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Fix Claude 4 Sonnet context window token count display #5727

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Fix Claude 4 Sonnet context window token count display #5727

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4 changes: 2 additions & 2 deletions packages/types/src/providers/anthropic.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ export const anthropicDefaultModelId: AnthropicModelId = "claude-sonnet-4-202505
export const anthropicModels = {
"claude-sonnet-4-20250514": {
maxTokens: 64_000, // Overridden to 8k if `enableReasoningEffort` is false.
contextWindow: 200_000,
contextWindow: 1_000_000, // 1M token context window
supportsImages: true,
supportsComputerUse: true,
supportsPromptCache: true,
Expand All @@ -20,7 +20,7 @@ export const anthropicModels = {
},
"claude-opus-4-20250514": {
maxTokens: 32_000, // Overridden to 8k if `enableReasoningEffort` is false.
contextWindow: 200_000,
contextWindow: 1_000_000, // 1M token context window
supportsImages: true,
supportsComputerUse: true,
supportsPromptCache: true,
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4 changes: 2 additions & 2 deletions packages/types/src/providers/bedrock.ts
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Expand Up @@ -69,7 +69,7 @@ export const bedrockModels = {
},
"anthropic.claude-sonnet-4-20250514-v1:0": {
maxTokens: 8192,
contextWindow: 200_000,
contextWindow: 1_000_000, // 1M token context window
supportsImages: true,
supportsComputerUse: true,
supportsPromptCache: true,
Expand All @@ -84,7 +84,7 @@ export const bedrockModels = {
},
"anthropic.claude-opus-4-20250514-v1:0": {
maxTokens: 8192,
contextWindow: 200_000,
contextWindow: 1_000_000, // 1M token context window
supportsImages: true,
supportsComputerUse: true,
supportsPromptCache: true,
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2 changes: 1 addition & 1 deletion packages/types/src/providers/openrouter.ts
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Expand Up @@ -5,7 +5,7 @@ export const openRouterDefaultModelId = "anthropic/claude-sonnet-4"

export const openRouterDefaultModelInfo: ModelInfo = {
maxTokens: 8192,
contextWindow: 200_000,
contextWindow: 1_000_000, // 1M token context window for Claude 4 Sonnet
supportsImages: true,
supportsComputerUse: true,
supportsPromptCache: true,
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4 changes: 2 additions & 2 deletions packages/types/src/providers/vertex.ts
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Expand Up @@ -165,7 +165,7 @@ export const vertexModels = {
},
"claude-sonnet-4@20250514": {
maxTokens: 8192,
contextWindow: 200_000,
contextWindow: 1_000_000, // 1M token context window
supportsImages: true,
supportsComputerUse: true,
supportsPromptCache: true,
Expand All @@ -177,7 +177,7 @@ export const vertexModels = {
},
"claude-opus-4@20250514": {
maxTokens: 8192,
contextWindow: 200_000,
contextWindow: 1_000_000, // 1M token context window
supportsImages: true,
supportsComputerUse: true,
supportsPromptCache: true,
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8 changes: 7 additions & 1 deletion src/api/providers/fetchers/litellm.ts
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Expand Up @@ -51,9 +51,15 @@ export async function getLiteLLMModels(apiKey: string, baseUrl: string): Promise
)
}

// Determine default context window based on model
let defaultContextWindow = 200000
if (litellmModelName.includes("claude-sonnet-4") || litellmModelName.includes("claude-opus-4")) {
defaultContextWindow = 1000000 // 1M tokens for Claude 4 models
}

models[modelName] = {
maxTokens: modelInfo.max_tokens || 8192,
contextWindow: modelInfo.max_input_tokens || 200000,
contextWindow: modelInfo.max_input_tokens || defaultContextWindow,
supportsImages: Boolean(modelInfo.supports_vision),
// litellm_params.model may have a prefix like openrouter/
supportsComputerUse,
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2 changes: 1 addition & 1 deletion src/core/webview/__tests__/ClineProvider.spec.ts
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Expand Up @@ -2216,7 +2216,7 @@ describe("getTelemetryProperties", () => {
mockCline.api = {
getModel: vi.fn().mockReturnValue({
id: "claude-sonnet-4-20250514",
info: { contextWindow: 200000 },
info: { contextWindow: 1000000 },
}),
}
})
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