phase7: cheapestModel prefers non-reasoning models for utility calls (+ regression test)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

simon-pierre boucher committed 1 mo ago (Jul 30, 2026) parent 0f1d677

2 changed files +18 −3

modified Sources/ZyquoCloud/Services/ModelCatalog.swift +5 −3

		`@@ -36,10 +36,12 @@ final class ModelCatalog: ObservableObject {`
36	36	}
37	37
38	38	/// Cheapest non-legacy chat model for a provider (used for key tests and
39		− /// auto-title generation).
	39	+ /// auto-title generation). Non-reasoning models are preferred — reasoning
	40	+ /// models burn their token budget thinking, useless for tiny utility calls.
40	41	func cheapestModel(for provider: ProviderID) -> AIModel? {
41		− models(for: provider)
42		− .filter { !$0.isLegacy }
	42	+ let candidates = models(for: provider).filter { !$0.isLegacy }
	43	+ let plain = candidates.filter { !$0.capabilities.reasoning }
	44	+ return (plain.isEmpty ? candidates : plain)
43	45	.min { ($0.pricing?.outputPerMTok ?? .infinity) < ($1.pricing?.outputPerMTok ?? .infinity) }
44	46	}
45	47

modified Tests/ZyquoCloudTests/ModelTests.swift +13 −0

		`@@ -77,6 +77,19 @@ import Testing`
77	77	#expect(message == "model not found")
78	78	}
79	79
	80	+ @Test @MainActor func cheapestModelPrefersNonReasoning() {
	81	+ let catalog = ModelCatalog()
	82	+ for provider in ProviderID.builtIn {
	83	+ guard let cheapest = catalog.cheapestModel(for: provider) else { continue }
	84	+ let plainExists = catalog.models(for: provider)
	85	+ .contains { !$0.isLegacy && !$0.capabilities.reasoning }
	86	+ if plainExists {
	87	+ #expect(!cheapest.capabilities.reasoning,
	88	+ "\(provider): utility calls must not use a reasoning model")
	89	+ }
	90	+ }
	91	+ }
	92	+
80	93	@Test func everyBuiltInProviderHasBaseURLAndFormat() {
81	94	for provider in ProviderID.builtIn {
82	95	#expect(provider.defaultBaseURL != nil, "\(provider) missing base URL")
83	96