LLM Gateway
One API for 40+ LLM providers (OpenAI, Anthropic, Google). Switch models, track costs, auto-failover. Bring your own keys, free forever.
Editor's Verdict
Key Takeaways
- Unified API Interface
- Multi-provider Support
- Performance Monitoring
- Secure Key Management
In-Depth Review: What is LLM Gateway?
LLM Gateway is a unified API platform that provides access to 200+ models from 40+ providers including OpenAI, Anthropic, and Google. It offers a drop-in replacement for the OpenAI SDK—just change the base URL. Key features include real-time cost and latency tracking, automatic failover for 99.9999% uptime, secure key management, and enterprise-grade compliance (SOC 2 Type II). You can bring your own API keys for free, use pay-as-you-go credits with a 5% flat fee, or self-host the AGPLv3-licensed gateway. Trusted by teams at Samsung, Harvard, and thousands of developers, LLM Gateway simplifies LLM routing, monitoring, and cost optimization.
Core Features
Unified API Interface
Keep your existing OpenAI SDK code—just change the base URL and you're live. Drop-in compatible with any language or framework.
Multi-provider Support
Access 40+ providers through one integration—no vendor lock-in, switch models instantly.
Performance Monitoring
Compare latency, cost, and quality across models to pick the best fit for each use case.
Secure Key Management
One dashboard for all your provider keys—no more scattered credentials or exposed secrets.
Self-hosted or Cloud
Run on your own infrastructure for full control, or let us handle it—your choice.
Cost-aware Analytics
See requests, tokens, total spend, and average cost per 1K tokens across 7 or 30 days.
Per-model/provider Breakdown
Break down usage and spend by provider and model so you can quickly spot expensive outliers.
Errors & Reliability Monitoring
Monitor error rate, cache hit rate, and reliability trends directly from the dashboard.
Project-level Usage Explorer
Drill into each project's requests, models, errors, cache, and costs with dedicated charts and tables.
Enterprise Audit Logs
Track who did what, when, and maintain compliance with comprehensive audit trails.
LLM Guardrails
Prevent prompt injection, detect PII, and block malicious requests with intelligent guardrails.
Automatic Failover
LLM Gateway automatically routes requests to healthy providers in real-time, ensuring 99.9999% effective uptime.
Pricing
Free (BYOK)
- 200+ models across 40+ providers
- 3 free models (rate limited at 20 reqs/min)
- Chat and API access
- Activity logs & export
- 30-day data retention
- Auto-routing & vendor selection
- Budgets & spend controls
- Prompt caching
- Bring your own keys (BYOK)
- Team management
Credits
- Pay-as-you-go credits for any model at provider rates
- No subscription, no markup on tokens
- Access all 200+ models
Self-host
- Deploy AGPLv3-licensed gateway on your own infrastructure
- Full routing layer, yours to run
- No platform fees
Enterprise
- All Free features
- Volume discounts
- SSO/SAML with SCIM provisioning
- Contractual SLAs
- Enterprise audit logs
- Enterprise guardrails
- Per-project routing overrides
- Provider compliance policies
- Whitelabel chat app
- 24/7 priority support
- Unlimited data retention
Pros and Cons
Pros
- Unified APIChange just the base URL to access 200+ models from 40+ providers, no code changes needed.
- Automatic FailoverSeamlessly route to healthy providers during outages, achieving 99.9999% effective uptime.
- Cost AnalyticsMonitor spend and latency per model and provider to optimize costs in real-time.
- Self-hosting OptionFull control over your data and infrastructure with the AGPLv3 self-hosted version.
- SOC 2 Type II CertifiedEnterprise-grade security and compliance for sensitive workloads.
Cons
- 5% Fee on CreditsPay-as-you-go credits incur a 5% platform fee on top-ups, adding cost for heavy users.
- Limited Free ModelsOnly 3 free models are available with rate limits (20 reqs/min), which may not suffice for testing.
- No Advanced Analytics in FreeEnterprise features like advanced analytics, audit logs, and guardrails require a paid plan.
- Credit Card Required for CreditsTopping up credits requires a credit card; no alternative payment methods mentioned.
- Self-host Requires MaintenanceRunning the gateway on your own infrastructure requires DevOps effort and server resources.
Use Cases & Recommended Professions
Software Developer→ View Toolkit
Quickly integrate multiple LLM providers without changing code, reducing time to market.
AI Engineer→ View Toolkit
Experiment with 200+ models and compare performance metrics to select the best model for each task.
Data Scientist→ View Toolkit
Track token usage, latency, and costs per project to optimize machine learning pipelines.
Product Manager→ View Toolkit
Ensure high availability and cost-efficient AI features by leveraging automatic failover and analytics.
Startup Founder→ View Toolkit
Save on infrastructure costs with BYOK and free self-hosting while scaling AI features rapidly.
CTO→ View Toolkit
Maintain compliance and security with enterprise audit logs, guardrails, and SOC 2 certification.
Frequently Asked Questions
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ℹ️ Curation Disclosure: The overview and features of LLM Gateway were synthesized using AI and fact-checked by our curation team to ensure accuracy.
