Promptly is an OpenAI-compatible proxy that reduces your LLM expenses by up to 60% through intelligent routing, prompt optimization, semantic caching, and context pruning. Works with OpenAI, Anthropic, and Google.
Strengths
Significant reduction in LLM usage costs
Compatibility with major providers (OpenAI, Anthropic, Google)
Automatic prompt optimization and intelligent request management
Weaknesses
Requires initial setup to maximize savings
Potential complexity for non-technical users
Dependency on external APIs (risk of latency or outages)