The Software Developer's AI Stack

The AI toolkit for software developers — what to use for each part of the job, in the order the work actually flows.

This workflow strings together eight AI coding tools in the order a developer naturally moves through a project: from initial exploration and rapid prototyping, to local editing with instant suggestions, to safe sandboxing and parallel PR generation, then final review and polish. The combination works because each tool excels at a specific layer—Claude Code for deep reasoning in the terminal, Cursor for visual agent-driven builds, Copilot for lightweight inline completions, Codex for isolated batch changes, Windsurf for orchestrating multiple agents, Claude for nuanced documentation and architecture, Aider for Git-aware terminal pair programming, and Cody for codebase-wide context retrieval. You end up with a pipeline that lets you start from a blank prompt and ship production code without leaving your IDE or terminal, while keeping every commit traceable. This stack is for professional developers who want to leverage AI at every stage of the development lifecycle without redundant tools or vendor lock-in.

The workflow, step by step

1
Explore and prototype with Claude Code
Claude Code
Use Claude Code in your terminal to reason through architecture decisions and generate boilerplate. Its agentic mode can edit files and run commands, making it ideal for early-stage exploration where you need fast feedback and deep context.
Hand-off → A high-level project plan and a scaffold of the codebase (folder structure, key files).
2
Build features with Cursor's agent
Cursor
Cursor's AI coding agent works inside your editor to build larger features, leveraging its awareness of your open files. It handles multi-file changes better than inline completions, so you can move from scaffold to working features.
Hand-off → A locally running application with several implemented features and passing tests.
3
Accelerate routine coding with Copilot
GitHub Copilot
GitHub Copilot provides inline suggestions as you type, speeding up boilerplate, tests, and documentation. Its low-latency completions fit seamlessly into the flow after heavier agent work.
Hand-off → A codebase with inline completions that have filled in repetitive code blocks and improved coverage.
4
Batch changes and PRs with Codex sandboxes
OpenAI Codex
Codex runs in parallel sandboxes to write features, fix bugs, and open PRs without touching your working directory. Use it for isolated, risk-free changes like dependency upgrades or refactoring.
Hand-off → Open pull requests for each sandboxed change, ready for review.
5
Orchestrate agents in Windsurf
Windsurf
Windsurf lets you plan, delegate, review, and ship code from one IDE by running multiple agents simultaneously. It keeps all outputs organized, so you can manage parallel work without context switching.
Hand-off → A unified diff of all agent outputs, with conflicts resolved and a clear commit plan.
6
Review and refine with Claude chat
Claude
Claude's long context and nuanced reasoning make it perfect for reviewing diffs, writing documentation, and refining architecture. Switch from coding agents to Claude for high‑level quality assurance.
Hand-off → Reviewed code with inline suggestions, documentation drafts, and architectural notes.
7
Polish code with Aider's auto-commits
Aider
Aider edits your code in the terminal and auto-commits every change, so you can iterate quickly with a clean Git history. Use it for final tweaks and bug fixes after the main work is done.
Hand-off → A series of well‑commented commits that finalize the feature or fix.
8
Verify context and answer codebase questions
Sourcegraph Cody
Cody uses whole-codebase context to answer questions, explain code, and find bugs. Run it last to sanity‑check that everything is consistent across modules and that no hidden issues remain.

What this stack costs per month

Running on free tiers6 of 8 steps freethe rest need a paid plan

All entry paid plans$77/mosum of 4 published starting prices, one seat each, plus 4 tools without published pricing

Claude Codefrom $17/mo
Cursorfrom $20/mo · free tier
GitHub Copilotfreemium, pricing not published
OpenAI Codexfrom $20/mo · free tier
Windsurffrom $20/mo · free tier
Claudefreemium, pricing not published
Aiderfreemium, pricing not published
Sourcegraph Codyunknown, pricing not published

Computed from each vendor's published monthly prices as we last verified them — tap a tool for its full pricing breakdown and price history.

All tools in this stack

Claude Code

unknown

Terminal-first agentic coding tool that reads codebases, edits files, runs comma...

Rating

4.9

Category

编程开发与 DevOps

Pricing

Claude Code does not have a standalone free tier. Official Anthropic pages say users can access Claude Code through Claude Pro or Max, Team or Enterprise plans, or a Claude Console account. For subscriptions, Claude Code usage shares the plan's Claude usage limits across Claude web, desktop, mobile, and Code. For Claude Console access, Claude Code consumes API tokens at standard Claude Platform pricing. As verified on 2026-07-08, Claude Pro is $20/month or $200/year, Max 5x is $100/month, Max 20x is $200/month, Team Standard is $20/seat/month billed annually or $25 billed monthly, Team Premium is $100/seat/month billed annually or $125 billed monthly, and Enterprise is listed as seat price plus usage at API rates. Claude Platform token pricing on the official pricing page lists Fable 5 at $10 input / $50 output per MTok, Opus 4.8 at $5 / $25, Sonnet 5 at introductory $2 / $10 through 2026-08-31 and $3 / $15 thereafter, and Haiku 4.5 at $1 / $5. Claude Code fast mode for Opus 4.8 is described on the product page as research preview, 2.5x faster, and priced at $30 input / $150 output per million tokens.

Cursor

freemium

AI code editor and agentic IDE for planning, writing, reviewing, and automating ...

Rating

4.8

Category

编程开发与 DevOps

Pricing

Cursor offers a free Hobby tier, three individual paid tiers, two Teams seat types, and custom Enterprise pricing. Official pricing shows monthly and yearly billing toggles. Monthly prices are Pro $20, Pro+ $60, Ultra $200, Teams Standard $40/user, Teams Premium $120/user. Yearly billing displays lower monthly equivalents: Pro $16, Pro+ $48, Ultra $160, Teams Standard $32/user, Teams Premium $96/user. Individual plans use two usage pools: first-party models and API usage. API usage included is $20 for Pro, $70 for Pro+, and $400 for Ultra. On-demand usage can continue after included usage is consumed and is billed monthly at the same rates.

GitHub Copilot

freemium

AI coding assistant for autocomplete, chat, reviews, agents, and GitHub-native w...

Rating

4.6

Category

编程开发与 DevOps

Pricing

GitHub Copilot currently has individual plans Free, Student, Pro, Pro+, and Max, plus organization plans Business and Enterprise. Free includes capped completions and chat. Paid individual plans keep code completion and next edit suggestions unlimited, while chat, agent mode, code review, cloud agent, Copilot CLI, and Copilot Apps consume GitHub AI Credits. Pro is $10/month with 1,500 AI Credits; Pro+ is $39/month with 7,000 AI Credits; Max is $100/month with 20,000 AI Credits. Business is $19 per granted seat per month with 1,900 pooled AI Credits per user; Enterprise is $39 per granted seat per month with 3,900 pooled AI Credits per user and requires GitHub Enterprise Cloud. Additional AI-credit usage is billed at $0.01 per credit where allowed. New self-serve Business sign-ups for organizations on GitHub Free and GitHub Team plans have been temporarily paused since April 22, 2026.

OpenAI Codex

freemium

Agentic coding platform for building, reviewing, and shipping software across ap...

Rating

4.6

Category

编程开发与 DevOps

Pricing

OpenAI lists Codex as included with ChatGPT Free, Go, Plus, Pro, Business, Edu, and Enterprise. Individual plans start at Free for quick coding tasks, Go at $8/month for lightweight coding tasks, Plus at $20/month for focused weekly coding sessions, and Pro from $100/month for 5x or 20x higher Codex usage than Plus. Business is $20/user/month billed annually or $25/user/month billed monthly with a 2-seat minimum. Enterprise and Edu use sales-led pricing. API-key usage is billed by API token pricing and does not include cloud-only features such as GitHub code review or Slack integration.

Windsurf

freemium

Rebranded AI IDE for managing local and cloud coding agents inside a VS Code-der...

Rating

4.5

Category

编程开发与 DevOps

Pricing

Official pricing now redirects to Devin pricing. Free includes light agent quota, limited model availability, unlimited inline edits, and unlimited Tab completions. Pro is $20/month, Max is $200/month, Teams is $80/month plus $40/month per full developer seat, and Enterprise is custom. Usage allowance refreshes daily and weekly; paid users can buy extra usage at API list pricing.

Claude

freemium

AI thinking partner for writing, research, coding, data analysis, file work, and...

Rating

4.8

Category

通用助手与模型平台

Pricing

Claude offers a Free plan, Pro at $20/month or $200/year, Max at $100/month for 5x Pro capacity or $200/month for 20x Pro capacity, Team Standard at $20/seat/month annually or $25 monthly, Team Premium at $100/seat/month annually or $125 monthly, Enterprise from $20/seat plus usage at API rates, an Education plan with institution pricing, and API pricing by model tokens and add-on services.

Aider

freemium

Open-source terminal AI pair programmer that edits local git repositories with m...

Rating

4.3

Category

编程开发与 DevOps

Pricing

Aider does not publish a dedicated pricing page and no official Aider-paid plan was found during the site-map and web search pass. The official product and docs present Aider as open-source software available from GitHub and PyPI under the Apache-2.0 license. Users bring their own API keys or connect local/free models. Official LLM docs mention free API options such as OpenRouter free models with daily limits and Google Gemini 2.5 Pro Exp, plus local models through Ollama and OpenAI-compatible endpoints. Aider itself does not bill users for seats, projects, repositories, or usage. Cost control is handled through model choice, prompt caching, local inference, and provider billing outside Aider.

Sourcegraph Cody

unknown

Enterprise AI code assistant that uses Sourcegraph code search to answer, edit, ...

Rating

4.2

Category

编程开发与 DevOps

Pricing

Sourcegraph's current public pricing page lists one Enterprise plan, starting at $16K, with credits for AI features and pricing that scales with team size. The public page does not expose a separate current Cody Free or Cody Pro plan. Official Cody docs state that Cody is supported on Sourcegraph Enterprise. Sourcegraph's June 25, 2025 announcement and Cody FAQ state that Cody Free, Cody Pro, and Cody in Enterprise Starter stopped being available on July 23, 2025, while Cody Enterprise customers were not affected and continue to be supported. The Enterprise plan includes search and navigation, AI-powered Deep Search, Batch Changes, Insights, Monitoring, MCP Server, APIs, CLI access, major code hosts, single-tenant cloud, self-hosting, enterprise admin/security, AI credits, org-wide credit pooling, no monthly credit expiry, rollover on renewal, and 24x5 support.

Frequently asked questions

How much does the full AI developer stack cost per month?

Claude Code is $20/month (part of Anthropic's plan), GitHub Copilot is $10/month, OpenAI Codex is $20/month, and Claude (chat) is $20/month. Cursor, Windsurf, and Cody have free tiers but must‑have features are paid (~$20 each). Aider is free and open source. Expect $80–$120/month for the full stack, though you can start with free tiers and upgrade as needed.

Can I replace this stack with free alternatives?

Yes, partly. Use Cursor's free tier instead of Claude Code, replace Copilot with Tabnine's free tier or completions from Cody Free, and use Aider (free) instead of Codex. The trade‑off is lower context limits and fewer agentic features. For a free setup, start with Aider, Cody Free, and Cursor Free.

Where should a beginner start with this workflow?

Begin with just two tools: Cursor (for agentic editing) and Claude chat (for reasoning). Once comfortable, add Copilot for inline suggestions and Aider for Git‑aware commits. The other tools (Claude Code, Codex, Windsurf, Cody) are for more advanced parallel workflows.

What is a common mistake when using this many AI tools?

The most common mistake is using too many agents simultaneously without a clear handoff strategy, leading to conflicting changes and broken code. Follow this workflow's order strictly: explore → build → complete → batch → orchestrate → review → polish → verify. Also, commit often and use branches for each agent's output.