Where does the bug appear (feature/product)? Cursor IDE Describe the Bug Only during exploration, even though I have my subagent and explore agent model set to composer 2.5 (not fast), it always default to 2.5 fast. Seeing as the fast variant takes ~3x more usage than the normal variant, for us on …

Hey, thanks for the report and the clear steps. This is a known regression. The explore subagent set via the UI with Fast turned off still resolves to Composer 2.5 Fast. I can reproduce it, and we’re tracking it on our side, but I don’t have an ETA yet. Related threads for context: Sub-agent mode…

same bug being observed in 3.6.31. This is a bad one as it actually racks up a lot of extra costs for long-horizon tasks where subagents keep getting spawned. The only solution was to switch to a non-fast model in the settings

Thanks, confirmed. This is the same regression described above, and it still reproduces on 3.6.31. We’ve reported it internally and are tracking it, but there’s no exact ETA for a fix yet. On costs, I get it. In long tasks where subagents keep spawning, the Fast variant can really add up. As a temp…

sorry for the duplicate, this is costing quite a bit more !! [image] Explorer agent using Fast instead of normal ($$$) Bug Reports Where does the bug appear (feature/product)? Cursor IDE Describe the Bug When doing big tasks since the grok or gpt5.6 release, t…

Explore agents ignoring model variant

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alix (Alix Rocheleau) July 10, 2026, 2:22pm 10

sorry for the duplicate, this is costing quite a bit more !!

Topic		Replies	Views
Explorer agent using Fast instead of normal ($$$) Bug Reports composer , subagents	1	53	July 10, 2026
Subagents are using Expensive Opus 4.78Max Fast but in the Model toggle is Composer 2.5 Fast Bug Reports anthropic , composer , subagents	2	138	June 15, 2026
Subagent Model Choice Not Respected Bug Reports composer , subagents	11	278	July 24, 2026
Parent agent overrides subagent model settings by explicitly passing model to Task tool - It used all of my api budget Bug Reports anthropic , composer , subagents , multitask	7	279	June 10, 2026
Setting an explorer agent doesnt work Bug Reports plan-mode , composer , subagents	3	46	June 17, 2026

Explore agents ignoring model variant

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