Kimi K3

Kimi K3

Moonshot AI
SubQ Snap 1.1

SubQ Snap 1.1

Subquadratic
+
+

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About

Kimi K3 is Moonshot AI’s most capable model, built for frontier intelligence scenarios such as software engineering, knowledge work, deep reasoning, and multimodal understanding. The model has 2.8 trillion parameters and uses Kimi Delta Attention, a hybrid linear attention mechanism, along with Attention Residuals for long-context performance. Kimi K3 supports a 1 million token context window, making it useful for analyzing large codebases, long documents, complex knowledge bases, and multi-step workflows. It includes native visual understanding for images and videos, with support for structured message formats, base64 image input, uploaded video files, and multimodal reasoning. Developers can use Kimi K3 through an OpenAI-compatible API with support for streaming, structured JSON output, partial mode, custom tools, dynamic tool loading, and automatic context caching.

About

SubQ Snap is a hosted multimodal decision model for developers building AI agents and enterprise workflows. Through Subquadratic’s API, applications send text or image context with defined questions and receive structured answers such as labels, choices, scores, and probabilities. This supports tasks including tool and file selection, routing, triage, guardrails, ranking, classification, and checking whether a test or result meets specified criteria. The model accepts up to 384K tokens of context and supports image input. It is designed for bounded decisions rather than open-ended text generation, so it can be used alongside a language model that handles planning or writing. Public-preview API documentation includes request examples, model access details, and decision formats.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers, AI agent builders, software engineering teams, research teams, enterprise AI groups, data teams, product teams, and organizations that need long-context reasoning, multimodal understanding, structured output, tool calling, coding support, and OpenAI-compatible API access

Audience

Developers and enterprise teams building AI agents and workflows that need structured decisions from text or image context.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$3 per 1M tokens (input)
Kimi K3 is priced per 1 million tokens:

Cached input: $0.30
Uncached input: $3.00
Output: $15.00
Context window: 1,048,576 tokens

Cached inputs cost 90% less than uncached inputs, while generated output is the most expensive token category. Prices exclude applicable taxes, which are calculated based on the customer’s jurisdiction.
Free Version Not Supported
Free Trial Not Supported

Pricing

$0.05/1M input tokens
$0.05 per 1 million input tokens; output tokens are free. SubQ Snap is in public preview, with access subject to capacity limits.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • Kimi K3 looks seriously exciting from the perspective of a developer and AI agent builder. The 1M-token context window is the kind of thing that actually matters when you are working with large repos, long docs, product specs, logs, and messy multi-step agent workflows. I also like that Kimi is positioning it around long-horizon coding and end-to-end knowledge work, not just generic chat. The native visual understanding, tool calling support, and deep reasoning focus make it feel like a model built for agents that need to read, plan, inspect, code, and iterate across a real workflow. The 2.8T-parameter scale is also hard to ignore. If the real-world performance matches the positioning, Kimi K3 could be a very strong option for developers who want frontier-level capability with long context and multimodal inputs in the same stack.

Cons

  • It is still new, so I would want to test it heavily before depending on it for production agents. Big context windows are useful, but they do not automatically guarantee perfect repo understanding, reliable tool use, or consistent long-running execution.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Moonshot AI
Founded: 2023
China
kimi.ai

Company Information

Subquadratic
Founded: 2025
United States
subq.ai/

Alternatives

Alternatives

GPT-5.6 Sol

GPT-5.6 Sol

OpenAI
GPT-6 Astra

GPT-6 Astra

OpenAI
Claude Opus 5

Claude Opus 5

Anthropic
Kimi K3.1 Pro

Kimi K3.1 Pro

Moonshot AI
Kimi K2

Kimi K2

Moonshot AI
SubQ Snap

SubQ Snap

Subquadratic

Categories

Categories

AI Decision Models Supported

Integrations

.NET Supported
Alibaba AI Coding Plan Supported
Bash Supported
Cherry Studio Supported
Claude Code Supported
Command Code Supported
Cosmos Supported
Grengin Supported
Java Supported
Kimi Work Supported
Kubernetes Supported
Ollama Supported
OpenAI Not Supported
OpenAI Codex Supported
OpenCode Supported
PrivatClaw Supported
Rust Supported
Shiori Supported
TypeScript Supported
ZooClaw Supported

Integrations

.NET Not Supported
Alibaba AI Coding Plan Not Supported
Bash Not Supported
Cherry Studio Not Supported
Claude Code Not Supported
Command Code Not Supported
Cosmos Not Supported
Grengin Not Supported
Java Not Supported
Kimi Work Not Supported
Kubernetes Not Supported
Ollama Not Supported
OpenAI Supported
OpenAI Codex Not Supported
OpenCode Not Supported
PrivatClaw Not Supported
Rust Not Supported
Shiori Not Supported
TypeScript Not Supported
ZooClaw Not Supported
Claim Kimi K3 and update features and information
Claim Kimi K3 and update features and information
Claim SubQ Snap 1.1 and update features and information
Claim SubQ Snap 1.1 and update features and information