Build advanced reasoning agents with Qwen3 235B A22B (free), 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 235B A22B (free) via the OpenRouter API with up to 131K output tokens.
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Qwen3 235B A22B (free) by OpenRouter costs Free per 1M input tokens and Free per 1M output tokens.