# One API vs OpenRouter

**Leader by Vioscale score:** OpenRouter

| Attribute | One API | OpenRouter |
|---|---|---|
| **Vioscale score** | 48.3 (27% (low)) | 79.8 (36% (low)) |
| activity.commits_last_30d | 0 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 36,589 | - |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true}` |
| description.long | 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. | OpenRouter aggregates 500+ language models from 80+ providers through a single, OpenAI-compatible API interface. It offers automatic fallback routing, cost control, usage analytics, and data policy management for teams deploying AI applications at scale. |
| features.capabilities | `{"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}` | `{"caching":"exact","open_source":true,"pricing_model":"usage-based-saas","rate_limiting":true,"deployment_model":"managed-SaaS","routing_strategy":"cost-based","streaming_support":true,"architecture_model":"managed_cloud_saas","automatic_failover":true,"budget_spend_controls":true,"openai_compatible_api":true,"virtual_key_management":true,"request_cost_observability":true,"bring_your_own_keys_byok_routing":true,"streaming_token_support_server_sent_events":true,"universal_api_key_for_100_plus_llm_providers":true,"zero_data_retention_and_prompt_logging_opt_out":true,"auto_fallback_routing_on_rate_limit_or_downtime":true,"organization_wide_cost_tracking_and_chargebacks":true,"semantic_caching_for_repeat_queries_and_cost_savings":false}` |
| integrations.count | 13 | 80 |
| integrations.list | `[{"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"}]` | `[{"name":"Vercel AI SDK"},{"name":"Claude Code"},{"name":"Cursor"},{"name":"OpenAI SDK"},{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Google"},{"name":"Meta"},{"name":"Mistral"},{"name":"Model Context Protocol (MCP)"},{"name":"Terraform"}]` |
| 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":"open_source","sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-21T10:58:36.575Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free tier, 50 requests/day, no card required","features":["25+ free models","4 free providers","Chat and API access","Community support"],"description":"Evaluation tier with limited access to test the platform","contactSales":false,"includedLimits":{"models":"25+ free models","providers":"4 free providers","rate_limit":"50 requests/day"}},{"free":false,"name":"Pay-as-you-go","summary":"5.5% platform fee on model usage, fee discounts available","features":["500+ models from 80+ providers","Automatic fallback routing","Activity logs and export","Auto-routing and preferred vendor selection","Budgets and spend controls","Prompt caching","Management API key","Email support","No minimum spend"],"components":[{"of":"usage","kind":"percentage","rate":5.5}],"description":"Usage-based pricing scaled by model and tokens consumed","contactSales":false,"includedLimits":{"models":"500+ models","providers":"80+ providers"}},{"free":false,"name":"Enterprise","summary":"$25k/month list price inference with no fees, then 5% on overage","features":["500+ models, 80+ providers","Custom data policies and model/provider routing policies","Managed policy enforcement","SSO/SAML authentication","Contractual SLAs","Support SLA with shared Slack channel","High global rate limits","Optional dedicated limits","Invoicing options","Volume commitment pricing"],"commitment":"annual","components":[{"kind":"fixed","amount":25000,"period":"month","currency":"USD"},{"of":"usage","kind":"percentage","rate":5}],"description":"Volume-based commitment with dedicated support and custom policies","contactSales":true,"includedLimits":{"free_inference_value":"$25,000 list price/month"}}],"summary":"Free tier available. Pay-as-you-go at 5.5% platform fee. Enterprise from $25k/month.","currency":"USD","freeTier":true,"sourceUrl":"https://openrouter.ai/pricing","retrievedAt":"2026-08-21T13:44:21.104Z","billingPeriods":["month","year"]}` |
| pricing.free_tier | - | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | free | low |
| 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.gdpr | - | yes |
| 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 | One API | OpenRouter |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Openai compatible API | ✓ | ✓ |
| Automatic failover | - | ✓ |
| Routing strategy | - | Cost based |
| Caching | - | Exact |
| Virtual key management | ✓ | ✓ |
| Budget spend controls | ✓ | ✓ |
| Rate limiting | ✓ | ✓ |
| Guardrails moderation | - | - |
| Request cost observability | ✓ | ✓ |
| Streaming support | ✓ | ✓ |
| Deployment model | Self hosted | Managed SaaS |
| Open source | ✓ | ✓ |
| Pricing model | Open source self host | Usage based saas |

*Source: Vioscale. Generated 2026-09-01T16:35:36.497Z. "-" = undocumented, not absent.*