Model overview
K2-Horizon-0.9B is the compact dense member of the K2-Horizon family: a 0.9B-class decoder-only model with a 128K context window. The chart at the top of this card shows K2-Horizon-0.9B against selected reference models. The table below lists every comparison model used in the figure. Reference models K2-Horizon-0.9B Qwen3.5-0.8B OpenBMB-1B Qwen3.5-2B # Params 0.9B 0.8B 1B 2B # Activated params 0.9B 0.8B 1B 2B Architecture Dense Dense Dense Dense Math AIME 2025 Competition mathematics 41.7 1.0 40.4 34.2 AIME 2026 Competition mathematics 48.5 0.2 40.4 38.8 HMMT Feb 2026 Competition mathematics 25.8 0.6 23.3 22.7 Scientific Reasoning GPQA Diamond Graduate-level science QA 27.3 11.9 26.3 54.9 Coding HumanEval+ Code generation 79.9 16.5 65.2 75.6 MBPP+ Code generation 68.0 35.4 60.6 67.7 LiveCodeBench v6 Competitive coding 37.4 6.6 33.5 29.8 Agents BFCL v4 Function calling 28.0 25.3 25.2 43.6
Key features
特点摘要待依据来源补齐，不凭模型名称推断能力。
Limitations & considerations
Sources are insufficient to establish specific limitations. Verify task performance, latency, data policies, licensing and version lifecycle.
Source prices & cost analysis
Prices vary by channel, region and configuration. Channel quotes are listed independently and are not treated as a single official provider price.
| Source / channel | Input | Output | Billing unit | Collected at |
|---|---|---|---|---|
| No verified prices yet. Check the source channel. | ||||
Estimate monthly base token costs
Estimates exclude cache discounts, tiered pricing, multimodal surcharges, web search, taxes and additional reasoning output.
Public benchmarks & run configuration
暂无已采集的可核验公开评分。模型未上榜不代表能力较低。
View full indexed rankings →Frequently asked questions
Do open weights permit free commercial use?
Not necessarily. Check the version license, commercial conditions and usage policies. Self-hosting incurs compute and maintenance costs.
Are these real-time billing prices?
These are timestamped source snapshots, not live billing prices. Check the channel for current versions, regions, discounts and billing methods.
Sources & traceability
许可证：apache-2.0。模型介绍与第三方评测均以原来源的具体版本和方法为准。