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OpenRouter alternatives

OpenRouter alternatives in 2026: AI routers and gateways compared

OpenRouter puts hundreds of models from many providers behind one API. Teams look elsewhere when they want something specific: the model chosen from benchmark results, their own provider keys at every volume, or a different way to pay. Here are eight alternatives, each described from its vendor’s own pages as checked 30 October 2026, and the three steps to switch.

Get a free router key

1,000 routed requests a month free · your own provider keys · no card

How to switch in three steps

8: alternatives compared, each from its vendor’s own pages.
3: steps to move a project: provider keys, a router key, the base URL.
0%: markup on tokens with the Smart Router. Providers bill you directly.

What is OpenRouter?

OpenRouter is one OpenAI-compatible API in front of hundreds of models from many providers, with routing, fallbacks and cost tracking.

How it picks the model: Its Auto Router gives each prompt one of about 30 task types with a lightweight classifier, then ranks models by what the OpenRouter community spends on for that task over a trailing 7-day window. Among the providers of one model, a request goes by each provider’s price, throughput, latency and reliability, with fallbacks when one fails.
Pricing: Provider prices passed through with no markup on inference; a fee applies when you buy credits. Free models carry low rate limits: 50 requests a day, or 1,000 a day after buying at least 10 credits.
Your own provider keys: Supported. Pay-as-you-go includes $25,000 a month of list-price usage with no fee on your own keys; above that, the fee is 5% of what the same model and provider would cost on OpenRouter.

As described on OpenRouter’s own pages, checked 30 October 2026; the pages are linked under Sources.

Why do teams look for an OpenRouter alternative?

Usually for one of four reasons. Each is a different trade-off rather than a verdict on OpenRouter.

The model chosen from test results: OpenRouter’s Auto Router ranks models by what its community spends on for each task type. Some teams would rather the choice came from fixed tasks that every model runs on the same schedule, with the results public.
Their own keys at any volume: Some teams want every request on their own provider accounts, under their own terms, limits and data agreements, at every volume.
To know when a model changes: A model can change behind a stable name. Some teams want a router that watches each model for drift and routes around one that has slipped.
A different way to pay: Paying each provider directly for tokens, and a flat plan for the routing, instead of buying credits.

OpenRouter alternatives at a glance

OpenRouter and the alternatives: what each is and how it picks the model, in its vendor’s own terms.

OpenRouter and 8 alternatives. The Smart Router from its own code and plan table; the others as checked 30 October 2026 on each vendor’s own pages, linked under Sources.
Router	What it is	How it picks the model
AI Stupid Level Smart Router	An AI router with an OpenAI-compatible endpoint and a native Anthropic Messages endpoint, in front of 25 models from 6 providers on the leaderboard, all tested on the same tasks on the same schedule.	Its 14 auto-* modes rank on the public benchmark boards for coding, reasoning, tool use or all three, re-tested coding every four hours, reasoning and tool use daily, with an hourly canary probe, or on response time, price or a split you set. Statistical ties go to your tie-break, cheapest per task by default. The value modes pick within 5 points of the best, then the lowest cost of a scored run. A model whose drift detector has fired, or that has an open canary incident, moves behind the healthy ones, and every response names the model and why it won.
OpenRouter	One OpenAI-compatible API in front of hundreds of models from many providers, with routing, fallbacks and cost tracking.	Its Auto Router gives each prompt one of about 30 task types with a lightweight classifier, then ranks models by what the OpenRouter community spends on for that task over a trailing 7-day window. Among the providers of one model, a request goes by each provider’s price, throughput, latency and reliability, with fallbacks when one fails.
Requesty	A unified AI gateway, LLM router and OpenAI-compatible API for 600+ AI models.	Cost-based, latency-based and availability-based routing, automatic failover chains and weighted load balancing across models.
Vercel AI Gateway	A managed gateway for calling models across providers, with central credentials, request logs, spend budgets and failover.	Routes requests across providers and fallback models; you can set a provider order and ordered model fallbacks.
LiteLLM	An open-source AI gateway and LLM proxy that puts an AI stack behind one OpenAI-compatible API, for 140+ providers.	Load balancing across providers, regions and keys, with fallbacks and model aliases; virtual keys carry hard budgets and rate limits.
Portkey	An AI gateway whose core is open source, run locally with one command or self-hosted and connected to Portkey.	Fallbacks between providers and models, load balancing between API keys, and conditional routing on checks you define.
Cloudflare AI Gateway	A gateway to observe and control AI applications, with request retries and model fallbacks in case of an error.	Dynamic routing checks conditions on the request body, headers or metadata, splits traffic by percentage, and switches to a fallback model when a request or budget quota is exceeded.
Helicone AI Gateway	A unified API for 100+ LLM providers in the OpenAI SDK format, part of Helicone’s open-source LLM observability platform.	Automatic failover across providers, with routing and fallbacks you configure.
Not Diamond	An intelligent model router for coding agents.	Predicts which model to use for each input, aiming to cut cost while keeping accuracy.

OpenRouter vs Smart Router

The two side by side, on the points where they differ most.

The Smart Router from its code and plan table; OpenRouter from its own pages, checked 30 October 2026.
Compared on	Smart Router	OpenRouter
How it picks the model	Each of 14 auto-* modes ranks on a public board (Coding, Reasoning, Tool use or Combined) or on response time, price or your own split, among the providers you hold keys for. A model whose drift detector has fired moves behind the healthy ones.	The Auto Router gives each prompt one of about 30 task types with a lightweight classifier, then ranks models by what the OpenRouter community spends on for that task over a trailing 7-day window.
Your own provider keys	Always, at every volume, stored encrypted with AES-256-GCM.	Supported. Pay-as-you-go includes $25,000 a month of list-price usage with no fee on your own keys; above that, the fee is 5% of what the same model and provider would cost on OpenRouter.
Token pricing	No markup: each provider bills you directly at its own list price.	Provider prices passed through with no markup on inference; a fee applies when you buy credits.
Free use	1,000 routed requests a month on every provider and every mode, with your own provider keys and no card.	Free models carry low rate limits: 50 requests a day, or 1,000 a day after buying at least 10 credits.

The boards the Smart Router ranks on are public: best LLM for coding, best LLM for reasoning and best AI model for agents. The methodology is public: every weight, statistical test and drift constant. The test tasks are private, so no lab can train on them.

The OpenRouter alternatives, one by one

Where each one runs, how it handles your own provider keys and what it costs, wherever the vendor publishes it.

1. AI Stupid Level Smart Router: An AI router with an OpenAI-compatible endpoint and a native Anthropic Messages endpoint, in front of 25 models from 6 providers on the leaderboard, all tested on the same tasks on the same schedule.
How it picks the model. Its 14 auto-* modes rank on the public benchmark boards for coding, reasoning, tool use or all three, re-tested coding every four hours, reasoning and tool use daily, with an hourly canary probe, or on response time, price or a split you set. Statistical ties go to your tie-break, cheapest per task by default. The value modes pick within 5 points of the best, then the lowest cost of a scored run. A model whose drift detector has fired, or that has an open canary incident, moves behind the healthy ones, and every response names the model and why it won.
Where it runs. Hosted. Requests go to each provider with your own key; nothing is resold.
Your own provider keys. Always your own provider keys, stored encrypted with AES-256-GCM, at every volume.
Pricing. No markup on tokens: providers bill you directly at their own list price. Free: 1,000 routed requests a month on every provider and every mode, with your own provider keys and no card. Pro Intelligence $12/mo for 10,000 routed requests a month; Developer $25/mo for 100,000. Past an allowance, top-up credits at $1 per 2,000 requests, minimum $5, that do not expire.
2. Requesty: A unified AI gateway, LLM router and OpenAI-compatible API for 600+ AI models.
How it picks the model. Cost-based, latency-based and availability-based routing, automatic failover chains and weighted load balancing across models.
Where it runs. Hosted, at router.requesty.ai.
Your own provider keys. Bring your own keys is listed on the pay-as-you-go plan.
Pricing. Free plan with 200 requests a day; pay as you go carries a 5% markup; Enterprise is custom.
3. Vercel AI Gateway: A managed gateway for calling models across providers, with central credentials, request logs, spend budgets and failover.
How it picks the model. Routes requests across providers and fallback models; you can set a provider order and ordered model fallbacks.
Where it runs. Hosted by Vercel; your application does not need to run on Vercel.
Your own provider keys. Your own keys carry no markup or fee and need the paid tier, which means purchased credits.
Pricing. No markup and no platform fee on tokens. The free tier covers a subset of models with per-model rate limits; some optional features are charged separately.
4. LiteLLM: An open-source AI gateway and LLM proxy that puts an AI stack behind one OpenAI-compatible API, for 140+ providers.
How it picks the model. Load balancing across providers, regions and keys, with fallbacks and model aliases; virtual keys carry hard budgets and rate limits.
Where it runs. Self-hosted. MIT-licensed and free to self-host.
Pricing. Free to self-host; Enterprise adds SSO, RBAC, audit logs and support, priced on request.
5. Portkey: An AI gateway whose core is open source, run locally with one command or self-hosted and connected to Portkey.
How it picks the model. Fallbacks between providers and models, load balancing between API keys, and conditional routing on checks you define.
Where it runs. Hosted, or the open-source gateway on your own servers.
Pricing. Developer plan free with 10k recorded logs a month and 3-day log retention; Production $49 a month; Enterprise custom.
6. Cloudflare AI Gateway: A gateway to observe and control AI applications, with request retries and model fallbacks in case of an error.
How it picks the model. Dynamic routing checks conditions on the request body, headers or metadata, splits traffic by percentage, and switches to a fallback model when a request or budget quota is exceeded.
Where it runs. Hosted on Cloudflare, available on all plans.
Your own provider keys. You can store provider API keys in the Cloudflare dashboard and reference them from the gateway.
7. Helicone AI Gateway: A unified API for 100+ LLM providers in the OpenAI SDK format, part of Helicone’s open-source LLM observability platform.
How it picks the model. Automatic failover across providers, with routing and fallbacks you configure.
Pricing. Credits with 0% markup. Hobby plan free with 10,000 requests, 1 GB storage and one seat; Pro $79 a month; Team $799 a month.
8. Not Diamond: An intelligent model router for coding agents.
How it picks the model. Predicts which model to use for each input, aiming to cut cost while keeping accuracy.

How to switch from OpenRouter to the Smart Router

Three steps, and three lines of code: the base URL, the key and the model.

1. Connect your provider keys: Create a free account and add a key for each provider you use. The keys are stored encrypted with AES-256-GCM, and each provider bills you directly at its own list price.
2. Create a router key: One aism_ key takes the place of your OpenRouter key in your code and reaches every provider you connected.
3. Change the base URL and the model: Point the client at https://aistupidlevel.info/v1 and send an auto-* mode such as auto-coding as the model, or a model id exactly as GET /v1/models lists it. Your fallback order, exclusions and cost and latency caps live in Preferences.

Node · OpenAI SDKthree lines change

import OpenAI from 'openai';

const client = new OpenAI({
  baseURL: 'https://aistupidlevel.info/v1',  // was https://openrouter.ai/api/v1
  apiKey: process.env.ASL_ROUTER_KEY,        // your aism_ router key
});

const response = await client.chat.completions.create({
  model: 'auto-coding',                      // a mode, or a model id from GET /v1/models
  messages: [{ role: 'user', content: 'Fix the failing test in parser.ts' }],
});

To try the switch before adding any provider key, send the X-ASL-Sandbox: true header: the request runs through the real routing and returns a mock answer in the real shape, and nothing is called or counted. Claude Code connects through the native Anthropic endpoint instead: Claude Code with the Smart Router. Settings for Cursor, Cline, LangChain, n8n and more are on the integrations hub.

Sources

Checked 30 October 2026 on each vendor’s own pages. Products change: follow the links for current details, and tell us at contact if something here is out of date.

OpenRouter alternative questions

What is the best OpenRouter alternative?

It depends on what you want to change. If you want the model chosen from public benchmark results, your own provider keys at every volume and no markup on tokens, the Smart Router is built for exactly that. This page also compares Requesty, Vercel AI Gateway, LiteLLM, Portkey, Cloudflare AI Gateway, Helicone AI Gateway and Not Diamond, each from its vendor’s own pages.

Is there an OpenRouter alternative with bring your own key (BYOK)?

Yes. The Smart Router always sends requests with your own provider keys, at every volume, stored encrypted with AES-256-GCM. Each provider bills you directly at its own list price, and nothing is added per token. Several of the other gateways here take your own keys too; the list on this page says how each one handles them.

Is there a free OpenRouter alternative?

The Smart Router’s Free plan includes 1,000 routed requests a month on every provider and every mode, with your own provider keys and no card. Tokens are billed by each provider to your own account at its own list price. Plans and prices.

Is there an OpenRouter alternative with no markup?

Yes. The Smart Router takes nothing per token: requests go out with your own keys and each provider bills you at its list price. Plans count routed requests instead: Pro Intelligence $12/mo for 10,000 routed requests a month; Developer $25/mo for 100,000. Past an allowance, top-up credits at $1 per 2,000 requests, minimum $5, that do not expire.

What are some sites like OpenRouter?

Sites like OpenRouter put models from many providers behind one API: AI routers, AI gateways and AI aggregators. This page compares the AI Stupid Level Smart Router, Requesty, Vercel AI Gateway, LiteLLM, Portkey, Cloudflare AI Gateway, Helicone AI Gateway and Not Diamond, each from its vendor’s own pages. What an AI aggregator is explains the category.

Who are OpenRouter’s competitors?

Other AI routers and gateways, among them the Smart Router, Requesty, Vercel AI Gateway, LiteLLM, Portkey, Cloudflare AI Gateway, Helicone AI Gateway and Not Diamond. Best AI routers in 2026 sets them side by side on how each picks the model, where it runs, your own keys and pricing.

OpenRouter vs Smart Router: what is the difference?

They choose the model differently. OpenRouter’s Auto Router gives each prompt a task type and ranks models by what the OpenRouter community spends on for that task over a trailing 7-day window. The Smart Router ranks on public benchmark results: every model on the same coding, reasoning and tool-use tasks, coding every four hours, reasoning and tool use daily, with an hourly canary probe, and a model whose drift detector has fired moves behind the healthy ones. The Smart Router always uses your own provider keys, with no markup on tokens.

How do I migrate from OpenRouter to the Smart Router?

In three steps. Create a free account and add a key for each provider you use. Create a router key. Then point your OpenAI client at https://aistupidlevel.info/v1 instead of OpenRouter’s base URL, and send an auto-* mode such as auto-coding as the model, or a model id exactly as GET /v1/models lists it. The router documentation has every parameter.

Move a project in three steps

Free includes 1,000 routed requests a month on every provider and every mode, with your own provider keys and no card.

Get a free router key

1,000 routed requests a month free · your own provider keys · no card

Read the router documentation

What an AI router is AI aggregator Best AI routers Smart Router Router documentation