Second opinions from frontier models — right in your IDE. Powered by your existing subscriptions.Get started

When you're

Second opinions from
frontier models.

Right in your IDE.

Claude

ChatGPT

Gemini

Get Started Free

Claude Code

Cursor

Codex

Cline

Windsurf

auth-middleware.tsline 47

1// verify incoming JWT

2const payload = jwt.decode(token)

3if (!payload) throw new Error()

4// set user context

5req.user = payload.sub

Wait — is jwt.decode() the right call here? Something feels off.

Asking Claude 4.5, GPT-5.3 Codex, and Gemini 3.1 Pro...

Same code. Different blind spots.

Every model catches something the others miss. That's the point.

user-service.ts

1async function getUsers() {

2 const users = await db.query('SELECT * FROM users')

4 for (const user of users) {

5 user.posts = await db.query(

6 'SELECT * FROM posts WHERE user_id = ?',

7 [user.id]

8 )

9 }

11 return users // 10k users = 10k extra queries!

12}

Model Perspectives

3 models, 3 different angles on this problem

Claude 4.5 Sonnet

Critical N+1 issue. Use JOIN or DataLoader to batch queries. Reduces 10k queries to 1.

GPT-5.3 Codex

Implement eager loading with Prisma or TypeORM. Add Redis caching layer. Use database connection pooling for scale.

Gemini 3.1 Pro

Batch with single LEFT JOIN query. Add GraphQL DataLoader pattern. Implement query result caching with 5min TTL.

CLI-AS-API

Your subscriptions,
now programmable.

Turn your Claude Pro, ChatGPT Plus, or Gemini Pro into a standard REST endpoint. Call it from curl, Python, JavaScript — anything. Same subscription, zero extra cost.

Any subscription → a REST API in seconds

Standard HTTP — works with curl, fetch, any SDK

No API keys. Your session handles auth.

Read the CLI-as-API guide

terminal

# Your CLI subscription → REST API

$ curl https://api.polydev.ai/v1/chat \

-H "Authorization: Bearer pd_xxx" \ -d '{ "model": "claude-opus-4-6", "messages": [{ "role": "user", "content": "Review this code..." }] }'

# Routes through your authenticated CLI session

LIVE RANKINGS

The best model for React
isn't the best for Go.

Every Polydev query is a live experiment. Model responses get compared head-to-head, and the results feed a real-time leaderboard — ranked by language, framework, and task type. Find out which model actually performs best for the code you write.

Built from real developer prompts, not synthetic benchmarks

Filter by language, framework, or task type

Updated live as developers use Polydev worldwide

View Full Leaderboard

Top Models by Elo

LIVE

Loading rankings...

See all models with filters

"Why not just use ChatGPT?"

Without Polydev

With Polydev

Models consulted

1 at a time

3 simultaneously

Context shared

Copy-pasted snippets

Full project via MCP

Workflow

Switch tabs manually

One prompt in your IDE

API costs

Per-token billing

Your existing subscriptions

Setup

API keys per provider

One config block

Setup in five minutes.

Install Polydev

$ npx polydev-aiclick to copy

Add one config block to your IDE

Works with Claude Code, Cursor, Codex, Cline, and Windsurf.

"polydev": { "command": "npx", "args": ["polydev-ai"] }

Ask for perspectives

Your editor sends your full project context to every frontier model.

"Get perspectives on this auth middleware"

Or set it to auto-invoke

Your agent calls Polydev automatically when it hits a wall.

When stuck, use Polydev to get other perspectives.

One config block. Any MCP editor.

Claude Code, Cursor, Codex, Cline, Windsurf — add Polydev in under a minute.

View detailed setup guides for each IDE

Quick Setup

Recommended

1. Get your token from dashboard

POLYDEV_USER_TOKEN=pd_xxx

2. Add to your IDE's MCP config

{
  "mcpServers": {
    "polydev": {
      "command": "npx",
      "args": ["--yes", "--package=polydev-ai@latest", "--", "polydev-stdio"],
      "env": { "POLYDEV_USER_TOKEN": "pd_xxx" }
    }
  }
}

3. Ask in your editor

"Get multiple perspectives on this"

Use Your Subscriptions

No API Keys

Already paying for Claude Pro, ChatGPT Plus, or Gemini Pro? Login once. Polydev routes through your subscription — every query is free.