Fast inference for voice.

Hopper trains STT, TTS, and speech LLMs on your production calls, then serves and improves them against your live traffic

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Hopper Inference circuit board

Gemma 4 31B

80 ms

TTFT

vs. 600 ms for GPT-4.1

$0.40

per 1M input tokens

vs. $2 for GPT-4.1

Meet the team

We’re Pavan and Jashwanth. Pavan ran voice inference at Salient, powering millions of calls a day. Jashwanth wrote inference kernels for Quest 3 at Meta Reality Labs.

We met in high school more than 13 years ago and studied together at IIT Madras.

  • Meta
  • ACM ICPC
  • Uber
  • Microsoft
  • Samsung
  • IIT Madras

We’re backed by Y Combinator and leaders including Vijay Krishnan (CTO of Turing), as well as others from xAI, Stripe, and Rubrik.

Writing