Claude Code Gratuit : Claude Opus 5 et Sonnet 5 dans Cursor sans Clé API

Published on Sep 03, 2026 by Toolxz Engineering Team · 8 min read

Profitez des modèles d'IA les plus puissants de 2026 directement dans votre éditeur de code sans payer d'abonnements mensuels.

Connectez gratuitement Claude Opus 5, Sonnet 5 et GitLab Duo dans Cursor IDE et VS Code sans facturation de tokens.

Want to run Claude Opus 5, Claude Sonnet 5, and GitLab Duo models for free inside Claude Code, Cursor IDE, or VS Code — without paying a cent in API bills? This guide shows you exactly how. In 2026, AI-assisted coding with Cursor, Claude Code, and autonomous agents like Cline and Roo Code is table stakes, and the tool below makes all of it free.

⚠️ The 2026 AI Developer Crisis: $35/M Token Billing

With the arrival of frontier models like Claude Opus 5, Claude Sonnet 5, Fable 5.1 / Finale 5, and Gemini 3.8 Flash, commercial API providers charge anywhere from $15 to $35 per million output tokens. Multi-file codebase indexing or autonomous agents can burn through $50 to $200 in a single weekend.

The GitLab Duo & Web Studio Secret: Unlimited Frontier Tokens

Here is the open secret of the modern AI landscape: the exact same frontier models that cost a fortune via metered developer APIs can be accessed completely free through web studios and enterprise seats like GitLab Duo:

🦊 GitLab Duo AI

Connect enterprise seat sessions to route gitlab/claude-opus-5, gitlab/claude-sonnet-5, and gitlab/fable-5.1 without per-token charges.

🧠 AWS Kiro Studio

Free cloud session access to Anthropic's flagship claude-opus-5 and claude-sonnet-5 with deep hybrid reasoning.

⚙️ Qwen Coder (Alibaba)

State-of-the-art open-weights coding champion qwen-2.5-coder-32b and qwen-3-coder for local & cloud development.

⚡ Google AI Studio

Free access to ultra-fast gemini-3.8-flash and gemini-3.7-flash with a massive 2,000,000 token context window.

The problem? You are trapped in web interfaces. Copy-pasting code back and forth between browser tabs and Cursor destroys your developer flow state.

Open Source AI Gateway

Meet Toolxz Bridge (Powered by OmniBridge)

A high-performance local reverse-proxy that bridges free web AI sessions into standard OpenAI (/v1/chat/completions) and Anthropic (/v1/messages) APIs with Chrome 124 TLS impersonation and zero cloud telemetry.

pip install git+https://github.com/huzaifa1201/OmniBridge-AI-Gateway.git
Star & Clone on GitHub →

Step-by-Step: How to Set Up Toolxz Bridge in Under 2 Minutes

Step 01

Install the Global CLI

Open PowerShell, Command Prompt, or Terminal and run:

pip install git+https://github.com/huzaifa1201/OmniBridge-AI-Gateway.git
Step 02

Launch Toolxz Bridge

Type the command into your terminal to start the local gateway:

omnibridge

Toolxz Bridge auto-detects free ports and automatically launches the web dashboard at http://localhost:8000.

Step 03

Grab Session Cookies (10 Seconds)

  1. Log in to your provider (GitLab Duo, AWS Kiro, Google AI Studio, or LMSYS Arena).
  2. Press F12 → Network tab → filter by Fetch/XHR.
  3. Send a quick test prompt like "hi".
  4. Click the request header, copy the cookie: string, and paste it into the Toolxz Bridge dashboard.
Step 04

Connect Cursor IDE in 30 Seconds

  • In Cursor, open Settings (Ctrl + ,) → Models.
  • Toggle OpenAI API Key to ON.
  • Set Override OpenAI Base URL to: http://localhost:8000/v1
  • Set API Key to: sk-omnibridge
  • Add custom model names:
    • gitlab/claude-opus-5
    • gitlab/claude-sonnet-5
    • gitlab/fable-5.1
    • qwen-2.5-coder-32b
    • gemini-3.8-flash
Step 05

Connect Claude Code CLI (Free Anthropic Models)

Claude Code users can also route free web sessions instead of paid Anthropic API keys. Set the environment variables before launching: 

export ANTHROPIC_BASE_URL=http://localhost:8000/v1/messages
export ANTHROPIC_API_KEY=sk-omnibridge
claude

On Windows PowerShell, use $env:ANTHROPIC_BASE_URL="http://localhost:8000/v1/messages" instead. Claude Code now sends every request through your local gateway — Claude Opus 5 and Sonnet 5 via GitLab Duo seats, zero API billing.

Under the Hood: Why Cloudflare and Bot Shields Can't Block It

Most basic Python web scrapers get blocked by Cloudflare or Akamai within minutes. Toolxz Bridge bypasses this completely using Chrome 124 TLS Fingerprint Impersonation via the high-performance curl_cffi engine.

It replicates authentic Google Chrome ciphers, JA3/JA4 cryptographic fingerprints, ALPN protocols, and HTTP/2 pseudo-header order. To provider firewalls, your Cursor queries look 100% indistinguishable from a user sitting in a genuine Chrome tab!

Security First: Authenticated Local AES-256 Vault

Your privacy is non-negotiable. Toolxz Bridge incorporates a strict zero-telemetry guarantee:

  • AES-256 Fernet Encryption: Session cookies and tokens are encrypted locally inside data/vault.enc using a machine-locked key (data/vault.key).
  • Zero Cloud Telemetry: Requests flow strictly between 127.0.0.1 and the provider's official endpoint. Zero tracking, zero analytics, zero external logging.

Commercial Metered APIs vs. Toolxz Bridge Gateway

Capability Official Paid API Toolxz Bridge Gateway
Gemini 3.8 / 3.7 Flash Metered per-token billing 100% Free via AI Studio
Claude Opus 5 & Sonnet 5 $35 / million tokens Free via GitLab Duo & Kiro
Fable 5.1 / Finale 5 Enterprise seat required Direct Cursor Bridging
Context Window Size Cost scales with context Full 2,000,000 Tokens
Credit Card Needed Mandatory Zero

Frequently Asked Questions (FAQ)

Is using Toolxz Bridge safe for my accounts?

Yes. Toolxz Bridge uses your own session credentials on your local device. Because requests are executed with authentic Chrome 124 TLS fingerprints and natural human headers, your sessions remain indistinguishable from normal browser usage.

How long do web session cookies last?

Google AI Studio sessions typically last 30 to 60 days unless you manually sign out. AWS Kiro sessions last 7 to 14 days. When a session expires, you simply grab a new cookie via F12 in 10 seconds and click "Update Cookies" in the dashboard.

Can I use Toolxz Bridge with VS Code Continue or Cline?

Absolutely. Toolxz Bridge outputs standard OpenAI format on /v1/chat/completions and Anthropic format on /v1/messages. It works seamlessly with Claude Code, Cursor, Continue.dev, Cline, Roo Code, Aider, and Claude Desktop.

Ready to Supercharge Your Coding Workflow?

Join developers around the world using Toolxz Bridge to route Claude Opus 5, Sonnet 5, and Gemini 3.8 into Cursor for free.

Explore Toolxz Bridge Web Hub → Star on GitHub →

FAQs

Comment fonctionne Toolxz Bridge ?

Il agit comme un proxy local qui traduit les sessions authentifiées en format d'API standard OpenAI.

Mon code reste-t-il confidentiel ?

Absolument, tout s'exécute sur votre machine locale avec chiffrement AES-256.

Quels modèles sont pris en charge ?

Claude Opus 5, Claude Sonnet 5, Gemini 3.8 Flash et Qwen Coder.