.7","date":"2024-06-25T14:59:20Z","type":"stable","version":"v0.6.7"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.6","date":"2024-05-27T17:50:41Z","type":"stable","version":"v0.6.6"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.5","date":"2024-04-19T16:41:28Z","type":"stable","version":"v0.6.5"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.4","date":"2024-03-30T02:50:28Z","type":"stable","version":"v0.6.4"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.3","date":"2024-03-24T15:45:48Z","type":"stable","version":"v0.6.3"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.2","date":"2024-03-15T16:02:51Z","type":"stable","version":"v0.6.2"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.1","date":"2024-03-10T11:53:06Z","type":"stable","version":"v0.6.1"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.0","date":"2024-03-01T16:03:46Z","type":"stable","version":"v0.6.0"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.11","date":"2024-01-14T06:10:03Z","type":"stable","version":"v0.5.11"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.10","date":"2023-12-20T14:01:03Z","type":"stable","version":"v0.5.10"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.9","date":"2023-12-10T11:53:49Z","type":"stable","version":"v0.5.9"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.8","date":"2023-11-24T12:43:21Z","type":"stable","version":"v0.5.8"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.7","date":"2023-11-05T11:21:21Z","type":"stable","version":"v0.5.7"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.6","date":"2023-10-02T04:24:07Z","type":"stable","version":"v0.5.6"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.5","date":"2023-09-17T10:05:37Z","type":"stable","version":"v0.5.5"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.4","date":"2023-08-30T13:48:20Z","type":"stable","version":"v0.5.4"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.3","date":"2023-08-26T04:43:30Z","type":"stable","version":"v0.5.3"}]` |
| security.vulnerabilities | - | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fsongquanpeng%2Fone-api&per_page=100","last_12m":1,"max_severity":"MODERATE"}` |

## Capabilities (Llm Gateways)

| Capability | LiteLLM | One API |
|---|:--:|:--:|
| **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 2026-09-01T16:39:21.789Z. "-" = undocumented, not absent.*