Google Unveils MedGemma 1.5: Revolutionary Medical AI Update Enhances CT, MRI, and Speech-to-Text Integration

January 14, 2026
Google Unveils MedGemma 1.5: Revolutionary Medical AI Update Enhances CT, MRI, and Speech-to-Text Integration
  • Google released MedGemma 1.5, a multimodal medical AI update, expanding support for CT, MRI, and histopathology, and introducing MedASR, an open medical speech-to-text system designed for clinical dictation and workflow integration.

  • Benchmarks show notable gains in production-ready tasks without increasing model size: Chest ImaGenome IoU climbs from 3% to 38%, MS-CXR-T macro-accuracy rises from 61% to 66%, and lab report extraction macro F1 improves from 60% to 78%.

  • MedASR targets accurate transcription of clinical conversations and notes, aiming to handle medical terminology, accents, and real-world hospital audio to reduce errors common in generic ASR.

  • Industry observers note policy support and growth potential as 14th Five-Year Plan unfolds, with oversold conditions and a push toward commercialization; among watches are Kangzhong Healthcare, Runda Healthcare, Jiahemeikang, and Meinian Health.

  • The release signals intensified competition in AI for healthcare, with OpenAI and Anthropic launching health-focused offerings and partnerships to leverage large volumes of health queries.

  • A cautionary disclaimer explains models are starting points requiring validation, clinical correlation, and verification before any direct clinical decision-making.

  • CITIC Securities views 2026 as a fundamental shift for AI in healthcare, with clearer payer identification and stronger buying power, signaling growing commercial viability.

  • Overall coverage depicts a momentum shift toward AI-enabled healthcare, highlighting new open-source tools from Google, rising adoption, investment interest, and policy catalysts.

  • The release and related posts span January 13–14, 2026, underscoring ongoing collaboration with the developer community.

  • Early adopters include Qmed Asia and Taiwan’s National Health Insurance Administration testing conversational interfaces and pathology report analysis.

  • MedGemma should be validated and adapted before clinical deployment and is positioned within a competitive landscape that includes OpenAI and Anthropic in healthcare AI.

  • Google frames these tools as research and development aids to foster medical AI innovation and collaboration, rather than consumer-facing products.

Summary based on 11 sources


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