FoundryAI vs KeywordsAI

“Every LLM call, tool run, retrieval, and agent turn becomes a span in one trace”

“Any span, down to the last field Model, latency, cost, tokens, and the exact input and output sit on every span”

“Set budgets and rate limits per key, per customer, or org-wide, get warned as you near them, and block requests before spend runs away.”

“Set budgets and rate limits per key, per customer, or org-wide”

“Operated under GDPR, the world's strictest standard for data privacy.”

“99.99% with fallbacks”

“Score every output against the bar you set, so you know it holds up on a test set and in production”

“Loved by world-class founders, engineers, and product teams.”

“Start for free”

“Start for free”

“Start for free”

“Point the SDK you already use at one endpoint”

“Works with your entire stack Use Respan with your favorite frameworks and tools.”

“Operated under GDPR, the world's strictest standard for data privacy.”

“One API for every model”

“Get API key”

“The AI observability platform behind 80 trillion+ tokens.”

“The AI observability platform behind 80 trillion+ tokens.”

“Built to meet the security and privacy standards that enterprise and healthcare teams require.”

“Built to meet the security and privacy standards that enterprise and healthcare teams require.”