Kimi K2 0905
MoonshotAI Kimi K2 0905 — pricing, 262k context window, API cost calculator and alternatives.
By MoonshotAI
Specs
- Provider
- MoonshotAI
- Slug
- moonshotai/kimi-k2-0905
- Capabilities
- tools, json_mode
Pricing freshness
- Tier
- standard
- Currency
- USD
- As of
- 2026-05-14 00:17 UTC
Pricing history
2 data points · since 2026-05-08Quickstart — call Kimi K2 0905 from your app
curl https://openrouter.ai/api/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-d '{
"model": "moonshotai/kimi-k2-0905",
"messages": [{"role": "user", "content": "Hello!"}]
}'Official docs: https://openrouter.ai/docs
# pip install openai
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key=os.environ["OPENROUTER_API_KEY"],
)
resp = client.chat.completions.create(
model="moonshotai/kimi-k2-0905",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Official docs: https://openrouter.ai/docs
// npm install openai
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const resp = await client.chat.completions.create({
model: "moonshotai/kimi-k2-0905",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(resp.choices[0].message.content);Official docs: https://openrouter.ai/docs
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Frequently asked questions
What is Kimi K2 0905?
Kimi K2 0905 is a large language model API from MoonshotAI with a 262k-token context window. It costs $0.6 per 1M input tokens and $2.5 per 1M output tokens.
How much does Kimi K2 0905 cost?
Kimi K2 0905 is priced at $0.6 per 1M input tokens and $2.5 per 1M output tokens via the MoonshotAI API. A 50/50 input/output workload of 1M total tokens costs about $1.55.
What is the context window of Kimi K2 0905?
Kimi K2 0905 supports up to 262k tokens of context per request — roughly 524 pages of English text or 32768 lines of code at a typical density.
Does Kimi K2 0905 support vision, tool use, or JSON mode?
Kimi K2 0905 supports tool/function calling and structured JSON mode. It does not support image input (vision).
Who makes Kimi K2 0905?
Kimi K2 0905 is built and operated by MoonshotAI. Pricing, context window, and capabilities on this page are refreshed nightly from MoonshotAI's public catalog.
Can I self-host Kimi K2 0905?
Kimi K2 0905 is API-only — its weights are not publicly distributed by MoonshotAI, so it cannot be self-hosted today.