Compare Avg Price, Text to Speech, license, and release date. Search any text-to-speech model with the pickers below.
Lightning V3.1 Pro (Jul 2026)
Smallest.ai
N/A
Lightning V3.1 Pro TTS (Jun 2026)
Smallest.ai
N/A
Neither Lightning V3.1 Pro (Jul 2026) nor Lightning V3.1 Pro TTS (Jun 2026) has a public Avg Price in this index yet, so we cannot name a cheaper text-to-speech API from list rates alone.
Lightning V3.1 Pro (Jul 2026) currently leads on Text to Speech: N/A for Lightning V3.1 Pro (Jul 2026) vs N/A for Lightning V3.1 Pro TTS (Jun 2026). Rank and price move independently, so the cheaper text-to-speech model is not automatically the weaker one.
Lightning V3.1 Pro (Jul 2026) is proprietary (Proprietary). Lightning V3.1 Pro TTS (Jun 2026) is proprietary (Proprietary). Open-weight models can be self-hosted; proprietary ones are billed only through the provider API on this page.
Use the model pickers at the top of this page. Search any text-to-speech model in the index and the URL updates to a new comparison, the same way LLM comparison pages work. Open either model from the sidebar for the single-model Avg Price page.
This comparison uses public llm-stats and ZeroEval arena data for text-to-speech models, then normalizes Avg Price, Text to Speech, license, and release date inside AnotherWrapper. Treat the numbers as comparable public list rates, not a quote from either vendor.
Next step
Auth, billing, and the API layer are already decided. Fork 8 finished AI apps, or have us build the first version with you.
