Kimi K3: API pricing, context window and capabilities

Prices from official vendor price lists · October 2026

Kimi K3 costs $3 per 1M input tokens and $15 per 1M output tokens, with a 1.05M context window. Top of Moonshot AI’s range and dearer than 89% of this rating. Worth it when the first answer has to be right — Kimi K2.6 handles routine work for about 4× less.

Visit Moonshot AI All Moonshot AI models

Capabilities

API $/1M (in / out)

$3 / $15

Context window

1.05M tokens

Price / mo

API only

Overview Reviews

Kimi K3 is an AI model from Moonshot AI, priced at $3 input and $15 output per 1M tokens. That places it in the frontier tier of this rating — dearer than 89% of the 205 priced models listed.

It holds 1.05M tokens in a single conversation, enough for a full codebase or a contract bundle in one pass. Capabilities recorded in this rating: text & chat, vision, video, reasoning, tool calling. Access is through the API rather than a consumer subscription.

API price$3 / $15per 1M tokens, in / out

Context1.05M tokenstokens per conversation

VendorMoonshot AIall models from this vendor

TierFrontierdearer than 89% of models

Cost calculator

1M tokens/mo10M tokens/mo50M tokens/mo200M tokens/mo

Standard$12.00~~AED 44 per month~~

With batch −50%$6.00~~AED 22 per month~~

With caching on input$11.32~~AED 42 per month~~

Standard$120~~AED 441 per month~~

With batch −50%$60.00~~AED 220 per month~~

With caching on input$113~~AED 416 per month~~

Standard$600~~AED 2,204 per month~~

With batch −50%$300~~AED 1,102 per month~~

With caching on input$566~~AED 2,080 per month~~

Standard$2,400~~AED 8,814 per month~~

With batch −50%$1,200~~AED 4,407 per month~~

With caching on input$2,265~~AED 8,318 per month~~

Assumes a 1:3 input-to-output ratio, which is typical for chat and generation. Dirham figures use 3.6725 per dollar. Batch and caching discounts apply where the vendor offers them.

Compared with alternatives

How Kimi K3 sits against its neighbours in this rating. Tap a card to open that model.

GPT-5.3-Codex

Cheaper

OpenAI

$1.75 / $14400K tokens

Good and poor fit

Good fit

Multi-step analysis, planning and code review, where the first plausible answer is often wrong.
Reading screenshots, charts, scanned documents and photos.
Whole codebases, contract bundles and long transcripts in a single pass.

Poor fit

Classification, routing and short summaries — a small model does these identically for a fraction of the price.

Related filters

Text & chat234 models for text generation and chat

Vision159 models that read images

Reasoning175 models that think before answering

Tool calling172 models that call your functions

Long context 1M+88 models holding 1M tokens or more

Moonshot AI5 models from this vendor

All 245 modelsThe full rating with filters and prices

Frequently asked questions

How much does Kimi K3 cost?

$3 / $15 per 1M tokens, input and output. In dirhams that is roughly AED 11.02 per 1M input tokens. Batch processing halves it where the vendor offers it.

What is the context window of Kimi K3?

1.05M tokens in a single conversation.

What can Kimi K3 do?

In this rating it is recorded with: text & chat, vision, video, reasoning, tool calling, structured JSON output, long context 1M+, prompt caching, batch API, multilingual, open weights.

Is Kimi K3 a good choice?

It depends on the job. See the good-fit and poor-fit lists above, and compare against the neighbouring models before committing.

Ratings 1

Avg. score 5

Rate this page

Help us improve