MoonshotAI: Kimi K2 0905
The MoonshotAI Kimi K2 0905 is designed for handling text inputs within a context length of 262,144 tokens and can process up to 100,352 completion tokens. It supports tools integration but lacks reasoning capabilities or structured output formats. This model should be considered by users requiring extensive input processing and tool interaction at a reasonable cost. With pricing at $0.6 per million input tokens and $2.5 per million output tokens, it offers competitive value for its benchmark blended score of 38.5 across one independent evaluation. While the performance is solid, it may not be the best choice if detailed reasoning or structured outputs are critical needs.
Benchmark results
Independent, published benchmarks. Blended score 38.5 across 1 benchmark, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 39.5 |
- 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 |
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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.