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Kimi K3.1 Leaks: A Three-Speed Brain with a Million-Token Memory

Kimi K3.1: The Model That Might Bring Its Own Team

Moonshot AI's next flagship isn't staying secret for long. If the leaked code is any sign, Kimi K3.1 could arrive as early as October 2026, and it's shaping up to be less of a single chatbot and more of a small workforce.

Three Levels of Thinking

First, the model appears to offer three adjustable reasoning intensities—Low, High, and Max. You want to save a few bucks? Go Low. Need the model to chew on a tough problem? Crank it to Max. It's a simple idea, but it puts the user in the driver's seat.

A Million Tokens and a Swarm of Agents

The clues come from internal JSON and API snippets, first spotted by leaker @MaxForAI on X. The identifiers—like "k3d1-agent"—point to a 1 million token context window (dubbed "Extra Long"), native Agent mode, and something called Swarm, which lets multiple agents collaborate on tasks. Search and batch processing modes are also in the mix. In plain English: the model is learning to split itself into a team that divides work, talks to itself, and plugs into external tools.

From Lone Wolf to Pack Leader

For context, Kimi K3—released in July 2026—already packed 2.8 trillion parameters, native vision, and a million-token context. Its architecture used tricks like Kimi Delta Attention and sparse MoE. If K3.1 delivers on these leaks, it would mark a shift from "a single model working alone" to "a model leading a group of models." You could pick Low for a quick draft, Max for a critical analysis, or hand a messy project to a swarm of agents to run in parallel.

The Race Is Changing

None of this is official yet. Moonshot AI hasn't announced anything, and the October date is still speculation. But code doesn't accidentally include "k3d1-agent" and Swarm switches. When a company writes Agent, ultra-long context, and multi-agent collaboration into its configuration files this densely, the message is clear: the next big fight isn't about who chats better. It's about who can work independently.

Key Points:

  • Kimi K3.1 may launch in October 2026 with three reasoning levels (Low, High, Max).
  • Leaked code reveals a 1 million token context, native Agent mode, and Swarm multi-agent collaboration.
  • Builds on K3's 2.8T parameters and million-token window.
  • Signals a shift from single-model chat to autonomous, team-based AI work.