Moonshot AI - review- 2026
Moonshot AI is a Chinese company founded in 2023 in Beijing, developing the Kimi family of large language models (LLMs), AI agents, and multimodal solutions. Founder and CEO is Yang Zhilin, a Tsinghua University graduate and former Google Brain researcher. The company has quickly become one of China's leading AI developers, competing with OpenAI, Anthropic, and DeepSeek.
Products
Kimi (chatbot)
The flagship product — Kimi chatbot, an alternative to ChatGPT supporting text, images, code, documents, spreadsheets, presentations, and a context window up to 1 million tokens.
Kimi Code
AI assistant for programming, supporting code writing, refactoring, debugging, code review, and working with large codebases in a single context window.
Kimi Researcher
Research and deep analysis tool capable of processing multi-volume documents, legal texts, and scientific publications in one query.
Developer API
OpenAI-compatible API with Python and Node.js SDK. Available models: Kimi K3 (flagship), Kimi K2.7 Code (coding), Kimi K2.6 (general). Features: Chat Completions, Tool Use, Batch processing, multimodal input, streaming.
Flagship model - Kimi K3
| Characteristic | Value |
|---|---|
| Parameters | ~2.8 trillion (MoE) |
| Architecture | Kimi Delta Attention + Attention Residuals |
| Context | up to 1M tokens |
| Multimodality | native (text + images + video) |
| Status | open-source (weights released July 27, 2026) |
| Use cases | coding, agentic tasks, deep reasoning |
Key features
- Long context - up to 1M tokens for analyzing large codebases, books, and legal documents in one query
- Open models - research published and models open-sourced on GitHub; K3 is the first open model in the 3-trillion-parameter class
- Ecosystem compatibility - can replace ChatGPT for coding, document analysis, and image processing
- Kimi Delta Attention (KDA) - hybrid linear attention for efficient long-context processing
- Sparse MoE - improved efficiency at 2.8 trillion parameters
- Tool support - Function Calling, Claude Code integration, agent frameworks
Summary
Moonshot AI is a key player in the global AI market. The flagship Kimi K3 (2.8T parameters, 1M context, open-source) is one of the most powerful LLMs in the world. The company offers a chatbot, coding assistant, research tool, and OpenAI-compatible API. K3 became the first open-source model in the 3-trillion-parameter class, confirming Moonshot's leadership in LLM scaling.
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