What happened
SB Intuitions announced Sarashina3.2 mini thinking, the Sarashina series' first thinking model, available via API through the free beta Sarashina service.
Why it matters
As the first thinking model in the series, it handles more complex tasks than the non-thinking Sarashina3 mini, with improved coding, tool calling, and web search performance, and lets users set thinking depth to low, medium, or high.
WHO IT HITSDevelopers and businesses building API-based applications—such as web-search Q&A or e-commerce customer support systems—gain a new option for complex tasks, offered through SB Intuitions' free beta service.
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SB Intuitions, an AI development company under SoftBank, released Sarashina3.2 mini thinking on October 29. This is the first thinking model in the Sarashina series, which the company developed fully in-house. The model is offered via API through the free beta Sarashina service.
Compared with the non-thinking Sarashina3 mini, the new model handles more complex tasks and shows improved performance in coding, tool calling, and web search. Users can set thinking depth to low, medium, or high to adjust the balance between response time and accuracy. The company cites use cases such as answering questions based on web search and operating systems for e-commerce customer support.
During pretraining, SB Intuitions focused on long-text processing and agent performance, and in post-training it worked on web search capability and safety. The company says the model achieved scores on multiple benchmarks comparable to models including the National Institute of Informatics' llm-jp-4.1-33b-thinking, Alibaba Cloud's Qwen3-235B-A22B-Thinking-2507, and OpenAI's gpt-oss-120b.
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