Zukko Blog

Guides to Claude Code, Cursor, Codex and the Claude and GPT APIs: setup, token savings and troubleshooting.

Roo Code or Cursor in 2026: Roo Code is shut down, what to pick instead

7 min · · сравнение

Roo Code was shut down on May 15, 2026, so the choice is now between other VS Code extensions and the standalone Cursor editor. A practical comparison and a task cost estimate.

GitHub Copilot vs Cursor: what a developer should choose in 2026

7 min · · сравнение

Copilot plugs into the environment you already use, Cursor is the environment. A comparison by integration, agents, models and payment, then the cost of working on your own key.

LangChain Ollama or a cloud model: one codebase, two models

4 min · · сравнение

ChatOllama runs a model on your machine, ChatOpenAI with a gateway base_url calls a cloud one. We write the code once and switch with environment variables.

Claude Code locally: what actually works with a local model

6 min · · агенты

Claude Code can run on a model that lives on your own computer. We cover the setup, how it differs from cloud models, and when you should count dollars instead of hardware.

Cursor vs Codex: an AI editor or a console agent, which to choose

6 min · · сравнение

Cursor and Codex solve the same problem differently: one lives in the editor, the other in the terminal. Workflows, connecting your own key and the cost of a session, with a calculation.

Claude Code through OpenRouter or the Zukko gateway: setup and differences

6 min · · IDE

Claude Code connects to both services through an Anthropic-compatible entry point. We show the configs side by side, the differences in model names, the connection check, and how cache affects the bill.

Cline or Kilo Code: how they differ and which to choose

7 min · · сравнение

Both are VS Code agents that accept your own key. Where their modes, default providers and approach to multitasking differ, and what that costs.

Dify vs n8n: LLM apps versus process automation

6 min · · автоматизация

Dify and n8n are often placed side by side though they solve different problems. We cover when you need an LLM app builder and when you need integration flows.

OpenRouter: what the service is and who it suits in 2026

6 min · · сравнение

OpenRouter offers one API and one balance for many models from different providers. We cover how it works, its fees and limits, and when another gateway is more convenient.

Qwen Code with a local model through Ollama: pros and limits

5 min · · сравнение

Qwen Code can connect to Ollama so your code never leaves the machine. Setup, the limits of local models and a money comparison with a cloud API.

Ollama Cloud or an API gateway: what to choose for cloud models

6 min · · сравнение

Ollama Cloud continues the familiar Ollama workflow, but in the cloud. How it differs from a pay-per-token gateway and how to choose for your task.

opencode or Qwen Code: which to pick for working with many models

5 min · · сравнение

Both agents are open source and not tied to one vendor. How provider setup, configs, agents and spending differ when you use the same key.

Windsurf AI: what the editor is and how to work with it from Russia

6 min · · IDE

What Windsurf is, how it relates to Cursor and Devin, and what to do when sign-in or payment from Russia fails: editors and agents that take your own key.

Windsurf vs Cursor: comparing AI editors by verifiable traits

6 min · · IDE

We compare Windsurf and Cursor on what can be verified: agent modes, Tab, rules, MCP and bringing your own key, with an honest note where the docs are silent.

opencode or Claude Code: two terminal agents and how they differ

5 min · · агенты

Both read your project, edit files and run commands in the terminal. We compare how they connect to models, where settings live, how agents and MCP work, and what it costs.

Claude Sonnet: what it is for and which version to pick in 2026

5 min · · models

What Claude Sonnet is, which tasks it usually gets and how versions 5.5, 5 and 4.6 differ in price, context and index. With a calculation and a test script.

Claude Desktop for Linux: Is There a Version and What to Use Instead

5 min · · IDE

An official Linux beta exists, but only for the Debian family. Its limits and alternatives for other distributions.

Gemini CLI or Claude Code: comparing terminal coding agents

6 min · · агенты

Gemini CLI and Claude Code compared by models, custom provider support, access from Russia and cost, plus how to run Gemini through a gateway.

Cline or opencode: an agent in VS Code or in the terminal

6 min · · сравнение

Cline lives in VS Code, opencode in the terminal. A comparison by scenarios, context control, connecting your own models and cost.

Cline vs Roo Code: comparing the two VS Code agents in 2026

6 min · · IDE

Roo Code grew out of Cline, then the paths split. We compare modes, rules and token spend, and cover what the Roo Code shutdown changes.

GPT-6 Astra or GPT-6 Sol: price and index differences, and what to pick

5 min · · сравнение

Astra and Sol from the GPT-6 family differ in price and Intelligence Index. We price the same task on both and give a simple selection rule.

Qwen Code or Claude Code: which terminal agent to pick

5 min · · сравнение

Two terminal agents with a similar feature set. We compare setup, models and API cost so the choice is not a blind one.

Aider or opencode: which terminal agent to choose

6 min · · сравнение

Both live in the terminal and connect to third-party models, but they are built differently: aider drives git for you, opencode is closer to an agent workbench.

GitHub Copilot: what it is and how it differs from AI agents

6 min · · IDE

What GitHub Copilot is, what it consists of and how it differs from Cline, Cursor and Claude Code, and when you need your own key.