A payment method is required to call the API — adding one is free and never charges you. It grants $1 in credit spendable across these 15 curated picks, led by GLM-5.2, for 30 days. Top up any amount and the full catalog opens. Topups never expire.
* Add a card (no charge) for $1 in credit on the selected models above. The $1 expires 30 days after you add the card. Topups never expire.