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ChatGPT (GPT-5.3 Codex)

Coding
4.9
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Pros

  • • Best-in-class coding with GPT-5.3 Codex
  • • Updated knowledge base (2026)
  • • Integrated Python interpreter for complex tasks

Cons

  • • Usage limits on Plus plan for Codex queries
  • • Strict safety guardrails on generation

What is ChatGPT (GPT-5.3 Codex)?

ChatGPT has evolved significantly with the release of GPT-5.3 Codex in February 2026. This new iteration specializes in complex software engineering tasks, rivaling dedicated coding agents while maintaining its general-purpose brilliance.

Key Features

  • GPT-5.3 Codex: Specialized for Python, JavaScript, and systems programming.
  • Deep Reasoning: Handles multi-file refactoring with ease.
  • Live execution: Runs code snippets in a secure sandbox instantly.

Why use ChatGPT?

It remains the gold standard for developers who need a versatile partner capable of both high-level architecture discussions and low-level debugging.