Best Free AI Coding Agents in 2026 — No Credit Card Required
Five AI coding agent stacks that cost $0: OpenCode with free OpenRouter models, Ollama local models, Antigravity CLI, Aider, and Hermes — with the real rate limits.
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Five AI coding agent stacks that cost $0: OpenCode with free OpenRouter models, Ollama local models, Antigravity CLI, Aider, and Hermes — with the real rate limits.
Practical patterns for structuring your codebase, prompts, and project files so coding agents produce better code with fewer wasted tokens. Covers AGENTS.md optimization, prompt framing, context window tricks, and the mistakes that silently tank agent quality.
How to write AGENTS.md (and related instruction files) so Claude Code, OpenCode, Cursor, Codex, and others respect your architecture, tests, and safety rules. Includes OS-specific pitfalls, permission boundaries, and a loop to prove the agent is actually reading it.
How to choose between Claude Code, Cursor, Codex, OpenCode, Hermes, and others using real adoption data, security posture, and workflow fit — not marketing.
The step-by-step beginner's setup guide for AI coding agents: choose your agent, install it, add API keys, wire up AGENTS.md and security, and run your first real task — with links to every setup and how-to deep dive on terminalblog.
A practical feature matrix for AI coding agents—vision, cron, multi-provider, git, plugins, subagents, background tasks, local-first—so you pick by capability, not brand heat.
Cornerstone content is your most important, comprehensive page on a core topic. It anchors your topic...
Step-by-step setup guide for every major coding agent in 2026 — from zero to productive in minutes. Covers Claude Code, Cursor, Codex, Hermes, OpenCode, and more.
The definitive guide to every coding agent in 2026 — tool deep dives, head-to-head comparisons, community verdicts, feature matrices, and decision frameworks. Updated weekly.
The complete pricing breakdown for all coding agents in 2026 — free tiers, subscriptions, pay-as-you-go, hidden costs, real-world budgets, and ROI calculations. Updated with the latest pricing changes.