Free API provider

Free AI API access at Sail Research

Sail Research has 1 published free API listing. Compare the models and limits stated in each source, then confirm current terms with the provider.

Models listed

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Published provider record

Models: Kimi, GLM 5.3, GLM 5.3 Flash, DeepSeek V4.1 Flash 1017
Stated free limit: Free plan
Payment card: Not stated
Signup: https://docs.sailresearch.com/pricing
Official documentation: https://docs.sailresearch.com/api-reference/models-api/list-supported-models

Last checked November 9, 2026

Limits and signup requirements are copied from the listed sources and can change. Check the provider’s terms before relying on access.