Every text-to-speech model on the board now publishes a cost

Status: available. Four token- or hourly-priced TTS models gain converted per-character costs, and with a published cost they become rankable under the cost objective. Google gemini-3.1-flash-tts (~USD 33.3), OpenAI gpt-4o-mini-tts (~USD 20), Soniox tts-rt-v1 (~USD 13) and Qwen qwen3-tts-flash (USD 10, an exact vendor rate) publish costs per 1M characters.