Moonshot AI Kimi K2.5 inference overview

Price per 1M tokens

$0.50 (input)
$2.85 (output)

Parameters

32B (active)
1T (total)

Context Window

262K

Release Date

Jan 2026

Moonshot AI Kimi K2.5 inference details

Kimi K2.5 is a multimodal Mixture-of-Experts language model featuring 32 billion activated parameters and a total of 1 trillion parameters. It has been optimized for agentic use cases and excels at reasoning and coding tasks.

Created by: 

Moonshot AI

License: 

other

Model card: 

				
					import openai
import weave

# Weave autopatches OpenAI to log LLM calls to W&B
weave.init("<team>/<project>")

client = openai.OpenAI(
    # The custom base URL points to W&B Inference
    base_url='https://api.inference.wandb.ai/v1',

    # Get your API key from https://wandb.ai/authorize
    # Consider setting it in the environment as OPENAI_API_KEY instead for safety
    api_key="<your-apikey>",

    # Optional: Team and project for usage tracking
    project="<team>/<project>",
)

response = client.chat.completions.create(
    model="moonshotai/Kimi-K2.5",
    messages=[
        {"role": "system", "content": "You are a helpful assistant."},
        {"role": "user", "content": "Tell me a joke."}
    ],
)

print(response.choices[0].message.content)
				
			

Moonshot AI Kimi K2.5 resources

Screenshot 2025-07-30 at 8.05.53 AM
Guide
Kimi K2 for code generation tutorial
Screenshot 2025-07-30 at 1.03.14 PM
Course
AI engineering course: Agents
Inference_logo
Guide
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