Phonic 1 tops the Speech to Speech Index and Tau Voice agent benchmark

Phonic's Phonic 1 (High) is the new leading Speech to Speech model, debuting at #1 on the Artificial Analysis Speech to Speech Index at 87.1, while also leading on agentic performance and being competitive on latency Phonic 1 is @phonic_co 's Speech to Speech model, available through the Phonic API at $0.07 per minute. We evaluated Phonic 1 at its high intelligence level through the Phonic API. Key takeaways: ➤ Speech to Speech Index: #1 of 22 at 87.1, ahead of Grok Voice 3.0 (86.9) by a very small margin. The Index averages Speech Reasoning (Big Bench Audio), Agentic Performance (Tau Voice), Arena Preference and Task Success Rate ➤ Speech Agent Arena: #8 of 30 on preference (Elo 1012) and #4 on Task Success Rate (92.3%) ➤ Tau Voice: #1 at 79.9%, a clear lead of 5.4 points over the next model ➤ Big Bench Audio: #3 at 98.9%, behind StepAudio 3 Realtime (99.7%) and Qwen Audio 3.0 Realtime Plus (99.2%) ➤ Speed: #4 on Time to First Audio at 0.61s, and the fastest of the top 5 models in the Index ➤ Cost: $4.20 per hour of input audio Congrats to the @phonic_co team 🚀 See below for more detail ⬇️

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