model access

OpenRouter

Access over 300 AI models through a single unified API with pay-as-you-go pricing, automated provider failover, and zero markups for developers and startups.

Paid price not published

Free

OpenRouter screenshot

About OpenRouter

OpenRouter is a comprehensive AI gateway and marketplace designed to simplify how developers integrate large language models (LLMs) into their applications. By providing a single, unified interface that is fully compatible with the OpenAI SDK, OpenRouter allows users to access over 300 different models from more than 60 providers, including industry leaders like Anthropic, Google, Meta, and OpenAI. This approach eliminates the traditional vendor lock-in problem, enabling developers to switch between models or providers by simply changing a single line of code in their configuration. The platform is built with a focus on reliability and cost-efficiency. It features a distributed infrastructure that supports automatic routing and provider failover; if a specific provider experiences downtime, OpenRouter can automatically reroute requests to an alternative provider or model to ensure uninterrupted service. Additionally, the tool includes advanced features such as Response Healing, which automatically fixes malformed JSON outputs from LLMs, and prompt caching to reduce latency and costs for repetitive queries. Users benefit from edge-based execution, which minimizes the physical distance between end-users and inference engines. OpenRouter caters to a wide spectrum of users, from solo indie hackers and AI startups to large-scale enterprises. For developers, the transparency of the platform is a major draw, offering detailed model rankings based on token usage and performance metrics. For organizations with strict compliance needs, it provides fine-grained data policies, ensuring that prompts are only sent to trusted providers and confirming that customer data is never used for training purposes. The pricing model is strictly pay-as-you-go with no monthly subscription fees, making it an accessible entry point for those experimenting with AI. What distinguishes OpenRouter from standard API providers is its role as a neutral marketplace rather than a model creator. It does not mark up provider prices, meaning users pay the same rates they would find on the providers' own websites. This transparency, combined with the ability to Bring Your Own Key (BYOK) and the inclusion of dozens of free models, creates a flexible environment where users can optimize for price, latency, or model capability without managing multiple API accounts or billing cycles.

OpenRouter pros & cons

Pros

  • Eliminates vendor lock-in by using a single OpenAI-compatible SDK for over 300 models.
  • Offers over 25 models for free with a daily request quota for development and testing.
  • Does not mark up provider pricing, ensuring users pay the same rates as direct access.
  • Automatic provider failover ensures high availability even when specific labs experience outages.
  • Granular data policies allow organizations to control which providers receive their prompts.

Cons

  • Free plan is restricted to 50 requests per day and 20 requests per minute.
  • Pricing changes from providers are passed through immediately, which may impact budgets.
  • Advanced security features like SSO and contractual SLAs are exclusive to Enterprise plans.
  • BYOK usage incurs a 5% fee after the first 1 million requests per month.

OpenRouter use cases

  • Indie hackers can prototype AI applications quickly using free models before scaling with pay-as-you-go credits.
  • Software engineers can implement automated model failover to ensure their production apps remain online during provider outages.
  • Enterprise teams can manage AI spend across multiple departments using granular API keys and budget controls.
  • Data scientists can compare performance and latency across 300+ models using the platform's unified rankings and stats.
  • App developers can reduce JSON errors in their applications by using the Response Healing feature to fix malformed outputs.

OpenRouter features

  • prompt caching
  • openai sdk compatibility
  • pay-as-you-go billing
  • regional routing
  • model rankings
  • response healing
  • automated provider failover
  • unified api interface

OpenRouter pricing

Is OpenRouter free? Yes, OpenRouter has a free plan.

Free

Free

  • 25+ free models
  • 4 free providers
  • Community support
  • 50 requests per day limit
  • 20 requests per minute limit
  • Activity logs
  • BYOK support (1M free reqs/month)

Pay-as-you-go

Price varies

  • 300+ models
  • 60+ providers
  • No platform rate limits
  • Email support
  • Regional routing
  • Budget and spend controls
  • Prompt caching
  • Response healing

Enterprise

Price varies

  • Bulk discounts available
  • Support SLA with Slack channel
  • SSO/SAML integration
  • Contractual SLAs
  • Invoicing and PO options
  • Managed policy enforcement
  • Dedicated rate limits

OpenRouter FAQs

How are tokens billed on OpenRouter?

Input and output tokens are billed per model at the exact rates posted by the providers. OpenRouter does not add any markup to the provider's original pricing.

Does OpenRouter support function calling or tools?

Yes, if the underlying model supports tools or function calling, you can utilize these features through the OpenRouter API. Examples and documentation are available in the API reference.

What happens if a provider goes down?

OpenRouter uses automated routing and fallback to try alternative providers or models when one fails. You are only billed for successful model runs.

Can I use my own API keys (BYOK)?

Yes, OpenRouter supports Bring Your Own Key usage. It is free for the first 1 million requests per month, after which a 5% fee is applied.

Is my data used for training AI models?

No, OpenRouter does not train on your data. You can also disable provider-side retention at the account level or per individual API call.

Open roles

All AI jobs

Partner Development Manager, Provider Ecosystem

Benefits:

  • Remote First

  • Competitive Compensation

  • Health & Wellness

  • Unlimited PTO

  • WFH Budget

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