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Dify Agent, the Linux-sandbox agent Dify introduced in 1.16, works with a local model once you install the Ollama plugin and switch on tool calling. With Dify 1.17.1 and Qwen3.5-4B on a CPU, the published agent returned correct figures in three out of three runs; Build mode finished none of its three sessions.
Between 1 June and 28 August 2026, Claude Code shipped 81 releases, from 2.1.160 to 2.1.251, carrying 149 additions. Four of them change how you actually work: Claude Opus 5 as the default, cross-session messaging, self-hosted environments, and credential masking in the sandbox.
E2B is open-source infrastructure that runs your agent's generated code inside isolated Firecracker microVMs, each with its own Linux kernel. It boots in about 150 ms, exposes a stateful interpreter from its Python SDK and can be self-hosted with Terraform. This guide explains why an agent needs a sandbox and how to use E2B.
