Free
Maritaca's new S5 model is free on the API for a limited time, 60 requests per minute
Brazilian AI lab Maritaca just released S5, the new generation of its Sabiá models, and launched a limited-time free variant called S5-free. Create a Maritaca platform account and an API key, and you can call it with no token charges at up to 60 requests per minute.
Limited-time free access to S5-free at 60 requests per minute, no token charges
- Eligibility：
- Create a Maritaca platform account and an API key. The free model is text-only and excludes the Batch API, Flex and built-in tools.
- Benefit duration：
- Free for a limited time during the launch; no end date announced
The briefing
Maritaca is a Brazilian AI lab, and on November 3 it released S5, the new generation of its Sabiá model family. Alongside the launch it added a limited-time free variant, S5-free, with no token charges. All you need is a platform account.
What you can use
S5 offers adjustable reasoning effort and a 1 million token context window. It is strongest in Portuguese and Brazilian topics, and it also handles coding and long documents. You can plug it into coding tools that accept a custom API, such as Aider or OpenClaw.
The free model is called S5-free. It accepts text input only and does not include the Batch API, Flex, or the built-in web search and code execution tools. The rate limit is the same for every account: 60 requests per minute and 256K tokens per minute each for input and output. It is a launch offer that can end at any time, after which you would switch to the paid S5 at R$0.50 per million input tokens and R$2.50 per million output tokens.
How to use it
- Sign up on the Maritaca platform and create an API key.
- Call it through the OpenAI-compatible API with
base_urlset tohttps://chat.maritaca.ai/apiand the model nameS5-free.
Pricing and rate limits are on the Maritaca pricing page and rate limits page, and the model is introduced in the S5 launch post.