Author's Description
Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32...
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
MoonshotAI's Kimi K2 0905, an update to the Kimi K2 0711 MoE model, demonstrates exceptional reliability with a 100% success rate across all benchmarks, indicating consistent and stable operation. Its speed performance is moderate, ranking in the 31st percentile, while its pricing is also moderate, placing it in the 40th percentile. The model exhibits perfect accuracy in Hallucinations (Baseline), effectively acknowledging uncertainty, and strong performance in Email Classification (99.0% accuracy) and Instruction Following (72.0% accuracy). These results align with its described improvements in agentic coding and frontend coding, suggesting robust understanding and execution of structured tasks. Its performance in Coding (87.0% accuracy) and Reasoning (78.0% accuracy) is solid, placing it around the 55th and 57th percentiles respectively. However, the model shows weaknesses in General Knowledge (77.0% accuracy, 20th percentile), Ethics (80.0% accuracy, 17th percentile), and Mathematics (53.0% accuracy, 20th percentile), where its accuracy falls into the lower percentiles. Kimi K2 0905's strengths lie in its reliability and specialized capabilities for agentic tasks, while general knowledge and complex ethical/mathematical reasoning present areas for future enhancement.
Model Pricing
Current Pricing
| Feature | Price (per 1M tokens) |
|---|---|
| Prompt | $0.4 |
| Completion | $2 |
Price History
Available Endpoints
| Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
|---|---|---|---|---|
|
Moonshot AI
|
Moonshot AI | moonshotai/kimi-k2-0905 | 262K | $0.4 / 1M tokens | $2 / 1M tokens |
|
Moonshot AI
|
Moonshot AI | moonshotai/kimi-k2-0905 | 262K | $0.4 / 1M tokens | $2 / 1M tokens |
|
Together
|
Together | moonshotai/kimi-k2-0905 | 262K | $0.4 / 1M tokens | $2 / 1M tokens |
|
Fireworks
|
Fireworks | moonshotai/kimi-k2-0905 | 262K | $0.4 / 1M tokens | $2 / 1M tokens |
|
Groq
|
Groq | moonshotai/kimi-k2-0905 | 262K | $1 / 1M tokens | $3 / 1M tokens |
|
Novita
|
Novita | moonshotai/kimi-k2-0905 | 262K | $0.6 / 1M tokens | $2.5 / 1M tokens |
|
Chutes
|
Chutes | moonshotai/kimi-k2-0905 | 262K | $0.4 / 1M tokens | $2 / 1M tokens |
|
Parasail
|
Parasail | moonshotai/kimi-k2-0905 | 262K | $0.4 / 1M tokens | $2 / 1M tokens |
|
BaseTen
|
BaseTen | moonshotai/kimi-k2-0905 | 262K | $0.4 / 1M tokens | $2 / 1M tokens |
|
AtlasCloud
|
AtlasCloud | moonshotai/kimi-k2-0905 | 262K | $0.6 / 1M tokens | $2.5 / 1M tokens |
|
SiliconFlow
|
SiliconFlow | moonshotai/kimi-k2-0905 | 262K | $0.4 / 1M tokens | $2 / 1M tokens |
|
DeepInfra
|
DeepInfra | moonshotai/kimi-k2-0905 | 131K | $0.4 / 1M tokens | $2 / 1M tokens |
|
GMICloud
|
GMICloud | moonshotai/kimi-k2-0905 | 262K | $0.4 / 1M tokens | $2 / 1M tokens |
|
WandB
|
WandB | moonshotai/kimi-k2-0905 | 128K | $0.4 / 1M tokens | $2 / 1M tokens |
|
BytePlus
|
BytePlus | moonshotai/kimi-k2-0905 | 256K | $0.4 / 1M tokens | $2 / 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 K2.6 Unavailable | Apr 20, 2026 | — | 262K |
Image input
Text input
Text output
|
★ | ★★★★★ | $$$$$ |
| MoonshotAI: Kimi K2.6 | Apr 20, 2026 | — | 262K |
Image input
Text input
Text output
|
★ | ★★★★★ | $$$$$ |
| MoonshotAI: Kimi K2.5 | Jan 26, 2026 | — | 262K |
Image input
Text input
Text output
|
★ | ★★★★★ | $$$$$ |
| MoonshotAI: Kimi Linear 48B A3B Instruct Unavailable | Nov 07, 2025 | 48B | 1M |
Text input
Text output
|
★★★★ | ★★ | $$$ |
| MoonshotAI: Kimi Linear 48B A3B Instruct Unavailable | Nov 07, 2025 | 48B | 1M |
Text input
Text output
|
— | ★ | $$$$ |
| MoonshotAI: Kimi K2 Thinking | Nov 06, 2025 | ~1T | 262K |
Text input
Text output
|
★ | ★★★★★ | $$$$$ |
| MoonshotAI: Kimi K2 0905 (exacto) Unavailable | Sep 04, 2025 | ~1T | 262K |
Text input
Text output
|
— | — | $$$$$ |
| MoonshotAI: Kimi K2 0711 | Jul 11, 2025 | ~1T | 131K |
Text input
Text output
|
★★★★ | ★★★★★ | $$ |
| MoonshotAI: Kimi Dev 72B Unavailable | Jun 16, 2025 | 72B | 131K |
Text input
Text output
|
★ | ★★ | $$$$ |
| MoonshotAI: Kimi VL A3B Thinking Unavailable | Apr 10, 2025 | 3B | 131K |
Image input
Text input
Text output
|
★★ | ★ | $$ |