Kimi K2 0905
MoonshotAIOverview
Kimi K2 0905 is the September update of Kimi K2 0711. It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32 billion active per forward pass. It supports long-context inference up to 256k tokens, extended from the previous 128k. This update improves agentic coding with higher accuracy and better generalization across scaffolds, and enhances frontend coding with more aesthetic and functional outputs for web, 3D, and related tasks. The model is trained with a novel stack incorporating the MuonClip optimizer for stable large-scale MoE training.
Kimi K2 0905 was released on September 5, 2025. API access is available through Novita.
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Benchmarks
Kimi K2 0905 Performance Across Datasets
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llm-stats.com - Sun Dec 14 2025Pricing
Pricing, performance, and capabilities for Kimi K2 0905 across different providers:
| Provider | Input ($/M) | Output ($/M) | Max Input | Max Output | Latency (s) | Throughput | Quantization | Input | Output |
|---|---|---|---|---|---|---|---|---|---|
 Novitafp8 | $0.60 | $2.50 | 262.1K | 262.1K | — | — | fp8 | Text Image Audio Video | Text Image Audio Video |
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