hy4 is available in the Default and SVIP groups through the OpenAI-compatible /v1/chat/completions endpoint, with cached input at $0.045 per 1M tokens; office tasks pass at 96.15%, finance crowdsourcing ranks first among open models, and the hallucination rate falls from 12.95% to 7.2%.
Vision input is confirmed working: pass images directly in messages. Computer Use is a new upstream capability — validate it with a single request in your own format before relying on it.
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