Google Standard
Google Standard is a proprietary text-to-speech (TTS) API from Google, measured by one independent benchmark, Artificial Analysis.
Speech Arena Elo 937 on Artificial Analysis, latency not measured; ranked 100th of 112 in the TTS for Voice Agents 2026 index.
Benchmark summary: 2.6/100, ranked 100th of 112 in the TTS for Voice Agents 2026 index (Listed). Strongest criterion: price, 1.3 of 5 points.
Neuphonic TTS is a proprietary text-to-speech (TTS) API from Neuphonic, measured by one independent benchmark, Artificial Analysis.
Overall score
2.6 /100
Data checked on September 30, 2026
Updated after each benchmark capture
Every point comes from a public benchmark: sources · methodology
Neuphonic TTS ranks 100th of 112 in the 2026 text-to-speech (TTS) API benchmark, with a score of 2.6/100.
Neither Coval nor Speko measures Neuphonic 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), Neuphonic TTS has an Elo of 937 (±14, 95% confidence) from 2,373 blind comparisons, 80th highest of the 92 models Artificial Analysis rates.
Artificial Analysis lists Neuphonic TTS at $20.8 per 1M characters (38th 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 (938, then 937): the score uses the average, 937.5. The value shown is the latest.
Google Standard is a proprietary text-to-speech (TTS) API from Google, measured by one independent benchmark, Artificial Analysis.
Amazon Polly Standard is a proprietary text-to-speech (TTS) API from Amazon, measured by one independent benchmark, Artificial Analysis.
Amazon Polly Neural is a proprietary text-to-speech (TTS) API from Amazon, measured by one independent benchmark, Artificial Analysis.