> ## Documentation Index
> Fetch the complete documentation index at: https://docs.venice.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Kimi K3.1 Pro API

> Kimi K3.1 Pro API on Venice: 1M context, $2.00 input and $10.00 output per 1M tokens. Private, with zero data retention. Pricing, specs and code examples.

> [accordion] Plain-text specification
>
> ## Kimi K3.1 Pro API
>
> Kimi K3.1 Pro is a large language model by Moonshot AI, available on the Venice API as `kimi-k3-1-pro`. It runs privately, with zero data retention.
>
> Kimi K3.1 Pro is Moonshot AI's flagship multimodal reasoning model and the post-trained successor to Kimi K3, with a 1M-token context window. It is built for long-horizon coding, agentic workflows, financial research, and 3D modeling through CAD code.
>
> ### Kimi K3.1 Pro API pricing
>
> | Model ID | Variant | Privacy | Price |
> | - | - | - | - |
> | `kimi-k3-1-pro` | Standard | Private | $2.00 / $10.00 per 1M |
>
> ### Kimi K3.1 Pro specifications
>
> | Spec | Value |
> | - | - |
> | Provider | Moonshot AI |
> | Released | Oct 23, 2026 |
> | Privacy | Private |
> | Status | Stable |
> | Context window | 1M tokens |
> | Max output | 128K tokens |
> | Reasoning effort | none, low, high, max |
>
> ### How to use the Kimi K3.1 Pro API
>
> Send requests to `POST https://api.venice.ai/api/v1/chat/completions` with `"model": "kimi-k3-1-pro"` and your API key.
>
> ```bash theme={"system"}
> curl https://api.venice.ai/api/v1/chat/completions \
>   -H "Authorization: Bearer $VENICE_API_KEY" \
>   -H "Content-Type: application/json" \
>   -d '{
>     "model": "kimi-k3-1-pro",
>     "messages": [{ "role": "user", "content": "Explain TEE attestation in two sentences." }],
>     "reasoning_effort": "max"
>   }'
> ```
>
> ### Related models
>
> * [GPT-6.1 Sol API](https://docs.venice.ai/models/gpt-6-1-sol.md): $2.00 / $10.00 per 1M
> * [Claude Sonnet 5.5 API](https://docs.venice.ai/models/claude-sonnet-5-5.md): $2.00 / $10.00 per 1M
> * [GPT-6 Sol API](https://docs.venice.ai/models/gpt-6-sol.md): $2.00 / $10.00 per 1M
> * [Claude Sonnet 5 API](https://docs.venice.ai/models/claude-sonnet-5.md): $2.00 / $10.00 per 1M


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