Inworld Realtime TTS-2 takes #1 on Controlled Voice Arena at $20.83/1M chars
ArtificialAnlys · x · 2026-09-03
Artificial Analysis benchmarks Inworld's new Realtime TTS-2: it takes #1 on the Controlled Voice Arena (Elo 1,123, edging Cartesia Sonic 3.6 at 1,119) and #2 on the Provider Voice Arena (1,252) behind Sonic 3.6 (1,282), ahead of Alibaba Qwen-Audio-3.0-TTS-Plus and Speechify Simba 3.2.
Key points:
- Supports 100+ languages with mixed-language requests and plain-text delivery instructions
- 106 chars/sec generation, faster than Eleven v3 (40) but slower than Sonic 3.6 (124)
- Priced at $20.83 per 1M characters—well below Sonic 3.6 ($49) and Eleven v3 ($100), above Simba 3.2 ($10)
Related event: Inworld's Realtime TTS-2 Launches and Tops Voice Leaderboards(7 posts)→
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