Author's Description
Kimi K2 Instruct 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 is optimized for agentic capabilities, including advanced tool use, reasoning, and code synthesis. Kimi K2 excels across a broad range of benchmarks, particularly in coding (LiveCodeBench, SWE-bench), reasoning (ZebraLogic, GPQA), and tool-use (Tau2, AceBench) tasks. It supports long-context inference up to 128K tokens and is designed with a novel training stack that includes the MuonClip optimizer for stable large-scale MoE training.
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
MoonshotAI: Kimi K2 0711, a large-scale Mixture-of-Experts (MoE) model with 1 trillion total parameters, demonstrates a balanced performance profile across various benchmarks. Its speed performance is competitive, ranking in the 43rd percentile, indicating it performs among a significant portion of models. Pricing is also competitive, placing in the 45th percentile. A standout feature is its exceptional reliability, achieving a 100% success rate across all 10 benchmarks, signifying consistent and usable responses without technical failures. The model exhibits strong capabilities in instruction following, achieving perfect accuracy in one instance and ranking 1st in accuracy and speed, and 90th percentile in another. It also excels in ethics (100% accuracy) and mathematics (95% accuracy, 95th percentile). General knowledge and coding are also strong suits, with 99.5% and 93% accuracy respectively. While its hallucination rate is 94% accurate (48th percentile), suggesting room for improvement in acknowledging uncertainty, its reasoning capabilities are solid at 86% accuracy (76th percentile). Keyword topic relevance classification is a relative weakness at 90% accuracy (39th percentile). Overall, Kimi K2 0711 is a robust model, particularly strong in agentic tasks, with high reliability and competitive speed and cost.
Model Pricing
Current Pricing
Feature | Price (per 1M tokens) |
---|---|
Prompt | $0.14 |
Completion | $2.49 |
Price History
Available Endpoints
Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
---|---|---|---|---|
Novita
|
Novita | moonshotai/kimi-k2 | 131K | $0.14 / 1M tokens | $2.49 / 1M tokens |
Parasail
|
Parasail | moonshotai/kimi-k2 | 262K | $0.55 / 1M tokens | $2.99 / 1M tokens |
Targon
|
Targon | moonshotai/kimi-k2 | 63K | $0.14 / 1M tokens | $2.49 / 1M tokens |
Moonshot AI
|
Moonshot AI | moonshotai/kimi-k2 | 131K | $0.14 / 1M tokens | $2.49 / 1M tokens |
Novita
|
Novita | moonshotai/kimi-k2 | 131K | $0.57 / 1M tokens | $2.3 / 1M tokens |
Together
|
Together | moonshotai/kimi-k2 | 131K | $1 / 1M tokens | $3 / 1M tokens |
DeepInfra
|
DeepInfra | moonshotai/kimi-k2 | 120K | $0.14 / 1M tokens | $2.49 / 1M tokens |
Groq
|
Groq | moonshotai/kimi-k2 | 131K | $1 / 1M tokens | $3 / 1M tokens |
BaseTen
|
BaseTen | moonshotai/kimi-k2 | 131K | $0.6 / 1M tokens | $2.5 / 1M tokens |
Chutes
|
Chutes | moonshotai/kimi-k2 | 131K | $0.14 / 1M tokens | $2.49 / 1M tokens |
BaseTen
|
BaseTen | moonshotai/kimi-k2 | 131K | $0.14 / 1M tokens | $2.49 / 1M tokens |
DeepInfra
|
DeepInfra | moonshotai/kimi-k2 | 131K | $0.55 / 1M tokens | $2.2 / 1M tokens |
GMICloud
|
GMICloud | moonshotai/kimi-k2 | 131K | $0.14 / 1M tokens | $2.49 / 1M tokens |
Moonshot AI
|
Moonshot AI | moonshotai/kimi-k2 | 131K | $0.6 / 1M tokens | $2.5 / 1M tokens |
Fireworks
|
Fireworks | moonshotai/kimi-k2 | 131K | $0.6 / 1M tokens | $2.5 / 1M tokens |
Chutes
|
Chutes | moonshotai/kimi-k2 | 131K | $0.14 / 1M tokens | $2.49 / 1M tokens |
AtlasCloud
|
AtlasCloud | moonshotai/kimi-k2 | 131K | $0.7 / 1M tokens | $2.5 / 1M tokens |
Nebius
|
Nebius | moonshotai/kimi-k2 | 131K | $0.5 / 1M tokens | $2.4 / 1M tokens |
SiliconFlow
|
SiliconFlow | moonshotai/kimi-k2 | 131K | $0.14 / 1M tokens | $2.49 / 1M tokens |
Benchmark Results
Benchmark | Category | Reasoning | Strategy | Free | Executions | Accuracy | Cost | Duration |
---|
Other Models by moonshotai
|
Released | Params | Context |
|
Speed | Ability | Cost |
---|---|---|---|---|---|---|---|
MoonshotAI: Kimi K2 0905 | Sep 04, 2025 | ~32B | 262K |
Text input
Text output
|
★ | ★★★ | $$$$ |
MoonshotAI: Kimi Dev 72B | Jun 16, 2025 | 72B | 131K |
Text input
Text output
|
★ | ★★ | $$$$ |
MoonshotAI: Kimi VL A3B Thinking | Apr 10, 2025 | 3B | 131K |
Text input
Image input
Text output
|
★ | ★ | $$$ |