Build advanced reasoning agents with qwen3.5:397b, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers available completely free of charge, native tool calling support, open weights architecture. Access qwen3.5:397b via the Ollama Cloud API with up to 82K output tokens.
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qwen3.5:397b by Ollama Cloud costs Free per 1M input tokens and Free per 1M output tokens.