Moonshot · 1.0M context

Kimi K3.1 Pro API

Chat with Kimi K3.1 Pro

Use Kimi K3.1 Pro in the Synaps chat or through one OpenAI-compatible API key. Pay per message from a balance you top up with ETH or USDC. No subscription, no card.

No trainingReads imagesAccepts video
Input / 1M tokens$2.40list $2.00
Output / 1M tokens$12.00list $10.00
Typical message≈ $0.00961.5K in · 500 out
Context window1.0Mtokens

Prices include the 20% Synaps fee and update automatically. “List” is what the provider charges.

Call Kimi K3.1 Pro from code

Synaps speaks the OpenAI Chat Completions format. Point any OpenAI SDK at Synaps and set model to moonshotai/kimi-k3.1-pro.

cURL
curl https://www.synaps.chat/api/v1/chat/completions \
  -H "Authorization: Bearer $SYNAPS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "moonshotai/kimi-k3.1-pro",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'
Python
from openai import OpenAI

client = OpenAI(base_url="https://www.synaps.chat/api/v1", api_key="syn_...")

reply = client.chat.completions.create(
    model="moonshotai/kimi-k3.1-pro",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)

Quickstart · API reference · Create an API key

Privacy

Synaps routes this model only to providers that don't store or train on your prompts.

Questions

How much does Kimi K3.1 Pro cost on Synaps?

$2.40 per million input tokens and $12.00 per million output tokens, including the 20% Synaps fee. A typical chat message costs about $0.0096. You only pay for what you use.

Can I pay for Kimi K3.1 Pro with crypto?

Yes. Top up your Synaps balance with ETH on Robinhood Chain or Base, or USDC on Base, from $1. Each message is deducted from that balance. There is no subscription or card.

Is there a Kimi K3.1 Pro API?

Yes. Create an API key on Synaps and call moonshotai/kimi-k3.1-pro through the OpenAI-compatible endpoint https://www.synaps.chat/api/v1/chat/completions. Any OpenAI SDK works by changing the base URL.

What can Kimi K3.1 Pro do?

It accepts text, image, video and produces text, with a context window of 1.0M tokens. You can attach photos in the chat.

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