Kimi K3.1 Pro API
NewLLMKimi K3.1 Pro is Moonshot AI's flagship 1M-context route, with image input, tool use, and a lower rate card than K3.
- Input · USD / 1M tokens$0.45 USDOfficial price
$2.25 USD - Output · USD / 1M tokens$2.2 USDOfficial price
$11 USD - Savings80%
- Context1M
- Last verified2026-10-24
- View tool pricing and billing rules
What are we making today?
Bring an idea, a question, or a first draft.
01
Where it fits
Kimi K3.1 Pro is Moonshot AI's flagship 1M-context route, with image input, tool use, and a lower rate card than K3.
Choose K3.1 Pro for demanding agent and coding work that wants the strongest Kimi route at 20% of Moonshot list price.
02
Model capabilities
Vision
Accepts visual input alongside text for multimodal coding and analysis tasks.
Tool use
Can select and call tools in agent workflows that support structured tool use.
03
OpenAI-compatible API
Keep your client and change the base URL, API key, and model ID.
curl https://api.omniakey.com/v1/chat/completions \
-H "Authorization: Bearer $OMNIAKEY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "kimi-k3.1-pro",
"messages": [{"role": "user", "content": "Explain this codebase"}],
"stream": true
}'04
Compatible coding tools
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Frequently asked questions
How much does Kimi K3.1 Pro cost on OmniaKey?
OmniaKey currently charges $0.45 USD per 1M input tokens and $2.2 USD per 1M output tokens, in USD. Direct provider rates are separate and may change with input context length.
What is the context window for Kimi K3.1 Pro?
The listed context window is 1M. Actual usable limits can also depend on the client and upstream request format.
Which coding tools work with Kimi K3.1 Pro?
The current catalog lists compatibility with Claude Code, Codex, Cursor, Cline, Aider. Use the model ID shown on this page when the client supports model selection.