Kimi is Moonshot AI's open-weight family for long-context reasoning, coding, multimodal agents, and research. Kimi K3 is the current generation.
Moonshot AI launched Kimi in 2023 with an early focus on long-context document understanding. Kimi K3, released in July 2026, is a 2.8T-parameter mixture-of-experts model with 104B active parameters. It combines native vision, a one-million-token context window, long-horizon coding, knowledge work, reasoning, and agent orchestration. The full model weights are available under the Kimi K3 License.
Further reading
MiniMax is an open-weight model family spanning language, reasoning, multimodal, and agentic workloads. MiniMax M3 is the current generation.
MiniMax introduced the open MiniMax-01 series in January 2025 and followed it with the M1 and M2 reasoning and agent models. MiniMax M3, released in June 2026, is a 428B-parameter mixture-of-experts model with about 23B active parameters. It combines native image and video understanding, a one-million-token context window, sparse attention, computer use, coding, and long-horizon agent capabilities.
Further reading
