Async Flash v1.5 ranks as the best-quality low-price TTS model on Artificial Analysis benchmark
June 2, 2026 — Async’s latest text-to-speech model, Async Flash v1.5, has achieved a leading position on Artificial Analysis’ Quality vs. Price benchmark, ranking ahead of models from major AI providers including ElevenLabs, MiniMax, Microsoft, and OpenAI.
Among text-to-speech models priced below $10 per 1 million characters, Async Flash