K2 Horizon 0.9B
K2 Horizon 0.9B is available now for rag, agents, and long context with open-source and 131k context; evaluate it while provider pricing coverage matures.
Use it for
- Teams evaluating rag, agents, and long context
- Workloads that can use a 131k context window
Do not use it for
- Cost-sensitive launches that need sourced token pricing
- Vision or document-understanding workloads
- Teams that need a tracked hosted API route today
- Family
- K2 Horizon
- Released
- 2026-09-03
- Context
- 131k
- Parameters
- 0.9B
- Architecture
- Decoder Only
- Specialization
- agentic
- Openness
- Open source
- License
- Apache 2.0OSI-approvedCommercial use: permitted
- Weights
- Available
- Code
- Unknown
- Training
- Pretrained
No tracked provider token pricing is available yet.
About
K2-Horizon-0.9B is the compact dense K2 Horizon model: 0.9B parameters with 128K context via YaRN RoPE scaling (131,072 tokens), multi-teacher distillation across math, code, STEM, and instruction following, and Apache 2.0 weights on Hugging Face (IFM/K2-Horizon-0.9B).
Top use-case fit: coding, agents, and build tasks
RAG
Included by capability and metadata signals in the decision map.
Agents
Included by capability and metadata signals in the decision map.
Long context
Included by capability and metadata signals in the decision map.
Provider price ladder
No tracked provider token pricing is available for this model yet.
Capabilities
Benchmark peer barsfor RAG
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
No tracked provider token pricing is available yet.