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added logic and documentation updates for claude 4 models
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‎README.md‎

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@@ -130,10 +130,10 @@ Invoke-AmazonNovaTextModel -Message 'Explain zero-point energy.' -ModelID 'amazo
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```powershell
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#------------------------------------------------------------------------------------------------
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# Sends a text message to the on-demand Anthropic model in the specified AWS region and returns the response.
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Invoke-AnthropicModel -Message 'Explain zero-point energy.' -ModelID 'anthropic.claude-3-5-haiku-20241022-v1:0' -Credential $awsCredential -Region 'us-west-2'
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Invoke-AnthropicModel -Message 'Explain zero-point energy.' -ModelID 'anthropic.claude-sonnet-4-20250514-v1:0' -Credential $awsCredential -Region 'us-west-2'
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#------------------------------------------------------------------------------------------------
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# Sending a media file to an Anthropic model and retrieving the response
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Invoke-AnthropicModel -Message 'What can you tell me about this picture?' -ModelID 'anthropic.claude-3-5-sonnet-20241022-v2:0' -MediaPath 'C:\images\tanagra.jpg' -Credential $awsCredential -Region 'us-west-2'
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Invoke-AnthropicModel -Message 'What can you tell me about this picture?' -ModelID 'anthropic.claude-sonnet-4-20250514-v1:0' -MediaPath 'C:\images\tanagra.jpg' -Credential $awsCredential -Region 'us-west-2'
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#------------------------------------------------------------------------------------------------
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```
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‎docs/Invoke-AnthropicModel.md‎

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@@ -69,23 +69,23 @@ See the pwshBedrock documentation for more information on Function Calling and t
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### EXAMPLE 1
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```powershell
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Invoke-AnthropicModel -Message 'Explain zero-point energy.' -ModelID 'anthropic.claude-3-5-haiku-20241022-v1:0' -Credential $awsCredential -Region 'us-west-2'
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Invoke-AnthropicModel -Message 'Explain zero-point energy.' -ModelID 'anthropic.claude-sonnet-4-20250514-v1:0' -Credential $awsCredential -Region 'us-west-2'
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```
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Sends a text message to the on-demand Anthropic model in the specified AWS region and returns the response.
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### EXAMPLE 2
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```powershell
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Invoke-AnthropicModel -Message 'Explain zero-point energy.' -ModelID 'anthropic.claude-3-5-haiku-20241022-v1:0' -ProfileName default -Region 'us-west-2' -ReturnFullObject
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Invoke-AnthropicModel -Message 'Explain zero-point energy.' -ModelID 'anthropic.claude-sonnet-4-20250514-v1:0' -ProfileName default -Region 'us-west-2' -ReturnFullObject
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```
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Sends a text message to the on-demand Anthropic model in the specified AWS region and returns the full response object.
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### EXAMPLE 3
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```powershell
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Invoke-AnthropicModel -Message 'Explain zero-point energy.' -ModelID 'anthropic.claude-3-5-haiku-20241022-v1:0' -ProfileName default -Region 'us-west-2' -NoContextPersist
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Invoke-AnthropicModel -Message 'Explain zero-point energy.' -ModelID 'anthropic.claude-sonnet-4-20250514-v1:0' -ProfileName default -Region 'us-west-2' -NoContextPersist
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```
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Sends a text message to the on-demand Anthropic model in the specified AWS region without persisting the conversation context history.
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```powershell
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$invokeAnthropicModelSplat = @{
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Message = 'What can you tell me about this picture? Is it referencing something?'
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ModelID = 'anthropic.claude-3-sonnet-20240229-v1:0'
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ModelID = 'anthropic.claude-sonnet-4-20250514-v1:0'
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MediaPath = 'C:\images\tanagra.jpg'
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AccessKey = 'xxxxxxxxxxxxxxxxxxxx'
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SecretKey = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
@@ -112,7 +112,7 @@ Sends a text message with a media file to the on-demand Anthropic model in the s
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```powershell
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$invokeAnthropicModelSplat = @{
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Message = 'Give a brief synopsis to your class of students of what this picture represented a hundreds years ago.'
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ModelID = 'anthropic.claude-3-sonnet-20240229-v1:0'
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ModelID = 'anthropic.claude-sonnet-4-20250514-v1:0'
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MediaPath = 'C:\images\tanagra.jpg'
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Temperature = 1
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SystemPrompt = 'You are a historian from the future who has studied the provided photo for many years.'
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```powershell
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$invokeAnthropicModelSplat = @{
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Message = 'Can you name all of the Star Fleet captains featured in the various shows over the years?'
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ModelID = 'anthropic.claude-3-sonnet-20240229-v1:0'
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ModelID = 'anthropic.claude-sonnet-4-20250514-v1:0'
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SystemPrompt = 'You are an expert on all things Star Trek, having studied the show for decades. You often win Star Trek Trivia contests and enjoy sharing your vast knowledge of Star Trek with others.'
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Temperature = 1
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StopSequences = 'Picard'
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```powershell
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$invokeAnthropicModelSplat = @{
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Message = 'Can you name all of the Star Fleet captains featured in the various shows over the years?'
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ModelID = 'anthropic.claude-3-7-sonnet-20250219-v1:0'
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ModelID = 'anthropic.claude-opus-4-20250514-v1:0'
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SystemPrompt = 'You are an expert on all things Star Trek, having studied the show for decades. You often win Star Trek Trivia contests and enjoy sharing your vast knowledge of Star Trek with others.'
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Thinking = $true
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ThinkingBudgetTokens = 2000
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```powershell
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$invokeAnthropicModelSplat = @{
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Message = 'Can you name all of the Star Fleet captains featured in the various shows over the years?'
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ModelID = 'anthropic.claude-3-5-sonnet-20240620-v1:0'
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ModelID = 'anthropic.claude-sonnet-4-20250514-v1:0'
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SystemPrompt = 'You are an expert on all things Star Trek, having studied the show for decades. You often win Star Trek Trivia contests and enjoy sharing your vast knowledge of Star Trek with others.'
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Tools = $starTrekTriviaFunctionTool
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ToolChoice = 'auto'
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```powershell
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$invokeAnthropicModelSplat = @{
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ToolsResults = $standardToolResult
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ModelID = 'anthropic.claude-3-5-sonnet-20240620-v1:0'
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ModelID = 'anthropic.claude-sonnet-4-20250514-v1:0'
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Credential = $credential
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Region = 'us-west-2'
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}
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### -Thinking
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Claude will show its reasoning process through thinking content blocks in the response.
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This switch is only available for Claude 3.7 model.
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This switch is available for Claude 3.7 and Claude 4 models.
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Thinking is not compatible with temperature, top_p, or top_k modifications, as well as forced tool use.
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Thinking is only viewable in the full response object, and will not be included in the message history context or the message reply.
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Maximum number of tokens that Claude may use for its internal reasoning process.
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thinking budget tokens must always be less than the max tokens you specify in your request.
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This is a required parameter when using the Thinking switch.
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This parameter is only available for Claude 3.7 model.
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This parameter is available for Claude 3.7 and Claude 4 models.
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This parameter has no effect if not using the Thinking switch.
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```yaml
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[https://docs.aws.amazon.com/bedrock/latest/userguide/model-parameters-anthropic-claude-messages.html](https://docs.aws.amazon.com/bedrock/latest/userguide/model-parameters-anthropic-claude-messages.html)
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[https://docs.aws.amazon.com/bedrock/latest/userguide/model-parameters-anthropic-claude-37.html](https://docs.aws.amazon.com/bedrock/latest/userguide/model-parameters-anthropic-claude-37.html)
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[https://docs.aws.amazon.com/bedrock/latest/userguide/claude-messages-extended-thinking.html](https://docs.aws.amazon.com/bedrock/latest/userguide/claude-messages-extended-thinking.html)
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[https://docs.anthropic.com/en/docs/models-overview](https://docs.anthropic.com/en/docs/models-overview)
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‎docs/index.md‎

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@@ -110,10 +110,10 @@ Invoke-AmazonNovaTextModel -Message 'Explain zero-point energy.' -ModelID 'amazo
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```powershell
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#------------------------------------------------------------------------------------------------
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# Sends a text message to the on-demand Anthropic model in the specified AWS region and returns the response.
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Invoke-AnthropicModel -Message 'Explain zero-point energy.' -ModelID 'anthropic.claude-3-5-haiku-20241022-v1:0' -Credential $awsCredential -Region 'us-west-2'
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Invoke-AnthropicModel -Message 'Explain zero-point energy.' -ModelID 'anthropic.claude-sonnet-4-20250514-v1:0' -Credential $awsCredential -Region 'us-west-2'
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#------------------------------------------------------------------------------------------------
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# Sending a media file to an Anthropic model and retrieving the response
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Invoke-AnthropicModel -Message 'What can you tell me about this picture?' -ModelID 'anthropic.claude-3-5-sonnet-20241022-v2:0' -MediaPath 'C:\images\tanagra.jpg' -Credential $awsCredential -Region 'us-west-2'
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Invoke-AnthropicModel -Message 'What can you tell me about this picture?' -ModelID 'anthropic.claude-sonnet-4-20250514-v1:0' -MediaPath 'C:\images\tanagra.jpg' -Credential $awsCredential -Region 'us-west-2'
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#------------------------------------------------------------------------------------------------
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```
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‎src/Tests/Integration/Anthropic.Tests.ps1‎

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Write-Verbose -Message $eval.content.text
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} #it
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It 'should return an object with thinking and reasoning when provided a standard message for <_.ModelID>' -Foreach ($script:anthropicModelInfo | Where-Object { $_.ModelID -eq 'anthropic.claude-3-7-sonnet-20250219-v1:0' }) {
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It 'should return an object with thinking and reasoning when provided a standard message for <_.ModelID>' -Foreach ($script:anthropicModelInfo | Where-Object { $_.ModelID -eq 'anthropic.claude-3-7-sonnet-20250219-v1:0' -or $_.ModelID -like 'anthropic.claude-*-4*' }) {
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$ModelID = $_.ModelID
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$invokeAnthropicModelSplat = @{
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Message = 'Return the number 1 as a string'

‎src/Tests/Unit/Public/Invoke-AnthropicModel.Tests.ps1‎

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} | Should -Throw
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} #it
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It 'should throw if Thinking parameter is used with a non-Claude 3.7 model' {
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It 'should throw if Thinking parameter is used with an unsupported model' {
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{
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$invokeAnthropicModelSplat = @{
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Message = 'Tell me about the universe.'
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Region = 'us-west-2'
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}
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Invoke-AnthropicModel @invokeAnthropicModelSplat
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} | Should -Throw -ExpectedMessage 'Thinking is only available for the Claude 3.7 model.'
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} | Should -Throw -ExpectedMessage 'Thinking is only available for Claude 3.7 and Claude 4 models.'
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} #it
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It 'should throw if Thinking parameter is used without ThinkingBudgetTokens' {
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Invoke-AnthropicModel @invokeAnthropicModelSplat | Should -InvokeVerifiable
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} #it
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It 'should successfully use Thinking with Claude 4 Opus model' {
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$invokeAnthropicModelSplat = @{
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Message = 'Explain quantum mechanics.'
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ModelID = 'anthropic.claude-opus-4-20250514-v1:0'
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Thinking = $true
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ThinkingBudgetTokens = 2000
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AccessKey = 'ak'
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SecretKey = 'sk'
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Region = 'us-west-2'
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}
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$result = Invoke-AnthropicModel @invokeAnthropicModelSplat
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$result | Should -BeOfType [System.String]
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$result | Should -BeExactly 'Hello! I am an AI language model.'
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} #it
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It 'should successfully use Thinking with Claude 4 Sonnet model' {
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$invokeAnthropicModelSplat = @{
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Message = 'Explain quantum mechanics.'
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ModelID = 'anthropic.claude-sonnet-4-20250514-v1:0'
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Thinking = $true
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ThinkingBudgetTokens = 1500
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AccessKey = 'ak'
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SecretKey = 'sk'
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Region = 'us-west-2'
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}
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$result = Invoke-AnthropicModel @invokeAnthropicModelSplat
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$result | Should -BeOfType [System.String]
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$result | Should -BeExactly 'Hello! I am an AI language model.'
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} #it
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It 'should successfully use Thinking with Claude 3.7 model' {
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$invokeAnthropicModelSplat = @{
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Message = 'Explain quantum mechanics.'
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ModelID = 'anthropic.claude-3-7-sonnet-20250219-v1:0'
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Thinking = $true
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ThinkingBudgetTokens = 1024
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AccessKey = 'ak'
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SecretKey = 'sk'
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Region = 'us-west-2'
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}
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$result = Invoke-AnthropicModel @invokeAnthropicModelSplat
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$result | Should -BeOfType [System.String]
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$result | Should -BeExactly 'Hello! I am an AI language model.'
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} #it
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} #context_Success
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} #describe_Invoke-AnthropicModel

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