MoonshotAI: Kimi K2.5
MoonshotAI's Kimi K2.5 is designed for handling both text and image inputs with a substantial context length of 262144 tokens, allowing it to maintain coherence in lengthy conversations or tasks. The model supports reasoning and can work with tools, making it versatile for complex problem-solving scenarios. For users looking for a reliable performer at a moderate price point-pricing is $0.57 per million input tokens and $2.85 per million output tokens-the Kimi K2.5 stands out with its blended benchmark score of 73.3 across two independent evaluations, making it a solid choice despite the lack of structured output support in benchmarks.
Benchmark results
Independent, published benchmarks. Blended score 64.7 across 4 benchmarks, last refreshed 2026-07-27. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 58.4 |
| AI Index Coding | software engineering tasks | 77.2 |
| AI Index Agentic | multi-step tool-using tasks | 35.8 |
| EQ-Bench | emotional understanding in dialogue | 72.5 |
- Model ID
- moonshotai/kimi-k2.5
- Vendor
- moonshotai
- Released
- January 2026
- Tokenizer
- Other
- Input Modalities
- text, image
- Output Modalities
- text
- Max Output
- 262,144 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.57/M input and $2.85/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 | $0.43 |
| A month of a busy support chatbot | 5M in / 2M out | $8.55 |
Category rankings
Where MoonshotAI: Kimi K2.5 places across the 26 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #6 | Short-Form SummarizationWriting · of 25 ranked | 130 |
| #6 | Email DraftingWriting · of 25 ranked | 126 |
| #6 | Language LearningEducation · of 25 ranked | 126 |
| #6 | Chat CompanionPersonal · of 25 ranked | 130 |
| #6 | Trivia & General KnowledgePersonal · of 25 ranked | 120 |
| #10 | Image CaptioningVision · of 25 ranked | 120 |
| #13 | Sales / Cold EmailBusiness · of 25 ranked | 122 |
| #13 | Job Application DraftingBusiness · of 25 ranked | 122 |
| #13 | Journaling HelperPersonal · of 25 ranked | 122 |
| #13 | Recipe GenerationPersonal · of 25 ranked | 122 |
| #17 | Resume WritingBusiness · of 25 ranked | 116 |
| #18 | JSON ExtractionData · of 25 ranked | 144 |
| #19 | Regex WritingCode · of 25 ranked | 133 |
| #19 | Marketing CopyWriting · of 25 ranked | 127 |
| #19 | Language TranslationWriting · of 25 ranked | 133 |
| #19 | Standardized Test PrepEducation · of 25 ranked | 127 |
| #19 | Tutoring for KidsPersonal · of 25 ranked | 133 |
| #19 | Dataset AnnotationResearch · of 25 ranked | 141 |
| #20 | Customer SupportBusiness · of 25 ranked | 131 |
| #21 | Frontend Component DesignCode · of 25 ranked | 141 |
| #21 | Screenshot DebuggingVision · of 25 ranked | 138 |
| #22 | Chart & Graph ReadingVision · of 25 ranked | 146 |
| #23 | Bulk Data LabelingData · of 25 ranked | 133 |
| #23 | Blog Post WritingWriting · of 25 ranked | 136 |
| #23 | Trip PlanningPersonal · of 25 ranked | 136 |
| #25 | Diagram ExtractionVision · of 25 ranked | 144 |
Similar models
MoonshotAI: Kimi K2.7 Code
MoonshotAI: Kimi K2.6
MoonshotAI: Kimi K2 Thinking
MoonshotAI: Kimi K3
MoonshotAI: Kimi K2 0905
MoonshotAI: Kimi K2 0711
Quick answers
- How much does MoonshotAI: Kimi K2.5 cost?
- $0.57 per million input tokens and $2.85 per million output tokens.
- What is MoonshotAI: Kimi K2.5's context window?
- 262,144 tokens, roughly 393 pages of text in a single request.
- Does MoonshotAI: Kimi K2.5 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can MoonshotAI: Kimi K2.5 process images?
- Yes, it accepts image input.