MoonshotAI: Kimi K2 0905
The MoonshotAI Kimi K2 0905 is a text-based AI model that can handle context lengths of up to 262144 tokens and supports tool integration. It does not possess reasoning capabilities or output structured data. This model's price point may be worth considering for organizations requiring text input tools, as it offers a relatively affordable input token rate of $0.6 per million tokens. However, its blended benchmark score of 23.2 across one independent benchmark indicates that it lags behind other models in this area; further evaluation is necessary to determine if the MoonshotAI Kimi K2 0905's strengths justify its cost.
Benchmark results
Independent, published benchmarks. Blended score 23.2 across 1 benchmark, last refreshed 2026-09-10. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 25.2 |
- Model ID
- moonshotai/kimi-k2-0905
- Vendor
- moonshotai
- Released
- September 2025
- Tokenizer
- Other
- Input Modalities
- text
- Output Modalities
- text
- Max Output
- 100,352 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- not supported
- Vision
- text only
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.60/M input and $2.50/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.02 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.42 |
| A month of a busy support chatbot | 5M in / 2M out | $8.00 |
Similar models
MoonshotAI: Kimi K2 Thinking
MoonshotAI: Kimi K3
MoonshotAI: Kimi K3 (batch)
MoonshotAI: Kimi K2.7 Code
MoonshotAI: Kimi K2.6
MoonshotAI: Kimi K2.5
Quick answers
- How much does MoonshotAI: Kimi K2 0905 cost?
- $0.60 per million input tokens and $2.50 per million output tokens.
- What is MoonshotAI: Kimi K2 0905's context window?
- 262,144 tokens, roughly 393 pages of text in a single request.
- Does MoonshotAI: Kimi K2 0905 support tool calling?
- It supports tool calling, structured output.
- Can MoonshotAI: Kimi K2 0905 process images?
- No, it is text-only on the input side.