Moonshot AIKimi K2.5Jan 27, 2026
Kimi K2.5
Kimi K2.5 is Moonshot AI's native multimodal model, delivering state-of-the-art visual coding capability and a self-directed agent swarm paradigm. Built on Kimi K2 with continued pretraining over approximately 15T mixed visual and text tokens, it delivers strong performance in general reasoning, visual coding, and agentic tool-calling.
Context Window
262K
tokens
Max Output
262K
tokens
Released
Jan 27, 2026
Arena Rank
—
Capabilities
👁Vision
🧠Reasoning
🔧Tool Calling
⚡Prompt Caching
🖥Computer Use
🎨Image Generation
Supported Parameters
Frequency Penalty
Reduce repetition
Include Reasoning
Show reasoning tokens
Logit Bias
Adjust token weights
Log Probs
Token probabilities
Max Tokens
Output length limit
min_p
parallel_tool_calls
Presence Penalty
Encourage new topics
Reasoning
Extended thinking
reasoning_effort
Repetition Penalty
Penalize repeated tokens
Response Format
JSON mode / structured output
Seed
Deterministic outputs
Stop Sequences
Custom stop tokens
structured_outputs
Temperature
Controls randomness
Tool Choice
Control tool usage
Tool Calling
Function calling support
Top K
Top-K sampling
top_logprobs
Top P
Nucleus sampling
Pricing Comparison
| Router | Input / 1M | Output / 1M | Cached Input / 1M |
|---|---|---|---|
| Requesty★ | $0.60 | $3.00 | $0.10 |
| OpenRouter | $0.45 | $2.25 | $0.07 |
| Vercel AI | $0.50 | $2.80 | — |
Model IDs
Tags
visionreasoningtool-callingcaching
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