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AI AssistantsUsage-based

OpenRouter

One API key, 400+ models, no markup on token prices.

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What is OpenRouter?

OpenRouter is a unified API gateway that lets you call 400+ models from 60+ providers (OpenAI, Anthropic, Google, Meta, DeepSeek, Mistral and others) through one OpenAI-compatible endpoint and one bill. You can route automatically to the cheapest or fastest provider for a given model, or fail over if one is down. It is the standard 'don't lock yourself into one vendor' choice for developers.

General AI assistants for research, writing, analysis, planning, and daily knowledge work.

See the full AI Assistants guide to compare more tools, buyer criteria, and related workflows.

Use cases to evaluate

Building a multi-model app without writing separate integrations for each vendor

Automatic failover when one provider has an outage or rate-limits you

Price-shopping or speed-shopping across providers for the same model

Quickly trying a new model that just launched on someone's API

Fit to evaluate

Developers shipping LLM apps who want vendor optionality

Founders building AI features who want one consolidated bill

Engineering teams running model evals across many providers

Indie devs who want frontier access without enterprise contracts

Business fit

Right for you if you are building an app on top of LLMs and want to avoid being trapped on one provider, or you want to A/B test which model wins for your use case without juggling five SDKs and five invoices. Skip it if you only ever use one model and already have a good direct relationship with that vendor, the extra hop adds a small amount of latency and a 5.5% pay-as-you-go fee. Also worth knowing: some models are routed through community providers with different privacy postures, so read the per-model data policy if you handle sensitive data.

How to evaluate OpenRouter

Use this category when your team needs a broad AI workspace before buying a narrower point solution.

Confirm the exact workflow

Map OpenRouter to one concrete workflow first, such as building a multi-model app without writing separate integrations for each vendor. Avoid buying before the owner, trigger, output, and success metric are clear.

Check category fit

Compare model quality on real company tasks, not demo prompts.

Compare practical alternatives

Shortlist OpenRouter against ChatGPT, Claude, Gemini so the decision is based on fit, effort, and workflow ownership rather than brand recognition alone.

Validate cost and rollout effort

Pass-through token pricing: you pay the underlying provider's listed rate with no markup, plus a 5.5% service fee on pay-as-you-go credit purchases. Free tier gives 50 requests/day across 25+ free models. Enterprise plans with volume discounts available. No monthly subscription, you just top up credits. Also confirm implementation time, support needs, and whether the easy setup matches your team.

Compare OpenRouter with alternatives

Use this quick comparison before booking demos or moving data into a new system.

Primary workflowBuilding a multi-model app without writing separate integrations for each vendor, Automatic failover when one provider has an outage or rate-limits you
Best-fit teamDevelopers shipping LLM apps who want vendor optionality, Founders building AI features who want one consolidated bill
Implementation effortEasy setup and maintenance profile
Pricing checkUsage-based
Closest alternativesChatGPTClaudeGeminiPerplexity

OpenRouter pricing

ModelUsage-based
SnapshotPass-through token pricing: you pay the underlying provider's listed rate with no markup, plus a 5.5% service fee on pay-as-you-go credit purchases. Free tier gives 50 requests/day across 25+ free models. Enterprise plans with volume discounts available. No monthly subscription, you just top up credits.
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Common questions about OpenRouter

What is OpenRouter?

OpenRouter is a unified API gateway that lets you call 400+ models from 60+ providers (OpenAI, Anthropic, Google, Meta, DeepSeek, Mistral and others) through one OpenAI-compatible endpoint and one bill. You can route automatically to the cheapest or fastest provider for a given model, or fail over if one is down. It is the standard 'don't lock yourself into one vendor' choice for developers.

What is OpenRouter used for?

Common use cases: Building a multi-model app without writing separate integrations for each vendor; Automatic failover when one provider has an outage or rate-limits you; Price-shopping or speed-shopping across providers for the same model; Quickly trying a new model that just launched on someone's API.

How much does OpenRouter cost?

Pass-through token pricing: you pay the underlying provider's listed rate with no markup, plus a 5.5% service fee on pay-as-you-go credit purchases. Free tier gives 50 requests/day across 25+ free models. Enterprise plans with volume discounts available. No monthly subscription, you just top up credits.

Who is OpenRouter best for?

OpenRouter fits Developers shipping LLM apps who want vendor optionality, Founders building AI features who want one consolidated bill, Engineering teams running model evals across many providers, Indie devs who want frontier access without enterprise contracts. Right for you if you are building an app on top of LLMs and want to avoid being trapped on one provider, or you want to A/B test which model wins for your use case without juggling five SDKs and five invoices. Skip it if you only ever use one model and already have a good direct relationship with that vendor, the extra hop adds a small amount of latency and a 5.5% pay-as-you-go fee. Also worth knowing: some models are routed through community providers with different privacy postures, so read the per-model data policy if you handle sensitive data.

What are alternatives to OpenRouter?

Common alternatives to OpenRouter include ChatGPT, Claude, Gemini, Perplexity, Microsoft Copilot, Poe.