Institute of Foundation Models model product
K2 Horizon 0.9B
9B is a compact decoder-only reasoning model from Institute of Foundation Models.
Updated Nov 11, 2026. Default version: K2 Horizon 0.9B
LLMBoard Score0.3K2 Horizon 0.9B
Coverage20%8 benchmark families
Context windowN/ATokens
Official input priceN/AOfficial price unavailable
K2 Horizon 0.9B Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
K2 Horizon 0.9B Benchmark Results
Benchmark scores for K2 Horizon 0.9B.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkMBPP+ | Score68.00% | Rank02 | Participants5 | Percentile75.00% | EvidenceC | Evaluated |
| BenchmarkHumanEval+ | Score79.90% | Rank06 | Participants11 | Percentile50.00% | EvidenceC | Evaluated |
| BenchmarkHMMT Feb 26 | Score25.80% | Rank16 | Participants16 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkBFCL-V4 | Score28.00% | Rank24 | Participants25 | Percentile4.17% | EvidenceC | Evaluated |
| BenchmarkAIME 2026 | Score48.50% | Rank26 | Participants28 | Percentile7.41% | EvidenceC | Evaluated |
| BenchmarkLiveCodeBench v6 | Score37.40% | Rank68 | Participants69 | Percentile1.47% | EvidenceC | Evaluated |
| BenchmarkAIME 2025 | Score41.70% | Rank117 | Participants123 | Percentile4.92% | EvidenceC | Evaluated |
| BenchmarkGPQA | Score27.30% | Rank257 | Participants265 | Percentile3.03% | EvidenceC | Evaluated |
K2 Horizon 0.9B Arena Results
Preference and agent-evaluation results for the default version.
No Arena results
The default version does not have a matching Arena result yet.
K2 Horizon 0.9B Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- N/A
- Official provider
- N/A
- Lowest third-party
- N/A
- Tracked offerings
- 0
No provider prices
The default version has no current input or output token prices.
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
K2 Horizon 0.9B Runtime Performance
Provider-specific output speed and catalog latency for K2 Horizon 0.9B. Runtime does not affect the capability score.
No runtime data
No provider-specific speed or latency record is linked to the default version yet.
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
K2 Horizon 0.9B Specifications
Technical details for the model's default version.
- Version
- K2 Horizon 0.9B
- Released
- Sep 3, 2026
- Knowledge cutoff
- Unknown
- Parameters
- 900M
- Context window
- N/A
- Max output
- N/A
- Inputs
- text
- Outputs
- text
- Open weights
- Yes
- License
- Apache 2.0
K2 Horizon 0.9B Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionK2 Horizon 0.9B | Released | LLMBoard0.32 | Parameters900M | ContextN/A | Max outputN/A | Open weightsYes | LicenseApache 2.0 |
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What is K2 Horizon 0.9B?
Key information about K2 Horizon 0.9B and its available data.
08B parameters and supports English and Chinese with a 131,072-token context window. It was pretrained on 5T tokens and post-trained using multi-teacher and on-policy distillation.
Data as of 2026-11-10.
FAQ
Common questions about K2 Horizon 0.9B.
When was K2 Horizon 0.9B released?
K2 Horizon 0.9B's default version was released on Sep 3, 2026.
How much does K2 Horizon 0.9B cost?
No official standard PAYG price is currently available for K2 Horizon 0.9B.
Who created K2 Horizon 0.9B?
K2 Horizon 0.9B was created by Institute of Foundation Models.
What is the context window for K2 Horizon 0.9B?
A context window is not available for the default version.
Is K2 Horizon 0.9B open weight?
Yes. The default version is marked as open weight under Apache 2.0.
How many API providers offer K2 Horizon 0.9B?
No provider offering is currently linked to the default version.