Google Journey
Google Journey is a proprietary text-to-speech (TTS) API from Google, measured by one independent benchmark, Artificial Analysis.
Speech Arena Elo 1,036 on Artificial Analysis, latency not measured; ranked 78th of 112 in the TTS for Voice Agents 2026 index.
Benchmark summary: 5/100, ranked 78th of 112 in the TTS for Voice Agents 2026 index (Listed). Strongest criterion: price, 1.8 of 5 points.
Boson AI Higgs Audio V3 TTS is an open-weights text-to-speech (TTS) API from Boson AI, measured by one independent benchmark, Artificial Analysis.
Overall score
5 /100
Data checked on September 30, 2026
Updated after each benchmark capture
Every point comes from a public benchmark: sources · methodology
Boson AI Higgs Audio V3 TTS ranks 78th of 112 in the 2026 text-to-speech (TTS) API benchmark, with a score of 5/100.
Neither Coval nor Speko measures Boson AI Higgs Audio V3 TTS's latency, so it scores 0 of 60 on real-time speed and does not appear in the real-time ranking.
No accuracy measurement: Coval does not measure its word error rate and Speko does not rate its pronunciation robustness, so accuracy counts 0 of 15.
In the Artificial Analysis Speech Arena (capture of October 1, 2026), Boson AI Higgs Audio V3 TTS has an Elo of 1,036 (±13, 95% confidence) from 2,015 blind comparisons, 63rd highest of the 92 models Artificial Analysis rates.
Artificial Analysis lists Boson AI Higgs Audio V3 TTS at $15 per 1M characters (19th lowest of the 78 models Artificial Analysis lists a price for).
Artificial Analysis changed its Speech Arena Elo between the captures of September 30, 2026 and October 1, 2026 without a new measurement date (1,037, then 1,036): the score uses the average, 1,036.5. The value shown is the latest.
Tested in Spanish, German, French, Portuguese, Japanese, Chinese, Arabic, Hindi and Vietnamese by Artificial Analysis or Speko. A language missing here was not tested, which does not mean it is unsupported.
Google Journey is a proprietary text-to-speech (TTS) API from Google, measured by one independent benchmark, Artificial Analysis.
Fish Audio OpenAudio S1 Mini is an open-weights text-to-speech (TTS) API from Fish Audio, measured by one independent benchmark, Artificial Analysis.
OpenAI GPT-Realtime-2 is a proprietary text-to-speech (TTS) API from OpenAI, measured by one independent benchmark, Artificial Analysis.