Pieces

Cognition AIs autonomous AI software engineer released February 24, 2026. The major update features multi-agent operation capability where AI agents dispatch tasks to other agents, plus self-assessed confidence evaluation that asks for clarification when unsure.

Deploy AI agents by chatting with one. Natural language interface for building and managing AI workflows without coding.

Kimi Code is an open-source AI coding agent developed by Moonshot AI, powered by the Kimi K2.5 multimodal model. It runs in your terminal and integrates with IDEs like VSCode, Cursor, and Zed, allowing you to use text, images, and videos as coding input. Launched in January 2026, it rivals Claude Code and Gemini CLI with strong SWE-Bench performance.

Ship reliable AI applications with confidence. Enterprise platform for building, testing, and deploying production-ready AI agents with monitoring and reliability features.

Qwen Code is an open-source AI coding agent CLI built by Alibaba's Qwen team, optimized to work with Qwen3-Coder models. Running directly in your terminal, it supports autonomous coding, file editing, and multi-step task execution across large codebases. As of February 2026, it includes Qwen3.5-Plus integration via OAuth for seamless access.

z.AI's flagship open-weight model released February 2026 with 744B total parameters (40B active). Designed for complex systems engineering and long-horizon agentic tasks. Integrates DeepSeek Sparse Attention for efficient long-context workloads. Strong in reasoning and code generation.