K2 Horizon 375B A23B
K2 Horizon 375B A23B is Moonshot AI (Kimi)'s language model. A large-scale mixture-of-experts LLM with 375B total parameters and 23B active parameters, designed for advanced reasoning and long-context tasks.
| Specifications | |
|---|---|
moonshot-k2-horizon-375b-a23b | |
| Language | |
| Active | |
| Moonshot AI (Kimi) | |
| Text | |
| Text | |
| 375B | |
| Benchmarks | |
|---|---|
| Intelligence Index | #79 |
| Coding Index | #40 |
| GPQA | #72 |
| HLE | #86 |
| Time to First Token | #505 |
| SciCode | #127 |
| LCR | #49 |
| Output TPS | #2 |
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Cheapest Instances to Run It
Cloud GPU instances that can host K2 Horizon 375B A23B, ranked by cheapest on-demand price. The model needs about 900 GB of GPU memory at FP16 precision (estimated from its parameter count), so treat the fit as guidance rather than a guarantee.
All clouds
FP16 (full precision)
US Dollar ($)
Instance | Cloud | GPU | VRAM | Price | Cheapest region | |
|---|---|---|---|---|---|---|
| Standard_ND96is_MI300X_v5 |  Azure | 8× AMD Instinct MI300X GPU (192GB) | 1536 GB | $48.00/hr | ||
| Standard_ND96isr_MI300X_v5 | Azure | 8× AMD Instinct MI300X | 1536 GB | $48.00/hr | ||
| p5en.48xlarge |  AWS | 8× H200 | 1128 GB | $63.30/hr | ||
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| K2 Medium 2 | — | — | — | — | Available |
| K2.2 Think | — | — | — | — | Available |
| MBZUAI K2.2 | — | — | — | — | Available |
| K2 Low 2 | — | — | — | — | Available |
| K2 Horizon 375B A23B | — | — | — | — | Current |