Corti Launches Symphony for Medical Coding API, Claims 25% Accuracy Gains Over General-Purpose LLMs

Summary

Clinical AI lab Corti has released Symphony for Medical Coding, an agentic AI model delivered via API and targeted at healthcare software developers. The company claims the model outperforms generalized LLMs from OpenAI, Anthropic, Amazon, Oracle, and Google by more than 25% on clinical accuracy benchmarks. Corti frames medical coding—which involves navigating over 70,000 ICD-10-CM diagnosis codes—as a reasoning task rather than a simple prediction or labeling task, which it argues is the approa