MoonshotAI: Kimi K2 Thinking
The Kimi K2 Thinking AI from MoonshotAI is designed for text-based input modalities and has a context length of 262144 tokens. It supports tools and reasoning tasks. For users who require robust text analysis capabilities at a moderate price point, the Kimi K2 Thinking model may be worth considering. Its blended benchmark score of 54.6 across one independent benchmark suggests decent performance in specific use cases. However, it comes with a higher output token cost compared to other models, which could offset its suitability for heavy usage scenarios.
Benchmark results
Independent, published benchmarks. Blended score 54.6 across 1 benchmark, last refreshed 2026-09-04. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 55.3 |
- Model ID
- moonshotai/kimi-k2-thinking
- Vendor
- moonshotai
- Released
- November 2025
- Tokenizer
- Other
- Input Modalities
- text
- Output Modalities
- text
- Max Output
- 100,352 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ 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 K3
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MoonshotAI: Kimi K2.6
MoonshotAI: Kimi K2.5
MoonshotAI: Kimi K2 0905
Quick answers
- How much does MoonshotAI: Kimi K2 Thinking cost?
- $0.60 per million input tokens and $2.50 per million output tokens.
- What is MoonshotAI: Kimi K2 Thinking's context window?
- 262,144 tokens, roughly 393 pages of text in a single request.
- Does MoonshotAI: Kimi K2 Thinking support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can MoonshotAI: Kimi K2 Thinking process images?
- No, it is text-only on the input side.