IFM Paris has launched K2 Horizon, a suite of six open-source language models ranging in size from 0.9 billion to 375 billion parameters. The models, including 0.9B, 3.7B, and 7B variants, achieve state-of-the-art performance for their respective scales in areas like reasoning, mathematics, and coding. K2 Horizon is notable for its radical openness, providing full access to the training lifecycle, including intermediate checkpoints, data recipes, architecture details, and training code, making it the most comprehensive open model release to date for agentic tasks. AI
IMPACT Sets new performance benchmarks for smaller model sizes and provides unprecedented openness for agentic AI research.
RANK_REASON Frontier-lab model release with system card and full training lifecycle details.
- K2 Horizon
- 0.9B
- 36B-A4B
- 375B-A23B
- 3.7B
- 7B
- Apache Software License 2.0
- IFM Paris
- Mixture-of-Value-Attention
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