Analysis Summary
MoonshotAI Kimi K3 is a multimodal model supporting text, images, and video, with a 1,048,576-token context window, tool use, and function calling. That unusually large context is valuable for extensive codebases, large document sets, multimedia research, and complex workflow inputs. The supplied record includes no benchmark results, so its reasoning, coding, and agentic reliability cannot be confirmed.
Pricing is premium at $3 per million input tokens and $15 per million output tokens, making it better suited to high-value long-context work than routine automation. Test it for document intelligence, research, and agent prototypes where context capacity is the main requirement. Do not make it a default client model until quality and cost are validated against benchmarked alternatives.
Assessed September 7, 2026
Editorial notes
Kimi K3 offers a 1M-token context window, vision, video, tool use, and function calling for demanding long-context workflows. The supplied record has no benchmark data, and premium pricing makes direct validation essential.
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DFO Verdict
Kimi K3 offers a 1M-token context window, vision, video, tool use, and function calling for demanding long-context workflows. The supplied record has no benchmark data, and premium pricing makes direct validation essential.
How MoonshotAI: Kimi K3 (batch) compares
Its 1M-token context window is larger than 93% of the models we list. At $2.28 per million input tokens it is cheaper than 13% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on business fit. The pulled-in technical corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $2.28 | $0.002280 |
| Output | $11.40 | $0.011400 |
What would MoonshotAI: Kimi K3 (batch) cost your business?
Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.
A website chatbot handling around 100 customer conversations a day, a few short messages each.
Full calculator with 798 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save MoonshotAI: Kimi K3 (batch) for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout MoonshotAI: Kimi K3 (batch)
Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is particularly strong at..
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Frequently asked questions about MoonshotAI: Kimi K3 (batch)
How much does MoonshotAI: Kimi K3 (batch) cost?
MoonshotAI: Kimi K3 (batch) costs $2.28 per million input tokens and $11.40 per million output tokens.
What is the context window of MoonshotAI: Kimi K3 (batch)?
MoonshotAI: Kimi K3 (batch) has a context window of 1,048,576 tokens (1M).
What can MoonshotAI: Kimi K3 (batch) do?
MoonshotAI: Kimi K3 (batch) supports image/vision input, tool use, and function calling.
Who created MoonshotAI: Kimi K3 (batch)?
MoonshotAI: Kimi K3 (batch) is developed by MoonshotAI and was released on July 16, 2026.
Data sourced from the OpenRouter API, Artificial Analysis, the Hugging Face Open LLM Leaderboard and our own internal testing. Scores are editorially curated by our team.
Last updated: September 22, 2026 8:38 pm