One API key for AI models, usually below list price
Stage
MVP
Not given
Founded
Not given
Not given
Based in
Not given
US
Pricing model
Open source
Freemium
Pricing
Free during beta. Self-hosted is free under Apache 2.0 license. Enterprise options available on request.
Free account with pay-as-you-go pricing starting from $5 credit. No monthly fee. Card payments cost 5.5% + $0.50. Individual model prices vary: Claude Opus 5.5 from $0.10 per 1M input tokens to $0.50 per 1M output tokens; DeepSeek V4.1 Flash from $0.000179 to $0.0014 per 1M tokens; GPT-6 Luna from $
Key features
Prompt versioning with named aliases and diffs
Server-side prompt templating with conditionals and loops
OpenAI-compatible AI gateway with automatic model fallbacks
Virtual keys, budgets and per-key rate limits
LLM tracing through the gateway or over OpenTelemetry
Versioned tool catalog for function calling
Offline experiments and online evaluation rules
Prompt optimization with candidate rewrites
Team-wide audit trail of every change
MCP server for Claude Code, Claude Desktop, Cursor
One API key for every major model
Routes requests to cheapest healthy seller
Text, image, video and music models
$0 billing for failed requests
OpenAI and Anthropic SDK compatible
No monthly fee or minimum spend
Pay-as-you-go billing from $5 credit
Credit does not expire
Stream, poll or webhook support
What makes it different
Change prompts without a deploy by moving production alias
AcruxCore
UberLLM