Guide
Kimi K2.5 API: Moonshot's Agentic AI Model (256K Context)
April 16, 2026 · 4 min read
Kimi K2.5 from Moonshot AI is designed for agentic tasks — multi-step reasoning, tool use, and complex workflows. With a 256K context window and competitive pricing, it's a strong choice for AI agent builders.
Kimi K2.5 Specs
| Feature | Value |
|---|---|
| Context Window | 256K tokens |
| Input Price | $0.24/M tokens |
| Output Price | $1.20/M tokens |
| Best For | Agentic tasks, multi-step reasoning |
| Provider | Moonshot AI (China) |
Quick Start
from openai import OpenAI
client = OpenAI(base_url="https://api.aipower.me/v1", api_key="YOUR_KEY")
response = client.chat.completions.create(
model="moonshot/kimi-k2.5",
messages=[
{"role": "system", "content": "You are an AI agent. Break tasks into steps."},
{"role": "user", "content": "Research and summarize the latest AI news"},
],
)
print(response.choices[0].message.content)Kimi vs Other Agentic Models
| Model | Context | Price (in/out) | Agentic Score |
|---|---|---|---|
| Kimi K2.5 | 256K | $0.24/$1.20 | Strong |
| Claude Opus | 200K | $7.50/$37.50 | Best |
| GPT-5 | 272K | $3.75/$22.50 | Strong |
Kimi K2.5 offers 80-97% cost savings vs Claude Opus/GPT-5 for agentic workflows.
Try it with 10 free API calls at aipower.me.
GET STARTED WITH AIPOWER
16 AI models. One API. OpenAI SDK compatible.
Who should use AIPower?
- • Developers needing both Chinese and Western AI models
- • Chinese teams that can't access OpenAI / Anthropic directly
- • Startups wanting multi-model redundancy through one API
- • Anyone tired of paying grey-market intermediary premiums
3 steps to first API call
- Sign up — email only, 10 free trial calls, no card
- Copy your API key from the dashboard
- Change
base_urlin your OpenAI SDK → done
from openai import OpenAI
client = OpenAI(
base_url="https://api.aipower.me/v1", # ← only change
api_key="sk-your-aipower-key",
)
response = client.chat.completions.create(
model="auto-cheap", # or anthropic/claude-opus, deepseek/deepseek-chat, openai/gpt-5, etc.
messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)+100 bonus calls on first $5 top-up · WeChat Pay + Alipay + card accepted · docs · security