
Charles Proxy
Proxyman.io
Postman
Horangi
PracticeProtect
Intruder
HTTP Toolkit
Fiddler is a debugging program for websites.

Claude Code
Cursor
aider
Zed
Ghostty
warp by spolu
GitHub Copilot
Frontier reasoning in the terminal

Which is more popular?
Based on our record, OpenAI Codex CLI seems to be more popular. It has been mentioned 40 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | telerik.com | github.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Fiddler On The Roof, Faith on Film review
More videos
OpenAI Codex CLI
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Fiddler and OpenAI Codex CLI. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Next right up is Fiddler. It is one of the most powerful and popular web debugging proxy tools. it can debug and troubleshoot endlessly. What you would come to like is that Fiddler is free and has lots of plug-ins you...
Fiddler is a cross-platform web debugging proxy. It can help manipulate web sessions, inspect HTTPS traffic, and monitor traffic between your computer and the Internet.
Fiddler is another popular web debugging proxy that runs on Windows. It provides developers with a range of features, such as HTTP/HTTPS traffic capturing, request modification, and performance testing. In addition to...
We have no reviews of OpenAI Codex CLI yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Tracking Fiddler since Mar 2021.
The second CLI (Codex) records tokens and quota in session files, but the laptop sleeps and moves, so Prometheus can't reliably scrape it. That's exactly the Pushgateway case: a systemd user timer parses the session files every 5 minutes... - Source: dev.to / 13 days ago
Since when? https://learn.chatgpt.com/docs/codex/cli https://github.com/openai/codex Looks like it's still a more-or-less-open-source product called Codex CLI. FWIW, there have been issues with various versions of ChatGPT not knowing... - Source: Hacker News / about 1 month ago
Codex is open source: https://github.com/openai/codex. - Source: Hacker News / about 2 months ago
When comparing Fiddler and OpenAI Codex CLI, you can also consider the following products.

HTTP proxy / HTTP monitor / Reverse Proxy
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Transform hours of debugging into seconds with a single command. Experience coding at thought-speed with Claude's AI that understands your entire codebase—no more context switching, just breakthrough results.
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Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
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The AI-first Code Editor. Build software faster in an editor designed for pair-programming with AI.
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The Collaboration Platform for API Development
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