Machine Learning Intern/Co-op (Winter 2026)
Cohere is a company focused on scaling intelligence to serve humanity through training and deploying frontier models for AI systems. The Machine Learning Intern will design and implement novel research ideas, build training and deployment pipelines, and work closely with product teams to develop AI solutions. Responsibilities Design, train and improve upon cutting-edge models Help us develop new techniques to train and serve models safer, better, and faster Train extremely large-scale models on massive datasets Explore continual and active learning strategies for streaming data Learn from experienced senior machine learning technical staff Work closely with product teams to develop solutions Skills Currently enrolled in a post-secondary program Available for a full-time 3-6 month internship, co-op, or research work term Proficiency in Python and related ML frameworks such as Tensorflow, TF-Serving, JAX, and XLA/MLIR Experience using large-scale distributed training strategies Familiarity with autoregressive sequence models, such as Transformers Strong communication and problem-solving skills A demonstrated passion for applied NLP models and products Experience writing kernels for GPUs using CUDA Experience training on TPUs Papers at top-tier venues (such as NeurIPS, ICML, ICLR, AIStats, MLSys, JMLR, AAAI, Nature, COLING, ACL, EMNLP) Benefits An open and inclusive culture and work environment Work closely with a team on the cutting edge of AI research Free daily lunch Full health and dental benefits, including a separate budget to take care of your mental health Personal enrichment benefits towards arts and culture, fitness and well-being Remote-flexible, offices in Toronto, New York, San Francisco and London and coworking stipends Paid vacation Weekly lunch stipend, in-office lunches & snacks 100% Parental Leave top-up for up to 6 months Personal enrichment benefits towards arts and culture, fitness and well-being, quality time, and workspace improvement Remote-flexible, offices in Toronto, New York, San Francisco, London and Paris, as well as a co-working stipend 6 weeks of vacation (30 working days!) Company Overview Cohere is an enterprise AI firm developing secure and private AI technology to address real-world business challenges. It was founded in 2019, and is headquartered in Toronto, Ontario, CAN, with a workforce of 201-500 employees. Its website is Company H1B Sponsorship Cohere has a track record of offering H1B sponsorships, with 11 in 2025, 14 in 2024, 13 in 2023, 5 in 2022, 2 in 2021. Please note that this does not guarantee sponsorship for this specific role.