"In 3-6 months, AI will be writing 90% of the code."

That was Anthropic CEO Dario Amodei in March 2025.

It's December now.

It has come true, only In some ways.

Cursor has evolved and become integral to every developer's workflow. Claude Code has started giving us the taste of AGI. AI agents, while have shown immense potential, are still maturing.

And yet, there are some standouts. Let’s call out the winners.

We put together an AI Survival Hackbook for 2026: a practical guide on how AI changed work between 2019–2025, what will matter next year, and how professionals are quietly using AI for leverage (not hype).

It includes:

It’s free for the next two weeks.

Not even close.

Cursor owns 2025 for AI-driven development.

The Composer mode, inline edits, in-built browser and the multi-file refactoring all come together and delivers the best coding environment.

There were other close competitors at some point like Windsurf with a cleaner UI and recently Antigravity by Google.

But Cursor has the ecosystem. The community loves it.

I love it.

Runner up: Google Antigravity

Claude Code dominated as an autonomous agent that plans, executes and ships better than an average developer.

It understands your codebase, runs tests and fixes its own mistakes.

When you realize you haven't touched your keyboard in 20 minutes and Claude Code just fixed three bugs and deployed the feature, that moment hits like crack.

Runner-up: OpenAI Codex

Just announced 2 weeks ago, and it’s already a winner.

Context being the difference maker.

It really understands what you're looking at on the page.

For example, when you’re on GitHub reviewing a PR, Claude analyzes the entire diff and explains what changed.

Other extensions like ChatGPT's sidebar is fine for general queries, and Perplexity is better for research.

Claude's extension is built for developers.

The catch: Only works in Chrome for now.

Runner up: Perplexity AI Companion

Easy winner.

They invented it, made it a standard.

And continue to be the best at it.

Runner-up: Playwright MCP

If you built an AI agent in 2025, you’ve probably used Composio.

You connect your agent to 100+ tools with zero setup. Auth is taken care of and rate limits are managed.

You just call the API.

GitHub, Slack, Notion, Gmail, Jira - every tool your agent needs to actually do work, already integrated.

Composio solved the boring problem: making your agent talk to other tools.

The market shift: 2024 was "can we build agents?" 2025 was "can agents just do things?"

Composio answered yes.

Runner-up: Pipedream

CodeRabbit changed how I review code.

It reviews PRs, catches bugs, suggests improvements and explains complex changes.

All automatically.

My favourite bit is that it learns your codebase. So its reviews get better over time.

Teams that adopted CodeRabbit cut review time by 40%.

Runner-up: Cursor’s native bugbot

For years, Replit was where beginners learned to code.

Then Replit Agent launched.

Suddenly you could describe an app in plain English and Replit would build it.

Deployed with a database. In minutes.

Developers who dismissed it as a toy suddenly used it for internal tools, MVPs, side projects. The "move to a real IDE" step disappeared.

Runner-up: Windsurf

Devin launched March 2024 as the "world's first AI software engineer."

The demos were too good and he hype was there.

Cognition raised money at a billion-dollar valuation.

Then people actually used it.

Software engineer Carl Brown showed it took him 36 minutes to complete a task that Devin spent 6 hours failing at.

Devin couldn't recognize impossible tasks.

It would spend days pursuing dead ends, hallucinating features that didn't exist.

When asked to deploy multiple apps to Railway (which Railway doesn't support), Devin spent over 24 hours trying and failing instead of just saying "that's not possible."

The price: $500/month. For a junior dev that works 15% of the time. Proved to be too expensive.

This is it.

Claude Code took the agent concept and made it real.

It's the first tool that felt like having a junior dev who actually gets things done.

And it sets the tone for 2026.

The infrastructure is solved.

In 2024, building an AI agent meant solving auth, rate limits, integrations yourself. In 2025, that became a commodity.

Which raises the question: if everyone can spin up an agent that talks to GitHub, Slack, and Jira in 10 minutes, where does value actually live?

The winners in 2025 give us hints:

Cursor won on experience. Claude Code won because it integrated into existing workflows instead of requiring new ones. Composio won by becoming the invisible infrastructure.

We've seen this before.

AWS made servers commodity.

Then companies competed on developer experience - Vercel, Railway, Render.

Same pattern playing out with AI tooling.

2026 will be the year infrastructure becomes free or near-free and the moat moves up the stack to interface, workflow, and distribution.

Until next time,
Vaibhav 🤝🏻

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