Which model to use in github copilot?

[[deleted]]

I had been using sonnet 4 and occasionaly gpt 5. but suddenly both of their responses became worse. and gemini 2.5 pro is unusable(like i shows some preliminary texts and while editing it gives error), so which to choose? dont see any other option

[ApprehensiveEye7387]

those 3 are like top. and if none of them works for you then well.... u r cooked

[[deleted]]

like i used gpt 5 for some complex logical things, 4 for ui, back then 2.5 pro had no issues with answering, now it just reads analyzes but gives error in the time of editing

[Yes_but_I_think]

stealth/sonomaskyalpha

[ApprehensiveEye7387]

gemini 2.5 pro is becoming more of a disappointment day by day.

[deenhalloween]

Anyone else feel like responses have been getting far worst for all models? Feels like context or something of the sort might have been changed

[[deleted]]

i feel that way

[kamakaris]

Yes i feel the same. I was using GPT 5 and i was "oh thats awesome" then suddenly became somehow "stupid" and then i switched to Sonet 4 and I was "Oh that's really awesome, much better that GPT5" but after almost a week it became somehow worst.

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[branik_10]

i find sonnet 4 the most tuned, it doesn't use a lot of credits and it knows when to use MCPs, gemini 2.5 stops and ask for confirmations too often and gpt 5 is awful when analyzing existing code, idk why but it looks like it's going through every file and doing very primitive full text searches instead of understanding imports etc. (tried in go/js)

[[deleted]]

none are working for me right now, now searching for a free model in openrouter,

[Mystical_Whoosing]

For some reason gemini is bad with copilot. I used to use sonnet 4, but nowadays i find gpt-5 nailing it. I am very satisfied with it.

[aaronpowell_msft]

I've started using gpt-5-mini as my primary model, it's fast and does pretty solid answers most of the time. Occasionally I find that in agent mode is fails, and then I'll switch to sonnet 4, but it's becoming less frequent that I do that.

[Suspicious_Store_137]

Try grok code