200 models · 1,226 open weights · 200 API-only · refreshed nightly

API-only models

Closed models whose weights are not published: you can only call them through a hosted API. Prices are USD per million tokens from OpenRouter, refreshed daily; intelligence and coding scores come from Artificial Analysis.

Licence
Size
4 models
#ModelParamsContextCommercial use30dMin VRAM
01 GPT Audio openai · text-to-speech API-only — 128 K proprietary · API terms — API $4.38/M
02 GPT Audio Mini openai · text-to-speech API-only — 128 K proprietary · API terms — API $1.05/M
03 Lyria 3 Pro Preview google · text-to-speech API-only — 1.0 M proprietary · API terms — API Free/M
04 Lyria 3 Clip Preview google · text-to-speech API-only — 1.0 M proprietary · API terms — API Free/M
VRAM figures are estimates for the smallest available quantization at 8K context — see /methodology. Downloads refresh nightly from the Hugging Face API; API prices (blended 3:1 input:output per 1M tokens) and Artificial Analysis indices from OpenRouter.