Phonic 1 ranks first on Artificial Analysis Speech to Speech Index
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Rohan PaulXPhonic releases Phonic-1 speech-to-speech model for live agentic callsAIPhonic has released Phonic-1, a speech-to-speech model that it says can run tool calls while the caller is still talking. It reports 87.1 on Artificial Analysis's speech-to-speech index and 0.61 seconds to first audio. The company also reported a $27.5M Series A led by First Round, bringing total funding to $31.5M.
LiveKitOfficialPhonic-1 speech-to-speech model available in LiveKit Agents on Day 0AILiveKit says Phonic-1, from Phonic, is available in LiveKit Agents on launch day and ranks #1 on the Artificial Analysis Speech to Speech Index. The model is built for long calls with dozens of tool calls, and developers can add it to their agents with one line of code.
Artificial AnalysisOfficialPhonic 1 (High) has the fastest time to first audio among top speech modelsAIArtificial Analysis says Phonic 1 (High) averages 0.61 seconds to first audio on the Big Bench Audio benchmark. That is about 25% faster than Grok Voice 3.0 at 0.81 seconds, and less than half the time of GPT-Live-1 (Astra, medium) at 1.34 seconds and Gemini 3.8 Live Extended Thinking (High) at 1.35 seconds. It is the fastest of the top five models in its Speech to Speech Index.
- Artificial AnalysisOfficialPhonic 1 (High) costs $4.20 per hour of input audio
AIArtificial Analysis reports that Phonic 1 (High) costs $4.20 per hour of input audio, or $0.07 per minute. That is below Grok Voice 3.0 at $4.80, GPT-Live-1 (Sol, low) at $4.47, and GPT-Live-1 (Astra, medium) at $5.83, but above Gemini 3.8 Live Extended Thinking (High) at $3.50. It is about 2.6x cheaper than GPT-Realtime-2.1 High at $10.75.
- Artificial AnalysisOfficialPhonic 1 (High) scores 98.9% on Big Bench Audio speech reasoning
AIArtificial Analysis reports that Phonic 1 (High) scores 98.9% on Big Bench Audio, its speech reasoning benchmark. That result is ahead of Grok Voice 3.0 at 98.5% and Gemini 3.8 Live Extended Thinking (High) at 97.7%.
- Artificial AnalysisOfficialPhonic 1 (High) tops the Artificial Analysis Speech to Speech Index at 87.1
AIArtificial Analysis says Phonic's Phonic 1 (High) ranks first of 22 models on its Speech to Speech Index with a score of 87.1, narrowly ahead of Grok Voice 3.0 at 86.9. Phonic 1 scores 79.9% on Tau Voice, 5.4 points above the next model, and 98.9% on Big Bench Audio, third behind StepAudio 3 Realtime and Qwen Audio 3.0 Realtime Plus. It is available through the Phonic API at $0.07 per minute, or $4.20 per hour of input audio, with a time to first audio of 0.61 seconds.
