- Developers & AI Engineers: Integrate multiple LLM providers through a single API endpoint, reducing integration overhead.
- Teams Using Multiple LLM APIs: Manage provider keys, usage stats, and central analytics for seamless orchestration.
- Cost-Conscious Organizations: Track real-time token usage, latency, and expense across every LLM interaction.
- Operations & DevOps Teams: Self-host under an MIT license for full control, or opt for hosted plans with SLAs and support.
- Enterprise Users: Leverage analytics, advanced billing, uptime SLAs, and priority support through Pro and Enterprise plans.
How to Use It?
- Seamless Endpoint Swap: Simply point your API calls to LLM Gateway’s base URL; it’s drop-in compatible with OpenAI format.
- Choose Hosting Mode: Use the hosted service for simplicity, or deploy on your infrastructure for full governance.
- Observe Metrics: Utilize dashboards for real-time logging of performance, costs, errors, and response times.
- Fine-Tune Routing: Automatically route to cost-effective or fastest models, or specify providers like "anthropic/claude-3-5-sonnet".
- Upgrade for Features: Move to Pro for zero gateway fees, extended data retention, and analytics enhancements. Enterprise tiers add custom SLAs and integrations.
- One Unified API: Support for 30+ models across 8+ providers via a single, familiar interface.
- Rich Analytics by Design: Offers cost, performance, and usage breakdowns at request-level granularity.
- Flexible Deployment: Choose between self-hosting (free forever) or managed service—with the same core capabilities.
- Competitive Pricing: Pro plan allows usage of your own provider API keys with zero additional gateway fees.
- Enterprise Strength: Comes with SLAs, failover, load balancing, and support for mission-critical deployments.
- Drop-in replacement for existing LLM integrations
- Built-in visibility into cost, performance, and provider usage
- Flexible—works in both self-hosted and hosted modes
- Open-source backend ensures transparency and adaptability
- Enterprise-ready with scalable billing and support options
- Self-hosting requires DevOps expertise and infrastructure maintenance
- Advanced analytics and no-fee usage require Pro subscription
- Smart routing control may require manual configuration for nuanced workflows
- Documentation could be improved for edge-case or advanced enterprise use cases
Self Host
Free
- Host on your own infrastructure
Free
Free
- Perfect for trying out the platform
Pro
$ 50.00
- For professionals and growing teams
Enterprise
Custom Pricing.
- For large organizations with custom needs
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Reviews
Rating Distribution
Average score
Popular Mention
FAQs
Supports OpenAI, Anthropic, Google Vertex AI, Mistral, Groq, DeepSeek, and over 30 models across 8+ providers.
Yes—it’s MIT-licensed and open-source, allowing free self-hosting with unlimited usage.
Free self-hosting is costless. The hosted Pro plan (~$50/month) includes zero gateway fees using your own keys. Enterprise pricing is custom
LLM Gateway offers richer real-time analytics, self-hosting under open license, zero gateway fees in Pro, and enterprise-grade features.
Version 1.0 launched in May 2025 and quickly gained traction in developer and AI communities.
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Editorial Note
This page was researched and written by the ATB Editorial Team. Our team researches each AI tool by reviewing its official website, testing features, exploring real use cases, and considering user feedback. Every page is fact-checked and regularly updated to ensure the information stays accurate, neutral, and useful for our readers.
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