// unified ai gateway

One API.
Every Model.

Access 70+ language models through a single API call. GPT-5, Claude, Gemini, Llama, Mistral — one key, one billing, zero lock-in.

// Switch models in one line
const res = await megallm.chat({
  model: "gpt-5",
  fallback: ["claude-4", "gemini-pro"],
  messages: [{ role: "user", content: "Hello" }]
})

Smart Failover

Automatic fallback chains across providers. If GPT-5 rate-limits, Claude catches it. Zero downtime, always.

70+ Models

GPT-5, Claude 4, Gemini Ultra, Llama 4, Mistral, Command R+ and more. New models added within 48 hours of release.

Real-time Analytics

Live cost tracking, latency monitoring, and usage dashboards. Know exactly where every token goes.

01

Get your API key

Sign up and grab your unified key. No credit card required to start.

02

Drop-in replace

Swap your OpenAI base URL. Your existing prompts and code work unchanged.

03

Ship it

Access every model instantly. Set fallback chains, track costs, scale globally.

99.99%
Uptime SLA
<100ms
Latency Overhead
70+
Models
40%
Cost Savings
Simple & Transparent

Usage-based pricing

No monthly fees. No minimums. No surprises. Just a thin markup on provider costs with volume discounts at scale.

  • 10-20% markup on base provider pricing
  • Volume discounts above 10M tokens/month
  • Enterprise custom pricing available
  • Free tier to get started
Get Started Free