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CallingBox

S25Pivot 1 of 2
2 people|Active|Website
InfrastructureAI
96°Major Pivot
Before

Auto-optimizer for AI agents

After

The API for AI phone calls

Full description — before

Our mission is to build self-improving AI agents. We're here to close the last mile reliability gap. Through calibrated llm judges and automatic evaluations, we help companies optimize their agents 10x faster than doing manual experimentation.

Full description — after

Make AI phone calls from a single API call.

Category shift
AI Coding AssistantsVoice AI & Customer Support
Summary

The company changed from building auto-evaluation tools for improving AI agents (an optimization infrastructure product) to an API for making AI phone calls (a communications/telephony product). This is a complete pivot—different product, market, and problem.

Detected 1 month ago · 2026-04-22
Company journey — 2 pivots
116.1°Near Reinvention2026-04-30

The API for AI phone calls(viewing)

95.8°Major Pivot2026-04-22
Started as

Auto-optimizer for AI agents