LiteLLM vs OpenRouter Cost in 2026: A Team Buying $2,000 a Month of Model Credits Pays $110 in OpenRouter Fees or $28.99 for Its Own LiteLLM Server, and OpenRouter With Your Own Keys Costs $0 Up to $25,000

The short answer

Short answer, prices read on 31 October 2026: OpenRouter charges a platform fee when you buy credits, 5.5% on Standard and 8% on Business, and nothing on individual requests. A team buying $2,000 a month of credits pays $110 on Standard or $160 on Business. LiteLLM, an MIT-licensed gateway you host yourself, has no per-request or credit fee, so the cost is the server: $28.99 a month for a Hostinger KVM 4 at renewal. That saves $81.01 a month against Standard, $972.12 a year. But OpenRouter has a third route that beats both on price: bring your own provider keys, which it prices at $0 up to $25,000 a month of list-price inference. The self-hosted gateway wins on fees only if you would otherwise buy OpenRouter credits.

Route	Gateway cost at $2,000 a month of model spend	What you run	Catch
OpenRouter credits, Standard	$110	Nothing; one invoice	5.5% fee on every credit purchase; OpenRouter manages provider rate limits
OpenRouter credits, Business	$160	Nothing	8% fee on credit purchases
OpenRouter with your own keys	$0	Provider accounts and keys	Free to $25,000 a month of list-price inference, then 5%
LiteLLM on Hostinger KVM 4 Our pick	$28.99	A server, Postgres, upgrades	Promotional $12.99 a month; you operate it
LiteLLM on Hostinger KVM 2	$14.99	A smaller server	Fits two workers at the vendor’s sizing with nothing left for the database

Our pick means we earn a commission if you buy through our link. Hostinger is our pick for the server because it is the host we already price across our self-hosting guides; its KVM 4 plan (4 vCPU, 16 GB RAM, 200 GB NVMe) is $12.99 a month on a promotion, paid upfront for 24 months, and renews at $28.99. Our editor score for Hostinger is 1.9 out of 10, unchanged by the commission. See Hostinger VPS plans.

What the OpenRouter fee actually is

OpenRouter’s billing FAQ is plain: inference is billed at the provider’s list price on every plan, and the fee is charged “when you buy credits”, never on individual requests. The pricing table lists the platform fee as 5.5% on Standard, 8% on Business and “fee discounts available” on Enterprise. The Free plan has no fee but is limited to 50 requests a day, and Standard and Business have no minimum spend and no lock-in. We did not buy credits, so we treat the fee as a percentage of the credit value: $2,000 of credits costs $110 in fees on Standard. Check your own first invoice before you build a business case on our arithmetic.

Two things in the same FAQ are worth money. A request that errors is not charged for its model tokens, so with fallback you pay only for the run that answers. And OpenRouter Standard includes budgets and spend controls, which the Free plan does not. Those are features a self-hosted gateway has to match, and the next section checks what LiteLLM gives you without paying.

The break-even: how much credit spend before the fee costs more than a server

The fee is a percentage and the server is a flat rent, so there is a spend line. Divide the monthly server price by the fee rate and you get the monthly credit purchase at which the two cost the same.

OpenRouter plan	Fee	Break-even against KVM 2 ($14.99)	Break-even against KVM 4 ($28.99)
Standard	5.5%	$272.55	$527.09
Business	8%	$187.38	$362.38

Credits bought a month	Standard fee (5.5%)	LiteLLM on KVM 4 against Standard	Business fee (8%)	LiteLLM on KVM 4 against Business
$100	$5.50	$23.49 dearer	$8	$20.99 dearer
$500	$27.50	$1.49 dearer	$40	$11.01 cheaper
$2,000	$110	$81.01 cheaper	$160	$131.01 cheaper
$5,000	$275	$246.01 cheaper	$400	$371.01 cheaper
$25,000	$1,375	$1,346.01 cheaper	$2,000	$1,971.01 cheaper

Read it this way: below about $527.09 a month on Standard, the fee is smaller than the cheapest sensible server, and hosted is the cheaper choice. At $500 a month the two are within $1.49 of each other. At $5,000 a month the fee is $275 and the server saves $246.01 a month, $2,952.12 a year. At $25,000, the fee is $1,375 a month.

The route most comparisons skip: OpenRouter with your own keys

OpenRouter lets you attach your own provider keys. Its pricing table gives Standard and Business “$25,000 of list price inference / month with no fees, 5% fee after”, and its guide says the allowance is measured by list-price inference cost, not request count. In plain terms, if you already hold accounts with the model providers, the hosted gateway costs $0 in fees for the first $25,000 of monthly usage. That undercuts the $28.99 server at every spend level up to the allowance.

Past the allowance the fee is 5% of what the same model would cost on OpenRouter, so a team at $40,000 a month of list-price usage pays $750 in own-key fees, against $2,200 for the same usage bought as Standard credits. Against that, a $28.99 server is cheaper again, but a team in that range is a very different buyer from the one running a $2,000 a month budget. The own-key route also moves provider rate limits back to you: OpenRouter says that on credits it manages the limits for each provider, and with your own keys you get “direct control over rate limits and costs via your provider account”.

So the honest comparison for a fee-sensitive team is not LiteLLM against credits. It is LiteLLM against an own-key OpenRouter, where the saving from self-hosting is nothing, and the reasons to run your own gateway are control, not price: prompts and responses staying on infrastructure you own, one config file in your repository, and no third party in the request path.

What LiteLLM gives you for the server money

LiteLLM describes itself as an open source AI gateway for 100+ LLMs, self-hosted, and its README lists virtual keys, spend tracking, guardrails, load balancing and an admin dashboard as features that come out of the box. The repository showed 62,426 stars on 31 October 2026 and the last push was on 2026-10-31. The licence needs reading: GitHub’s API reports NOASSERTION rather than MIT, because the LICENSE file says content under the enterprise/ directory falls under a separate licence and everything else is MIT. That enterprise licence says the software may only be used in production under BerriAI’s subscription terms. We cannot tell you which features live in that directory, and its price is not published, so read your intended feature list against it before you commit. LiteLLM’s enterprise page says SSO is free for up to 5 users and needs an Enterprise licence beyond that.

The part that costs more than the rent is what runs beside the gateway. LiteLLM’s deployment docs list PostgreSQL as required for the proxy’s auth and tracking features, holding keys, teams, users, spend logs and config, and Redis as required once you run more than one instance. On a single box you can skip Redis, but you cannot skip the database, and you own its backups.

The vendor’s sizing line is “1 vCPU and 4Gi of memory” for each worker, and on a single VM it says to set the worker count to the machine’s vCPU count. The Hostinger KVM 2 (2 vCPU, 8 GB RAM) is exactly two workers’ worth with nothing left for Postgres or the operating system, so we price KVM 4 (4 vCPU, 16 GB RAM) as the safe choice and show KVM 2 as the floor. That sizing is our reading of the docs, not a benchmark: we did not install LiteLLM, send a request or measure throughput. Hostinger’s plans are paid upfront, so the monthly rate is the plan total divided by 24 months. See Hostinger VPS plans.

Related reading: Self-hosting an LLM against paying per token: the break-even runs the same break-even for hosting the model itself, Open source LLM serving stacks compared compares the serving stacks, and What it costs to self-host n8n prices the same server for another popular self-hosted tool.

When the hosted gateway is still the right buy

• You spend under about $527.09 a month. The fee is smaller than the rent. At $100 a month it is $5.50.
• Nobody owns a server. Every self-hosted figure here excludes engineer time. An hour a month spent on upgrades and database backups outweighs a $11.01 saving at $500 of Business credits.
• You want one invoice. Credits mean one account instead of an account with every model provider you route to.
• You already hold provider keys and sit under $25,000 a month. Own-key OpenRouter costs $0 in fees, so no server is needed to avoid the fee.

How we checked

Every price on this page was read on the vendor’s own page in a rendered browser on 31 October 2026: OpenRouter’s pricing table and billing FAQ, its bring-your-own-keys guide, LiteLLM’s deployment, production and enterprise docs, and Hostinger’s VPS page. The licence, star count and last-push date come from GitHub’s REST API and the repository’s LICENSE, enterprise LICENSE and README. All 27 facts are logged with the exact quote and evidence file. The $2,000 scenario, the break-evens and every total are our arithmetic. We did not run either product, so this is a price and licence check, not a speed, uptime or reliability test.

Questions people ask about LiteLLM and OpenRouter

Does OpenRouter charge a fee?

Yes, on credit purchases: 5.5% on Standard and 8% on Business, with fee discounts on Enterprise. It is not charged on individual requests, and inference is billed at the provider’s list price. Read 31 October 2026.

Is LiteLLM free?

The core gateway is MIT licensed and free to self-host. Content under its enterprise/ directory has a separate licence that requires BerriAI’s subscription terms in production, and SSO is free for up to 5 users. You still pay a server. Read 31 October 2026.

Is OpenRouter free with my own API keys?

Up to a point. Standard and Business include $25,000 of list-price inference a month through your own keys with no fee, then 5%. Read 31 October 2026.

How much does it cost to run LiteLLM on a server?

On Hostinger KVM 4 (4 vCPU, 16 GB RAM) it is $12.99 a month promotional and $28.99 at renewal, paid upfront for 24 months. KVM 2 is $8.79 promotional and $14.99 at renewal. LiteLLM’s docs size a worker at 1 vCPU and 4Gi.

At what spend is LiteLLM cheaper than OpenRouter?

Against Standard’s 5.5% fee, a $28.99 server breaks even at $527.09 of credits a month, and a $14.99 server at $272.55. Against Business’s 8% fee the figures are $362.38 and $187.38. Our arithmetic, 31 October 2026.

Does LiteLLM need a database?

Its deployment docs list PostgreSQL as required for the proxy’s auth and tracking features, and Redis as required once you run more than one instance.

Is LiteLLM open source?

Mostly. The LICENSE file puts everything outside the enterprise/ directory under MIT, which is why GitHub’s API reports NOASSERTION. It showed 62,426 stars on 31 October 2026.

Related reading

• Self-hosting an LLM against paying per token: the break-even
• Open source LLM serving stacks compared
• What it costs to self-host n8n
• Open source alternatives to paid AI tools

Sources

1. OpenRouter pricing and billing FAQ, read 31 October 2026.
2. OpenRouter bring your own keys guide, read 31 October 2026.
3. LiteLLM deployment and production docs, read 31 October 2026.
4. LiteLLM enterprise page, read 31 October 2026.
5. LiteLLM README, LICENSE, enterprise licence and GitHub REST API, read 31 October 2026.
6. Hostinger VPS hosting, read 31 October 2026.
7. Google AI Overview and AI Mode for “litellm vs openrouter”, our capture, 31 October 2026.