LiteLLMModels

Kimi K3.1 Pro API Pricing

By Moonshot AI · 1 provideropencode_go/kimi-k3.1-proCompare
Input / output
$2.00 / $10.00 per 1M tokens
Cache read
$0.20 / 1M
Context
1M tokens
Max output
128K tokens
Added

As of October 25, 2026, Kimi K3.1 Pro costs $2.00 per 1M input tokens and $10.00 per 1M output tokens on Opencode GO, with cache reads at $0.20 and cache writes at $2.00 per 1M tokens. It has a 1,048,576-token context window and returns up to 131,072 tokens per response.

Prices updated Checked

Kimi K3.1 Pro pricing by provider

1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

Kimi K3.1 Pro prices by provider in US dollars, token prices per 1M tokens, as of October 25, 2026. Source: LiteLLM model price file.
ProviderModel name in LiteLLMInputOutputCache readCache writeContext
Opencode GOopencode_go/kimi-k3.1-pro$2.00$10.00$0.20$2.001M

What Kimi K3.1 Pro costs in practice

1,000 requests with 2,000 input and 500 output tokens each

Opencode GO$9.00

100 long-document requests with 100,000 input and 2,000 output tokens each

Opencode GO$22.00

Kimi K3.1 Pro cost calculator

At Opencode GO's price ($2.00 input, $10.00 output per 1M tokens), 10,000 requests a day with 1,000 input and 500 output tokens each cost $70.00 a day, about $2,100 a month. Change the numbers for your workload, or compare it with other models.

Per request
$0.007
Per day
$70.00
Per month (30 days)
$2,100

Kimi K3.1 Pro features

Input: text, image. Output: text.

Use Kimi K3.1 Pro with LiteLLM

Call Kimi K3.1 Pro through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.

Python SDK
from litellm import completion

response = completion(
    model="opencode_go/kimi-k3.1-pro",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: kimi-k3.1-pro
    litellm_params:
      model: opencode_go/kimi-k3.1-pro
      # credentials: see the provider's LiteLLM docs page
Call the proxy
curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $LITELLM_API_KEY" \
  -d '{
    "model": "kimi-k3.1-pro",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Kimi K3.1 Pro FAQ

How much does Kimi K3.1 Pro cost?

Kimi K3.1 Pro costs $2.00 per 1M input tokens and $10.00 per 1M output tokens on Opencode GO, with cache reads at $0.20 and cache writes at $2.00 per 1M tokens.

What is the context window of Kimi K3.1 Pro?

Kimi K3.1 Pro has a 1,048,576-token context window and returns up to 131,072 tokens per response.

Which providers offer Kimi K3.1 Pro?

Kimi K3.1 Pro is available from Opencode GO through LiteLLM, using the model name opencode_go/kimi-k3.1-pro.

How do I call Kimi K3.1 Pro with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="opencode_go/kimi-k3.1-pro", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

What features does Kimi K3.1 Pro support?

Kimi K3.1 Pro supports function calling, image input and reasoning.

When did LiteLLM add Kimi K3.1 Pro?

Kimi K3.1 Pro was added to LiteLLM's model price file on October 24, 2026.

Sources

Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Maintainers update it from each provider's published pricing, and this page is usually rebuilt within 20 minutes of every change. Provider pricing pages:

Provider pages: Opencode GO.