simstudioai · waleedlatif1 · Jun 12, 2026 · Jun 12, 2026 · Jun 12, 2026 · Jun 12, 2026
diff --git a/apps/sim/app/(landing)/models/utils.test.ts b/apps/sim/app/(landing)/models/utils.test.ts
@@ -38,7 +38,7 @@ describe('model catalog capability facts', () => {
 
   it.concurrent('keeps best-for copy for clearly differentiated models only', () => {
     const researchModel = getModelBySlug('google', 'deep-research-pro-preview-12-2025')
-    const generalModel = getModelBySlug('xai', 'grok-4-latest')
+    const generalModel = getModelBySlug('mistral', 'mistral-medium-latest')
 
     expect(researchModel).not.toBeNull()
     expect(generalModel).not.toBeNull()

diff --git a/apps/sim/blocks/blocks/agent.ts b/apps/sim/blocks/blocks/agent.ts
@@ -412,6 +412,28 @@ Return ONLY the JSON array.`,
         })(),
       }),
     },
+    {
+      id: 'temperature',
+      title: 'Temperature',
+      type: 'slider',
+      min: 0,
+      max: 1.5,
+      defaultValue: 0.3,
+      mode: 'advanced',
+      condition: () => ({
+        field: 'model',
+        value: (() => {
+          const deepResearch = new Set(MODELS_WITH_DEEP_RESEARCH.map((m) => m.toLowerCase()))
+          const allModels = Object.keys(getBaseModelProviders())
+          return allModels.filter(
+            (model) =>
+              supportsTemperature(model) &&
+              getMaxTemperature(model) === 1.5 &&
+              !deepResearch.has(model.toLowerCase())
+          )
+        })(),
+      }),
+    },
     {
       id: 'temperature',
       title: 'Temperature',

diff --git a/apps/sim/providers/bedrock/utils.test.ts b/apps/sim/providers/bedrock/utils.test.ts
@@ -0,0 +1,46 @@
+/**
+ * @vitest-environment node
+ */
+import { describe, expect, it } from 'vitest'
+import { getBedrockInferenceProfileId } from '@/providers/bedrock/utils'
+
+describe('getBedrockInferenceProfileId', () => {
+  it.concurrent('prefixes geo inference profile for models that require it', () => {
+    expect(
+      getBedrockInferenceProfileId('bedrock/anthropic.claude-sonnet-4-5-20250929-v1:0', 'us-east-1')
+    ).toBe('us.anthropic.claude-sonnet-4-5-20250929-v1:0')
+    expect(getBedrockInferenceProfileId('bedrock/amazon.nova-pro-v1:0', 'eu-west-1')).toBe(
+      'eu.amazon.nova-pro-v1:0'
+    )
+    expect(
+      getBedrockInferenceProfileId('bedrock/meta.llama4-scout-17b-instruct-v1:0', 'us-west-2')
+    ).toBe('us.meta.llama4-scout-17b-instruct-v1:0')
+  })
+
+  it.concurrent('returns already-prefixed inference profile IDs unchanged', () => {
+    expect(
+      getBedrockInferenceProfileId('us.anthropic.claude-sonnet-4-5-20250929-v1:0', 'us-east-1')
+    ).toBe('us.anthropic.claude-sonnet-4-5-20250929-v1:0')
+    expect(getBedrockInferenceProfileId('global.amazon.nova-2-lite-v1:0', 'us-east-1')).toBe(
+      'global.amazon.nova-2-lite-v1:0'
+    )
+  })
+
+  it.concurrent('returns the bare model ID for models without geo profile support', () => {
+    expect(
+      getBedrockInferenceProfileId('bedrock/mistral.mistral-large-3-675b-instruct', 'us-east-1')
+    ).toBe('mistral.mistral-large-3-675b-instruct')
+    expect(
+      getBedrockInferenceProfileId('bedrock/mistral.ministral-3-8b-instruct', 'eu-west-1')
+    ).toBe('mistral.ministral-3-8b-instruct')
+    expect(getBedrockInferenceProfileId('bedrock/cohere.command-r-plus-v1:0', 'us-east-1')).toBe(
+      'cohere.command-r-plus-v1:0'
+    )
+    expect(
+      getBedrockInferenceProfileId('bedrock/mistral.mixtral-8x7b-instruct-v0:1', 'ap-southeast-1')
+    ).toBe('mistral.mixtral-8x7b-instruct-v0:1')
+    expect(
+      getBedrockInferenceProfileId('bedrock/amazon.titan-text-premier-v1:0', 'us-east-1')
+    ).toBe('amazon.titan-text-premier-v1:0')
+  })
+})
diff --git a/apps/sim/providers/bedrock/utils.ts b/apps/sim/providers/bedrock/utils.ts
@@ -81,10 +81,31 @@ export function generateToolUseId(toolName: string): string {
   return `${truncatedName}${suffix}`
 }
 
+/**
+ * Models whose AWS model cards state geo/cross-region inference profiles are
+ * not supported ("Geo inference ID: Not supported"). These must be invoked
+ * with the bare in-region model ID — prefixing them with a geo profile
+ * (e.g. us.mistral...) produces an invalid model identifier.
+ */
+const GEO_PROFILE_UNSUPPORTED_MODEL_IDS = new Set([
+  'mistral.mistral-large-3-675b-instruct',
+  'mistral.mistral-large-2411-v1:0',
+  'mistral.mistral-large-2407-v1:0',
+  'mistral.magistral-small-2509',
+  'mistral.ministral-3-14b-instruct',
+  'mistral.ministral-3-8b-instruct',
+  'mistral.ministral-3-3b-instruct',
+  'mistral.mixtral-8x7b-instruct-v0:1',
+  'amazon.titan-text-premier-v1:0',
+  'cohere.command-r-v1:0',
+  'cohere.command-r-plus-v1:0',
+])
+
 /**
  * Converts a model ID to the Bedrock inference profile format.
  * AWS Bedrock requires inference profile IDs (e.g., us.anthropic.claude-...)
- * for on-demand invocation of newer models.
+ * for on-demand invocation of newer models, while some models only accept
+ * the bare in-region model ID.
  *
  * @param modelId - The model ID (e.g., "bedrock/anthropic.claude-sonnet-4-5-20250929-v1:0")
  * @param region - The AWS region (e.g., "us-east-1")
@@ -97,6 +118,10 @@ export function getBedrockInferenceProfileId(modelId: string, region: string): s
     return baseModelId
   }
 
+  if (GEO_PROFILE_UNSUPPORTED_MODEL_IDS.has(baseModelId)) {
+    return baseModelId
+  }
+
   let inferencePrefix: string
   if (region.startsWith('us-gov-')) {
     inferencePrefix = 'us-gov'