Kimi K3 (Alibaba) API

Alibaba · serves kimi-k3

Pricing

Input / 1M	$3.45
Output / 1M	$17.25
Blended / 1M	$20.7
Cached input / 1M	$0.34
Context window	1,048,576 tokens
Max output	943,718 tokens
License	Open weights · Modified MIT conditional
Knowledge cutoff	April 2026 · source
Intelligence index	59.7 Artificial Analysis Intelligence Index · source

textvisionfunction-calling

Price verified 2026-09-05 (0 days ago) · sourcecorroborated

Sources

Source	Input / 1M	Output / 1M	Verified
OpenRouter	$3.45	$17.25	2026-09-05
LiteLLM	$3.00	$15.00	2026-09-03
models.dev	$3.30	$16.50	2026-09-04

Two independent sources agree within 20%.

Cheaper providers for kimi-k3

Provider	Blended / 1M	Endpoint
DeepInfra	$17.1	view →
DigitalOcean	$17.1	view →
Phala	$18	view →

Compare all 12 providers serving kimi-k3 →

Call it

Served via OpenRouter, pinned to Alibaba — the provider these prices are resolved from. Set OPENROUTER_API_KEY. Provider page.

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "moonshotai/kimi-k3",
    "messages": [{"role": "user", "content": "Hello"}],
    "provider": {"only": ["Alibaba"], "allow_fallbacks": false}
  }'

from openai import OpenAI  # pip install openai

client = OpenAI(
    base_url="https://openrouter.ai/api/v1",
    api_key="...",  # OPENROUTER_API_KEY
)
resp = client.chat.completions.create(
    model="moonshotai/kimi-k3",
    messages=[{"role": "user", "content": "Hello"}],
    extra_body={"provider": {"only": ["Alibaba"], "allow_fallbacks": false}},
)
print(resp.choices[0].message.content)

Price unchanged since 2026-09-03 — 1 point on record.

Use this data

Raw JSON for this page: kimi-k3.json. Free to reuse under CC BY 4.0 with attribution to apipriceindex.com.