feat(providers): add Claude Sonnet 5 model

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/editor/components/sub-block/components/combobox/combobox.tsx

@@ -23,7 +23,7 @@ import { useWorkflowStore } from '@/stores/workflows/workflow/store'
 /**
  * Constants for ComboBox component behavior
  */
-const DEFAULT_MODEL = 'claude-sonnet-4-6'
+const DEFAULT_MODEL = 'claude-sonnet-5'
 const ZOOM_FACTOR_BASE = 0.96
 const MIN_ZOOM = 0.1
 const MAX_ZOOM = 1
@@ -238,7 +238,7 @@ export const ComboBox = memo(function ComboBox({
 
   /**
    * Determines the default option value to use.
-   * Priority: explicit defaultValue > claude-sonnet-4-6 for model field > first option
+   * Priority: explicit defaultValue > claude-sonnet-5 for model field > first option
    */
   const defaultOptionValue = useMemo(() => {
     if (defaultValue !== undefined) {
@@ -250,7 +250,7 @@ export const ComboBox = memo(function ComboBox({
       // Default not available (e.g. provider disabled) — fall through to other fallbacks
     }
 
-    // For model field, default to claude-sonnet-4-6 if available
+    // For model field, default to claude-sonnet-5 if available
     if (subBlockId === 'model') {
       const defaultModelOption = evaluatedOptions.find(
         (opt) => getOptionValue(opt) === DEFAULT_MODEL

apps/sim/blocks/blocks.test.ts

@@ -510,7 +510,7 @@ describe.concurrent('Blocks Module', () => {
         expect(modelSubBlock).toBeDefined()
         expect(modelSubBlock?.type).toBe('combobox')
         expect(modelSubBlock?.required).toBe(true)
-        expect(modelSubBlock?.defaultValue).toBe('claude-sonnet-4-6')
+        expect(modelSubBlock?.defaultValue).toBe('claude-sonnet-5')
       })
 
       it('should have LLM tool access', () => {

apps/sim/blocks/blocks/agent.ts

@@ -130,7 +130,7 @@ Return ONLY the JSON array.`,
       type: 'combobox',
       placeholder: 'Type or select a model...',
       required: true,
-      defaultValue: 'claude-sonnet-4-6',
+      defaultValue: 'claude-sonnet-5',
       options: getModelOptions,
       commandSearchable: true,
     },
@@ -503,7 +503,7 @@ Return ONLY the JSON array.`,
     ],
     config: {
       tool: (params: Record<string, any>) => {
-        const model = params.model || 'claude-sonnet-4-6'
+        const model = params.model || 'claude-sonnet-5'
         if (!model) {
           throw new Error('No model selected')
         }

apps/sim/blocks/blocks/evaluator.ts

@@ -177,7 +177,7 @@ export const EvaluatorBlock: BlockConfig<EvaluatorResponse> = {
       type: 'combobox',
       placeholder: 'Type or select a model...',
       required: true,
-      defaultValue: 'claude-sonnet-4-6',
+      defaultValue: 'claude-sonnet-5',
       options: getModelOptions,
     },
     ...getProviderCredentialSubBlocks(),

apps/sim/blocks/blocks/pi.ts

@@ -93,7 +93,7 @@ export const PiBlock: BlockConfig<PiResponse> = {
       type: 'combobox',
       placeholder: 'Type or select a model...',
       required: true,
-      defaultValue: 'claude-sonnet-4-6',
+      defaultValue: 'claude-sonnet-5',
       options: getPiModelOptions,
       commandSearchable: true,
     },

apps/sim/blocks/blocks/router.ts

@@ -171,7 +171,7 @@ export const RouterBlock: BlockConfig<RouterResponse> = {
       type: 'combobox',
       placeholder: 'Type or select a model...',
       required: true,
-      defaultValue: 'claude-sonnet-4-6',
+      defaultValue: 'claude-sonnet-5',
       options: getModelOptions,
     },
     ...getProviderCredentialSubBlocks(),
@@ -298,7 +298,7 @@ export const RouterV2Block: BlockConfig<RouterV2Response> = {
       type: 'combobox',
       placeholder: 'Type or select a model...',
       required: true,
-      defaultValue: 'claude-sonnet-4-6',
+      defaultValue: 'claude-sonnet-5',
       options: getModelOptions,
     },
     ...getProviderCredentialSubBlocks(),

apps/sim/executor/constants.ts

@@ -207,7 +207,7 @@ export const HTTP = {
 } as const
 
 export const AGENT = {
-  DEFAULT_MODEL: 'claude-sonnet-4-6',
+  DEFAULT_MODEL: 'claude-sonnet-5',
   get DEFAULT_FUNCTION_TIMEOUT() {
     return getMaxExecutionTimeout()
   },
@@ -242,13 +242,13 @@ export const MEMORY = {
 } as const
 
 export const ROUTER = {
-  DEFAULT_MODEL: 'claude-sonnet-4-6',
+  DEFAULT_MODEL: 'claude-sonnet-5',
   DEFAULT_TEMPERATURE: 0,
   INFERENCE_TEMPERATURE: 0.1,
 } as const
 
 export const EVALUATOR = {
-  DEFAULT_MODEL: 'claude-sonnet-4-6',
+  DEFAULT_MODEL: 'claude-sonnet-5',
   DEFAULT_TEMPERATURE: 0.1,
   RESPONSE_SCHEMA_NAME: 'evaluation_response',
   JSON_INDENT: 2,

apps/sim/executor/handlers/evaluator/evaluator-handler.test.ts

@@ -481,7 +481,7 @@ describe('EvaluatorBlockHandler', () => {
         json: () =>
           Promise.resolve({
             content: JSON.stringify({ score: 7 }),
-            model: 'claude-sonnet-4-6',
+            model: 'claude-sonnet-5',
             tokens: {},
             cost: 0,
             timing: {},
@@ -494,6 +494,6 @@ describe('EvaluatorBlockHandler', () => {
     const fetchCallArgs = mockFetch.mock.calls[0]
     const requestBody = JSON.parse(fetchCallArgs[1].body)
 
-    expect(requestBody.model).toBe('claude-sonnet-4-6')
+    expect(requestBody.model).toBe('claude-sonnet-5')
   })
 })

apps/sim/executor/handlers/pi/pi-handler.ts

@@ -37,7 +37,7 @@ import type {
 import type { SerializedBlock } from '@/serializer/types'
 
 const logger = createLogger('PiBlockHandler')
-const DEFAULT_MODEL = 'claude-sonnet-4-6'
+const DEFAULT_MODEL = 'claude-sonnet-5'
 
 function asOptString(value: unknown): string | undefined {
   if (typeof value !== 'string') return undefined

apps/sim/executor/handlers/router/router-handler.test.ts

@@ -238,12 +238,12 @@ describe('RouterBlockHandler', () => {
 
     await handler.execute(mockContext, mockBlock, inputs)
 
-    expect(mockGetProviderFromModel).toHaveBeenCalledWith('claude-sonnet-4-6')
+    expect(mockGetProviderFromModel).toHaveBeenCalledWith('claude-sonnet-5')
 
     const fetchCallArgs = mockFetch.mock.calls[0]
     const requestBody = JSON.parse(fetchCallArgs[1].body)
     expect(requestBody).toMatchObject({
-      model: 'claude-sonnet-4-6',
+      model: 'claude-sonnet-5',
       temperature: 0.1,
     })
   })

apps/sim/lib/copilot/tools/server/workflow/edit-workflow/validation.test.ts

@@ -274,7 +274,7 @@ describe('validateInputsForBlock', () => {
     expect(result.errors).toHaveLength(1)
     expect(result.errors[0]?.field).toBe('model')
     expect(result.errors[0]?.error).toContain('Unknown model id')
-    expect(result.errors[0]?.error).toContain('claude-sonnet-4-6')
+    expect(result.errors[0]?.error).toContain('claude-sonnet-5')
   })
 
   it('rejects legacy claude-4.5-haiku style ids', () => {

apps/sim/providers/anthropic/core.ts

@@ -84,13 +84,15 @@ const THINKING_BUDGET_TOKENS: Record<string, number> = {
 
 /**
  * Checks if a model supports adaptive thinking (thinking.type: "adaptive").
+ * Sonnet 5 supports ONLY adaptive thinking (manual budget_tokens returns a 400 error).
  * Opus 4.8 and Opus 4.7 support ONLY adaptive thinking (no extended thinking / budget_tokens).
  * Opus 4.6 and Sonnet 4.6 support both extended and adaptive thinking — use adaptive.
  * Opus 4.5 supports effort but NOT adaptive thinking — it uses budget_tokens with type: "enabled".
  */
 function supportsAdaptiveThinking(modelId: string): boolean {
   const normalizedModel = modelId.toLowerCase()
   return (
+    normalizedModel.includes('sonnet-5') ||
     normalizedModel.includes('opus-4-8') ||
     normalizedModel.includes('opus-4.8') ||
     normalizedModel.includes('opus-4-7') ||
@@ -105,7 +107,7 @@ function supportsAdaptiveThinking(modelId: string): boolean {
 /**
  * Builds the thinking configuration for the Anthropic API based on model capabilities and level.
  *
- * - Opus 4.8, Opus 4.7: Uses adaptive thinking only (no extended thinking support)
+ * - Sonnet 5, Opus 4.8, Opus 4.7: Uses adaptive thinking only (no extended thinking support)
  * - Opus 4.6, Sonnet 4.6: Uses adaptive thinking with effort parameter
  * - Other models: Uses budget_tokens-based extended thinking
  *

apps/sim/providers/models.ts

@@ -661,14 +661,35 @@ export const PROVIDER_DEFINITIONS: Record<string, ProviderDefinition> = {
     fileAttachment: { maxBytes: 50 * 1024 * 1024, strategy: 'remote-url' },
     name: 'Anthropic',
     description: "Anthropic's Claude models",
-    defaultModel: 'claude-sonnet-4-6',
+    defaultModel: 'claude-sonnet-5',
     modelPatterns: [/^claude/],
     icon: AnthropicIcon,
     color: '#D97757',
     capabilities: {
       toolUsageControl: true,
     },
     models: [
+      {
+        id: 'claude-sonnet-5',
+        pricing: {
+          input: 2.0,
+          cachedInput: 0.2,
+          output: 10.0,
+          updatedAt: '2026-06-30',
+        },
+        capabilities: {
+          temperature: { min: 0, max: 1 },
+          nativeStructuredOutputs: true,
+          maxOutputTokens: 128000,
+          thinking: {
+            levels: ['low', 'medium', 'high', 'xhigh', 'max'],
+            default: 'high',
+          },
+        },
+        contextWindow: 1000000,
+        releaseDate: '2026-06-30',
+        recommended: true,
+      },
       {
         id: 'claude-opus-4-8',
         pricing: {
@@ -747,7 +768,6 @@ export const PROVIDER_DEFINITIONS: Record<string, ProviderDefinition> = {
         },
         contextWindow: 1000000,
         releaseDate: '2026-02-17',
-        recommended: true,
       },
       {
         id: 'claude-opus-4-5',