OpenAI announced GPT-5.6, claiming 54% improved token efficiency specifically for agentic coding tasks. The release includes ChatGPT Work and demonstrated performance improvements on the ARC-AGI benchmark. For healthcare AI implementations, token efficiency directly reduces inference costs in clinical workflows where agents handle documentation, coding, and decision support. Healthcare organizations deploying multi-agent systems for EHR integration and prior authorization will see material cost reduction per transaction, improving ROI on clinical AI investments. Vendors building healthcare applications should evaluate whether GPT-5.6's efficiency gains justify model migration from current deployments.