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https://github.com/anomalyco/opencode.git
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fix(opencode): support sap-ai-core anthropic opus 4.7+ adaptive reasoning (#29991)
This commit is contained in:
Jérôme Benoit
@@ -597,10 +597,12 @@ function openaiCompatibleReasoningEfforts(id: string) {
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}
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function anthropicOpus47OrLater(apiId: string) {
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const version = /opus-(\d+)[.-](\d+)(?:[.@-]|$)/i.exec(apiId)
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// Matches "opus-4.7" (Anthropic/Bedrock/Vertex) and "claude-4.7-opus" (SAP AI Core inverted).
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// Greedy \d+ correctly extends to multi-digit majors (e.g. "claude-10.0-opus") for forward compatibility.
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const version = /opus-(\d+)[.-](\d+)(?:[.@-]|$)|claude-(\d+)[.-](\d+)-opus(?:[.@-]|$)/i.exec(apiId)
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if (!version) return false
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const major = Number(version[1])
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const minor = Number(version[2])
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const major = Number(version[1] ?? version[3])
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const minor = Number(version[2] ?? version[4])
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return major > 4 || (major === 4 && minor >= 7)
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}
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@@ -608,7 +610,18 @@ function anthropicAdaptiveEfforts(apiId: string): string[] | null {
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if (anthropicOpus47OrLater(apiId)) {
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return ["low", "medium", "high", "xhigh", "max"]
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}
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if (["opus-4-6", "opus-4.6", "sonnet-4-6", "sonnet-4.6"].some((v) => apiId.includes(v))) {
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if (
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[
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"opus-4-6",
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"opus-4.6",
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"4-6-opus",
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"4.6-opus",
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"sonnet-4-6",
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"sonnet-4.6",
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"4-6-sonnet",
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"4.6-sonnet",
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].some((v) => apiId.includes(v))
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) {
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return ["low", "medium", "high", "max"]
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}
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return null
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@@ -999,6 +1012,7 @@ export function variants(model: Provider.Model): Record<string, Record<string, a
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{
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thinking: {
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type: "adaptive",
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...(adaptiveOpus ? { display: "summarized" } : {}),
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},
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effort,
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},
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@@ -3581,142 +3581,86 @@ describe("ProviderTransform.variants", () => {
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})
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describe("@jerome-benoit/sap-ai-provider-v2", () => {
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test("anthropic models return thinking variants", () => {
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const model = createMockModel({
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id: "sap-ai-core/anthropic--claude-sonnet-4",
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const sapModel = (apiId: string) =>
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createMockModel({
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id: `sap-ai-core/${apiId}`,
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providerID: "sap-ai-core",
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api: {
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id: "anthropic--claude-sonnet-4",
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id: apiId,
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url: "https://api.ai.sap",
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npm: "@jerome-benoit/sap-ai-provider-v2",
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},
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})
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const result = ProviderTransform.variants(model)
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for (const testCase of [
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{
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name: "sonnet 4.6",
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apiIds: ["anthropic--claude-sonnet-4-6"],
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efforts: ["low", "medium", "high", "max"],
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expectedHigh: { thinking: { type: "adaptive" }, effort: "high" },
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},
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{
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name: "opus 4.6",
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apiIds: ["anthropic--claude-4.6-opus", "anthropic--claude-4-6-opus"],
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efforts: ["low", "medium", "high", "max"],
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expectedHigh: { thinking: { type: "adaptive" }, effort: "high" },
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},
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{
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name: "opus 4.7",
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apiIds: ["anthropic--claude-4.7-opus", "anthropic--claude-4-7-opus"],
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efforts: ["low", "medium", "high", "xhigh", "max"],
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expectedHigh: { thinking: { type: "adaptive", display: "summarized" }, effort: "high" },
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},
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{
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name: "opus 4.8",
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apiIds: ["anthropic--claude-4.8-opus", "anthropic--claude-4-8-opus"],
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efforts: ["low", "medium", "high", "xhigh", "max"],
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expectedHigh: { thinking: { type: "adaptive", display: "summarized" }, effort: "high" },
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},
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]) {
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for (const apiId of testCase.apiIds) {
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test(`${testCase.name} ${apiId} returns adaptive thinking variants`, () => {
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const result = ProviderTransform.variants(sapModel(apiId))
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expect(Object.keys(result)).toEqual(testCase.efforts)
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expect(result.high).toEqual(testCase.expectedHigh)
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if (testCase.efforts.includes("xhigh")) {
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expect(result.xhigh).toEqual({ ...testCase.expectedHigh, effort: "xhigh" })
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}
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})
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}
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}
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test("anthropic sonnet 4 returns budget-tokens variants", () => {
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const result = ProviderTransform.variants(sapModel("anthropic--claude-sonnet-4"))
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expect(Object.keys(result)).toEqual(["high", "max"])
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expect(result.high).toEqual({
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thinking: {
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type: "enabled",
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budgetTokens: 16000,
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},
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})
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expect(result.max).toEqual({
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thinking: {
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type: "enabled",
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budgetTokens: 31999,
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},
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})
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expect(result.high).toEqual({ thinking: { type: "enabled", budgetTokens: 16000 } })
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expect(result.max).toEqual({ thinking: { type: "enabled", budgetTokens: 31999 } })
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})
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test("anthropic 4.6 models return adaptive thinking variants", () => {
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const model = createMockModel({
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id: "sap-ai-core/anthropic--claude-sonnet-4-6",
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providerID: "sap-ai-core",
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api: {
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id: "anthropic--claude-sonnet-4-6",
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url: "https://api.ai.sap",
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npm: "@jerome-benoit/sap-ai-provider-v2",
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},
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})
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const result = ProviderTransform.variants(model)
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expect(Object.keys(result)).toEqual(["low", "medium", "high", "max"])
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expect(result.low).toEqual({
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thinking: {
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type: "adaptive",
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},
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effort: "low",
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})
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expect(result.max).toEqual({
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thinking: {
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type: "adaptive",
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},
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effort: "max",
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})
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})
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test("gemini 2.5 models return thinkingConfig variants", () => {
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const model = createMockModel({
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id: "sap-ai-core/gcp--gemini-2.5-pro",
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providerID: "sap-ai-core",
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api: {
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id: "gcp--gemini-2.5-pro",
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url: "https://api.ai.sap",
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npm: "@jerome-benoit/sap-ai-provider-v2",
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},
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})
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const result = ProviderTransform.variants(model)
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test("gemini 2.5 returns thinkingConfig variants", () => {
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const result = ProviderTransform.variants(sapModel("gcp--gemini-2.5-pro"))
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expect(Object.keys(result)).toEqual(["high", "max"])
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expect(result.high).toEqual({
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thinkingConfig: {
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includeThoughts: true,
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thinkingBudget: 16000,
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},
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})
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expect(result.max).toEqual({
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thinkingConfig: {
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includeThoughts: true,
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thinkingBudget: 24576,
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},
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})
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expect(result.high).toEqual({ thinkingConfig: { includeThoughts: true, thinkingBudget: 16000 } })
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expect(result.max).toEqual({ thinkingConfig: { includeThoughts: true, thinkingBudget: 24576 } })
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})
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test("gpt models return reasoningEffort variants", () => {
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const model = createMockModel({
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id: "sap-ai-core/azure-openai--gpt-4o",
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providerID: "sap-ai-core",
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api: {
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id: "azure-openai--gpt-4o",
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url: "https://api.ai.sap",
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npm: "@jerome-benoit/sap-ai-provider-v2",
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},
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for (const apiId of ["azure-openai--gpt-4o", "azure-openai--o3-mini"]) {
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test(`${apiId} returns reasoningEffort variants`, () => {
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const result = ProviderTransform.variants(sapModel(apiId))
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expect(Object.keys(result)).toEqual(["low", "medium", "high"])
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expect(result.low).toEqual({ reasoningEffort: "low" })
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expect(result.high).toEqual({ reasoningEffort: "high" })
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})
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const result = ProviderTransform.variants(model)
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expect(Object.keys(result)).toEqual(["low", "medium", "high"])
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expect(result.low).toEqual({ reasoningEffort: "low" })
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expect(result.high).toEqual({ reasoningEffort: "high" })
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})
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}
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test("o-series models return reasoningEffort variants", () => {
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const model = createMockModel({
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id: "sap-ai-core/azure-openai--o3-mini",
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providerID: "sap-ai-core",
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api: {
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id: "azure-openai--o3-mini",
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url: "https://api.ai.sap",
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npm: "@jerome-benoit/sap-ai-provider-v2",
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},
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for (const apiId of ["perplexity--sonar-pro", "mistral--mistral-large"]) {
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test(`${apiId} returns empty object`, () => {
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expect(ProviderTransform.variants(sapModel(apiId))).toEqual({})
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})
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const result = ProviderTransform.variants(model)
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expect(Object.keys(result)).toEqual(["low", "medium", "high"])
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expect(result.low).toEqual({ reasoningEffort: "low" })
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expect(result.high).toEqual({ reasoningEffort: "high" })
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})
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}
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test("sonar models return empty object", () => {
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const model = createMockModel({
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id: "sap-ai-core/perplexity--sonar-pro",
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providerID: "sap-ai-core",
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api: {
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id: "perplexity--sonar-pro",
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url: "https://api.ai.sap",
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npm: "@jerome-benoit/sap-ai-provider-v2",
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},
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})
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const result = ProviderTransform.variants(model)
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expect(result).toEqual({})
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})
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test("mistral models return empty object", () => {
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const model = createMockModel({
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id: "sap-ai-core/mistral--mistral-large",
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providerID: "sap-ai-core",
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api: {
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id: "mistral--mistral-large",
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url: "https://api.ai.sap",
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npm: "@jerome-benoit/sap-ai-provider-v2",
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},
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})
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const result = ProviderTransform.variants(model)
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expect(result).toEqual({})
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test("non-anthropic models with opus-like substrings do not get adaptive thinking", () => {
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expect(ProviderTransform.variants(sapModel("aws--llama-opus-4.7-fake"))).toEqual({})
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})
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})
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