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OpenRouter

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by OpenRouter

One API key, hundreds of models — automatic failover and per-request price routing.

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About OpenRouter

OpenRouter is a routing layer that puts models from OpenAI, Anthropic, Google, Meta, Mistral and others behind a single OpenAI-compatible endpoint. It handles provider fallback, exposes per-model pricing up front, and lets you switch the model a request uses without changing your integration.
  • Conversational Chat AI Capabilities
  • Text Generation Content & Media
  • Public API Developer & Automation
  • Team Workspaces Collaboration
  • Admin Controls & Roles Security & Compliance

Key Features

AI Capabilities

  • Conversational Chat

    Multi-turn natural-language conversation with follow-up context.

  • Reasoning Mode

    A deliberate "thinking" mode that works through multi-step problems before answering.

  • Multi-Model Switching

    Core feature

    Pick a different underlying model per task — fast, balanced or deep-reasoning.

  • Multilingual Support

    Understands and replies in dozens of languages, including translation between them.

  • Long-Context Understanding

    Handles very long documents and conversations without losing earlier context.

Content & Media

  • Text Generation

    Drafts, rewrites and edits long-form and short-form copy.

  • Image Understanding

    Reads photos, screenshots, diagrams and handwriting and answers questions about them.

Developer & Automation

  • Public API

    OpenAI-compatible

    A documented API for building the same capability into your own product.

  • Code Generation & Debugging

    Writes, explains, reviews and fixes code across common languages.

  • Custom Assistants

    Build and share a configured assistant with its own instructions and knowledge.

  • Task Automation

    Schedules recurring jobs or runs multi-step tasks without supervision.

  • Third-Party Integrations

    Connects to other SaaS products through apps, connectors or an integration platform.

OpenRouter Pricing

Prices are set by the vendor and may change.

Free models

$0 /month

What's included

  • A selection of models at no cost
  • Rate-limited but genuinely usable
  • Same unified API
  • Ideal for prototyping
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Pay as you go

Per token usage

What's included

  • Provider list price plus a small routing margin
  • No subscription or minimum
  • Automatic failover included
  • Unified billing and analytics
Add credits

Bring your own key

Small fee usage

What's included

  • Use your own provider accounts
  • Keep negotiated provider rates
  • Routing and failover still apply
  • Small per-request fee
Configure BYOK

Enterprise

Custom

What's included

  • Volume terms and invoicing
  • Data-retention guarantees
  • Priority routing and support
  • Organisation controls
Contact sales
View full pricing details

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Real-World Use Cases

  • Multi-model apps
  • Cost optimisation
  • Prototyping
  • Failover reliability
  • Model comparison
  • Startups

What is OpenRouter?

OpenRouter is a routing layer in front of hundreds of AI models from dozens of providers. One API key and one OpenAI-compatible endpoint reach all of them — so switching model means changing a string, not rewriting an integration or signing another contract.

It handles the operational problems that come with using many providers: automatic failover when one is down, routing to the cheapest available host of a given model, unified billing, and one usage dashboard across everything.

Several models are available free, and there is no subscription — you pay only for tokens plus a small routing margin.

Benefits of OpenRouter

What the routing layer solves:

  • One integration for every model you might want to try.
  • Automatic failover when a provider degrades or goes down.
  • Price routing to the cheapest host of a given model.
  • Unified billing instead of a dozen provider accounts.
  • Free models available for prototyping.
  • Comparable usage analytics across all providers.

Who Should Use OpenRouter?

OpenRouter suits anyone building on more than one model.

  • Developers comparing models before committing.
  • Startups that need to switch models as prices move.
  • Teams needing reliability — failover matters in production.
  • Cost-sensitive workloads routing to the cheapest host.
  • Anyone tired of managing many provider accounts.

If you are committed to a single provider long term, going direct avoids the routing margin.

Pros & Cons

6Pros 4Cons

Pros

6
  • One API key and endpoint reaches hundreds of models.
  • Switching model is a string change, not a re-integration.
  • Automatic failover when a provider degrades or goes down.
  • Routes to the cheapest available host of a given model.
  • Unified billing and analytics across every provider.
  • Free models available for prototyping.

Cons

4
  • Adds a small routing margin over going direct.
  • Introduces a dependency on a third party in your critical path.
  • Provider-specific features are sometimes not exposed.
  • Latency is marginally higher than a direct provider call.

What's New

  1. Expanded provider coverage

    Feature

    More hosts per model, improving failover and price routing.

  2. Bring your own key

    Feature

    Use your own provider accounts while keeping routing and analytics.

  3. Organisation accounts

    Feature

    Shared credits, member roles and team-level usage analytics.

  4. Free model tier expansion

    Pricing

    More models made available at no cost for prototyping.

Frequently Asked Questions

Is OpenRouter free?
There is no subscription. A selection of models is available free at rate limits suitable for prototyping; everything else is pay-as-you-go at provider list price plus a small routing margin.

How does OpenRouter make money?
A small margin on token pricing, plus a per-request fee on bring-your-own-key usage. There is no monthly platform fee.

Will my OpenAI code work?
Yes. The endpoint is OpenAI-compatible, so in most cases you change the base URL and the model string and nothing else.

What happens if a provider goes down?
OpenRouter automatically fails over to another host of the same model where one exists, which is one of the main reasons teams use it in production.

Can I use my own provider accounts?
Yes. Bring-your-own-key keeps your negotiated rates with each provider while still using OpenRouter for routing, failover and unified analytics.

Is it worth it over going direct?
If you use one model from one provider long term, going direct is cheaper. If you compare models, need failover, or want to switch as prices change, the margin pays for itself.

Tool Information

  • Category AI APIs & Infrastructure
  • PricingFreemium
  • Free PlanYes
  • API AvailableYes
  • Mobile AppNo
  • Language Support6+ Languages
  • Starting Price$0
  • DeveloperOpenRouter
  • Founded2023
  • Websiteopenrouter.ai
  • StatusActive
  • Last UpdatedAug 15, 2026
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Best For

Multi-model appsCost optimisationPrototypingFailover reliabilityModel comparisonStartups

Platforms

Web API

Tags

LLMFree PlanAPI Available

Languages

English French German Japanese Portuguese Spanish

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