CodeBuddy

Kimi K3 1 Pro API

Kimi K3 1 Pro on AtmoRouter — from $0.035 per million input tokens, from $0.175 per million output tokens on a 1M context, through one OpenAI-compatible key.

Input · per Mtok

From $0.035

$2.00 official

Output · per Mtok

From $0.175

$10.00 official

Off official

98.3%

Context

1M

up to 32K output

33 price tiers

Final prices in USD per million tokens. Each tier is compared with official input and output prices.

InputOutputOffers
$0.03598.2% off official$0.17598.2% off official85
$0.0498% off official$0.298% off official2774
$0.04597.7% off official$0.22597.7% off official5414
$0.0597.5% off official$0.2597.5% off official179
$0.05597.2% off official$0.27597.2% off official1
$0.06596.7% off official$0.32596.7% off official1
$0.0796.5% off official$0.3596.5% off official1
$0.07596.2% off official$0.37596.2% off official1609
$0.08595.7% off official$0.42595.7% off official2
$0.0995.5% off official$0.4595.5% off official2
$0.09595.2% off official$0.47595.2% off official1
$0.195% off official$0.595% off official10
$0.1592.5% off official$0.7592.5% off official3
$0.15592.2% off official$0.77592.2% off official5
$0.16591.7% off official$0.82591.7% off official1
$0.17591.2% off official$0.87591.2% off official1
$0.290% off official$190% off official3623
$0.2289% off official$1.189% off official1
$0.2488% off official$1.288% off official10
$0.2587.5% off official$1.2587.5% off official6
$0.28585.7% off official$1.42585.7% off official1
$0.3184.5% off official$1.5584.5% off official1
$0.37581.2% off official$1.87581.2% off official11
$0.575% off official$2.575% off official1557
$0.58570.7% off official$2.92570.7% off official1
$0.7562.5% off official$3.7562.5% off official1
$0.8557.5% off official$4.2557.5% off official2
$0.9453% off official$4.753% off official38
$1.24537.7% off official$6.22537.7% off official1
$1.525% off official$7.525% off official1
$20% off official$100% off official5
$2.46523.2% above official$12.32523.2% above official8
$2.525% above official$12.525% above official11772

Offer counts are a snapshot and do not guarantee available capacity.

Updated

Prices vary by available offers. Requests can use any listed tier by default. Set maximum input and output prices in Budgets to limit routing.

Model id

cb/kimi-k3.1-pro

Use this exact id in API calls.

Modality

text,image

Prompt caching supported — cached input $0.0035/Mtok.

Protocols

OpenAI Chat Completions

Anthropic Messages endpoint also available for every model.

Call Kimi K3 1 Pro

curl

curl https://atmorouter.dev/v1/chat/completions \
  -H "Authorization: Bearer ar-xxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "cb/kimi-k3.1-pro",
    "messages": [{"role": "user", "content": "Say hello in one word."}]
  }'

Python (OpenAI SDK)

from openai import OpenAI

client = OpenAI(
    base_url="https://atmorouter.dev/v1",
    api_key="ar-xxxxxxxxxxxx",
)

resp = client.chat.completions.create(
    model="cb/kimi-k3.1-pro",
    messages=[{"role": "user", "content": "Say hello in one word."}],
)
print(resp.choices[0].message.content)

Works with anything OpenAI-compatible — Cursor, Cline, LangChain and more. See the cookbook configs at github.com/Micolaabdi/atmorouter-cookbook and the docs for the Anthropic Messages endpoint.

Questions about Kimi K3 1 Pro

How much does Kimi K3 1 Pro cost per million tokens?

AtmoRouter prices start from $0.035 per million input tokens and from $0.175 per million output tokens. The provider's official list rate is $2.00 / $10.00 — AtmoRouter is 98.3% below it.

Does Kimi K3 1 Pro support streaming?

Yes — server-sent events on the OpenAI-compatible endpoint, and the Anthropic Messages endpoint streams natively.

Is there a subscription or minimum spend?

No subscription or minimum commitment. Billing uses the selected offer’s rates, and a minimum request charge applies. See Budgets for the current minimum.

Build with AtmoRouter.