Is GitHub Copilot Chat better than ChatGPT Plus for explaining legacy codebases and generating unit tests on the fly
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Is GitHub Copilot Chat better than ChatGPT Plus for explaining legacy codebases and generating unit tests on the fly
2 real searches · 1 real-search pass
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (2)
Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT2 real searches · gpt-6
GitHub Copilot Chat codebase context agent mode unit tests documentation 2026 Google ↗
ChatGPT Plus coding projects Codex codebase repository unit tests official documentation 2026 Google ↗
- Asking GitHub Copilot questions in your IDE · docs.github.com
- ChatGPT Work and Codex · help.openai.com
- Using Codex with your ChatGPT plan · help.openai.com
- Add context to chat · code.visualstudio.com
- Production systems · learn.chatgpt.com
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
GitHub Copilot Chat codebase context agent mode unit tests documentation 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
ChatGPT Plus coding projects Codex codebase repository unit tests official documentation 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 |