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DeveloperMaintained by VettedlyUpdated May 2026

OpenRouter

Unified API for routing prompts across many commercial and open AI models.

OpenRouter gives developers one API surface to compare, route, and use models from multiple providers.

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Extractable verdict

OpenRouter fits code editing and refactoring teams

OpenRouter helps developers comparing models across providers evaluate Unified API for routing prompts across many commercial and open AI models.

Best for
  • Developers comparing models across providers
  • Teams adding fallback routing to AI applications
Worst for
  • Dependent on upstream provider rate limits and availability
  • No mention of custom model fine-tuning
Price anchor
$0 (free tier available, paid via credits)

Vettedly take

Updated May 2026

OpenRouter is a cost-effective aggregator for accessing multiple LLM providers through a single, OpenAI-compatible API, with strong focus on reliability and data control.

The bottom line

What buyers should know

Strengths

  • Access 400+ models from 60+ providers through a single API
  • OpenAI SDK compatible, reducing migration friction
  • Pay-as-you-go credits with no subscription requirement
  • Distributed infrastructure with automatic provider failover for higher availability
  • Custom data policies to restrict prompts to trusted providers and models
  • Transparent pricing comparison across different providers for the same model
  • 250k+ apps already integrated with 4.2M+ users

Watch-outs

  • Dependent on upstream provider availability and pricing
  • No explicit SLA or uptime guarantees mentioned
  • Limited customization compared to using providers directly
  • Requires API key management across applications

vs. alternatives

How OpenRouter stacks up

Open full comparison →
ToolPricingBest forFree plan
OP

OpenRouter this page

Unified API for routing prompts across many commercial and open AI models.

$0 (free tier available, paid via credits)

Freemium

Developers comparing models across providersYes
HF
Hugging Face

Open AI community and infrastructure hub for models, datasets, spaces, and inference.

Free (Community), $20/user/month (Team & Enterprise), $0.60/hour (Compute)

Freemium

Developers evaluating open models and datasetsYes
RE
Replicate

Hosted model platform for running open-source AI models through simple APIs.

Free

Freemium

Developers adding model APIs to productsYes
TA
Together AI

Cloud platform for open model inference, fine-tuning, and AI application infrastructure.

Contact sales

Enterprise

Developers deploying open models at scaleNo

Capabilities

What it does

Key features

  • Unified API interface for 400+ models across 60+ providers
  • Automatic provider routing and fallback
  • Model pricing transparency and comparison
  • Custom data policies for privacy control
  • Uptime optimization with distributed infrastructure
  • Edge-based deployment for minimal latency
  • Human-in-the-loop tools for agent workflows
  • Video generation and audio API endpoints

Best for

  • Developers comparing models across providers
  • Teams adding fallback routing to AI applications

Integrations

OpenAI compatible SDKReplitHermes AgentKilo CodeMCP (Model Context Protocol) tool routing
OpenRouter screenshot

Pricing

What it costs

$0 (free tier available, paid via credits)

Freemium · Free plan available

Pay-as-you-go credit system with no subscriptions. Pricing varies by model and provider. Examples shown: GPT-5.4 input $2.50/M tokens, output $15/M tokens on OpenAI; weighted average across providers differs. Users purchase credits which can be used with any model.

Community signals

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What's new

Latest from OpenRouter

May 2026

Human-in-the-loop SDK tool, copy guardrails across workspaces, video generation cookbook, audio APIs blog post, and Responses API MCP tool routing improvements

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