K2 Horizon 3.7B: Benchmarks, Pricing & Context Window
K2 Horizon 3.7B is a language model from Institute of Foundation Models, released in September 2026.
K2 Horizon 3.7B is the small dense member of IFM's (MBZUAI) fully open K2 Horizon family: a 3.7B-core decoder-only reasoning model (36 layers; about 5.1B parameters in the released safetensors including its 250K-token vocabulary
K2 Horizon 3.7B benchmarks
Capability tiers
Standing within each category, adjusted for leaderboard depth.
Real tasks performance
High-confidence performance for K2 Horizon 3.7B across real-world prompt categories. Only 95% intervals at most 4 points wide are shown.
Performance by conversation depth
How K2 Horizon 3.7B holds up as conversations get longer.
Quality Tracker
K2 Horizon 3.7B Performance Across Datasets
Scores sourced from the model's scorecard, paper, or official blog posts
llm-stats.com - Fri Oct 30 2026K2 Horizon 3.7B model size
K2 Horizon 3.7B has 3.7 billion parameters and was trained on 22.9 trillion tokens. See how it compares to other models in the same parameter range.
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K2 Horizon 3.7B latency
K2 Horizon 3.7B time to first token, sustained output throughput, and failed-request rate from live model usage over the trailing 7 days.
K2 Horizon 3.7B examples
Recent arena outputs from K2 Horizon 3.7B, picked from the highest-ranked matchups.
K2 Horizon 3.7B license
K2 Horizon 3.7B is released under the Apache 2.0 license, which permits commercial use, has 3.7B parameters.
- License
- Apache 2.0
- Commercial use allowed
- Parameters
- 3.7B
Apache License 2.0 - allows commercial use
K2 Horizon 3.7B resources
Official sources for K2 Horizon 3.7B: official launch post, source repository, model weights.
K2 Horizon 3.7B vs other models
The most-compared alternatives to K2 Horizon 3.7B are Phi 4 Reasoning Plus, Qwen3 VL 32B Instruct, Nova 2 Lite. Open any pair side-by-side for benchmarks, pricing, context, and latency.
Models like K2 Horizon 3.7B
Models ranked just above and below K2 Horizon 3.7B by LLM Stats score.
FAQ
Common questions about K2 Horizon 3.7B.