ThunderPhone

ThunderPhone

Self-tuning AI voice agents, from 2¢/min

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ThunderPhone is like Claude Code for voice AI. The Zeus harness automatically tunes voice agents on our platform, featuring the highest accuracy (99.4% on Big Bench Audio), and the cheapest calls (starting from just 2¢/min) on the market.

ThunderPhone launches

Launch date
Zeus by ThunderPhone
Zeus by ThunderPhoneLike Claude Code for voice AI, from 2¢/min

Launched on November 9th, 2026

ThunderPhone
ThunderPhonePlatform for building reliable AI phone agents (from 2c/min)

Launched on September 1st, 2026