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Add support for claude sonnet and opus v4 #13

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May 28, 2025
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Add support for claude sonnet and opus v4 #13

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37 changes: 36 additions & 1 deletion swift-bedrock-library/Sources/BedrockService/Models/Anthropic/AnthropicBedrockModels.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -24,9 +24,12 @@ typealias ClaudeV3_5Haiku = AnthropicText
typealias ClaudeV3Opus = AnthropicText
typealias ClaudeV3_5Sonnet = AnthropicText
typealias ClaudeV3_7Sonnet = AnthropicText
typealias Claude_Sonnet_v4 = AnthropicText
typealias Claude_Opus_v4 = AnthropicText

// text
// https://docs.aws.amazon.com/bedrock/latest/userguide/model-parameters-anthropic-claude-messages.html
// https://docs.anthropic.com/en/docs/about-claude/models/overview

extension BedrockModel {
public static let instant: BedrockModel = BedrockModel(
Expand Down Expand Up @@ -170,7 +173,39 @@ extension BedrockModel {
modality: ClaudeV3_7Sonnet(
parameters: TextGenerationParameters(
temperature: Parameter(.temperature, minValue: 0, maxValue: 1, defaultValue: 1),
maxTokens: Parameter(.maxTokens, minValue: 1, maxValue: 8_192, defaultValue: 8_192),
maxTokens: Parameter(.maxTokens, minValue: 1, maxValue: 64_000, defaultValue: 8_192),
topP: Parameter(.topP, minValue: 0, maxValue: 1, defaultValue: 0.999),
topK: Parameter(.topK, minValue: 0, maxValue: 500, defaultValue: 0),
stopSequences: StopSequenceParams(maxSequences: 8191, defaultValue: []),
maxPromptSize: 200_000
),
features: [.textGeneration, .systemPrompts, .document, .vision, .toolUse, .reasoning],
maxReasoningTokens: Parameter(.maxReasoningTokens, minValue: 1_024, maxValue: 8_191, defaultValue: 4_096)
)
)
public static let claude_sonnet_v4: BedrockModel = BedrockModel(
id: "us.anthropic.claude-sonnet-4-20250514-v1:0",
name: "Claude Sonnet v4",
modality: Claude_Sonnet_v4(
parameters: TextGenerationParameters(
temperature: Parameter(.temperature, minValue: 0, maxValue: 1, defaultValue: 1),
maxTokens: Parameter(.maxTokens, minValue: 1, maxValue: 64_000, defaultValue: 8_192),
topP: Parameter(.topP, minValue: 0, maxValue: 1, defaultValue: 0.999),
topK: Parameter(.topK, minValue: 0, maxValue: 500, defaultValue: 0),
stopSequences: StopSequenceParams(maxSequences: 8191, defaultValue: []),
maxPromptSize: 200_000
),
features: [.textGeneration, .systemPrompts, .document, .vision, .toolUse, .reasoning],
maxReasoningTokens: Parameter(.maxReasoningTokens, minValue: 1_024, maxValue: 8_191, defaultValue: 4_096)
)
)
public static let claude_opus_v4: BedrockModel = BedrockModel(
id: "us.anthropic.claude-opus-4-20250514-v1:0",
name: "Claude Opus v4",
modality: Claude_Opus_v4(
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Copilot AI May 28, 2025

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The claude_opus_v4 block omits maxPromptSize, features, and maxReasoningTokens parameters present in the claude_sonnet_v4 definition; add them to maintain consistent behavior.

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parameters: TextGenerationParameters(
temperature: Parameter(.temperature, minValue: 0, maxValue: 1, defaultValue: 1),
maxTokens: Parameter(.maxTokens, minValue: 1, maxValue: 32_000, defaultValue: 8_192),
topP: Parameter(.topP, minValue: 0, maxValue: 1, defaultValue: 0.999),
topK: Parameter(.topK, minValue: 0, maxValue: 500, defaultValue: 0),
stopSequences: StopSequenceParams(maxSequences: 8191, defaultValue: []),
Expand Down