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fix(anthropic): stop inventing (latest) display-name suffix in sync #6434

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fix(anthropic): stop inventing (latest) display-name suffix in sync #6434

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2 changes: 1 addition & 1 deletion models/anthropic/claude-haiku-4-5.toml
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
name = "Claude Haiku 4.5 (latest)"
name = "Claude Haiku 4.5"
description = "Fast Claude lane for lightweight agents, office tasks, and responsive chat"
family = "claude-haiku"
release_date = "2025-10-15"
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2 changes: 1 addition & 1 deletion models/anthropic/claude-opus-4-0.toml
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
name = "Claude Opus 4 (latest)"
name = "Claude Opus 4"
description = "Flagship Claude model for deep reasoning, coding, and long-horizon agents"
family = "claude-opus"
release_date = "2025-05-22"
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2 changes: 1 addition & 1 deletion models/anthropic/claude-opus-4-1.toml
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
name = "Claude Opus 4.1 (latest)"
name = "Claude Opus 4.1"
description = "Flagship Claude model for deep reasoning, coding, and long-horizon agents"
family = "claude-opus"
release_date = "2025-08-05"
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2 changes: 1 addition & 1 deletion models/anthropic/claude-opus-4-5.toml
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
name = "Claude Opus 4.5 (latest)"
name = "Claude Opus 4.5"
description = "Flagship Claude model for deep reasoning, coding, and long-horizon agents"
family = "claude-opus"
release_date = "2025-11-24"
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2 changes: 1 addition & 1 deletion models/anthropic/claude-sonnet-4-0.toml
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@@ -1,4 +1,4 @@
name = "Claude Sonnet 4 (latest)"
name = "Claude Sonnet 4"
description = "Balanced Claude model for coding, analysis, agent workflows, and cost control"
family = "claude-sonnet"
release_date = "2025-05-22"
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2 changes: 1 addition & 1 deletion models/anthropic/claude-sonnet-4-5.toml
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
name = "Claude Sonnet 4.5 (latest)"
name = "Claude Sonnet 4.5"
description = "Balanced Claude model for coding, analysis, agent workflows, and cost control"
family = "claude-sonnet"
release_date = "2025-09-29"
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4 changes: 1 addition & 3 deletions packages/core/src/sync/providers/anthropic.ts
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Expand Up @@ -296,9 +296,7 @@ export function buildAnthropicModel(
existing: ExistingModel | undefined,
baseModel?: string,
): SyncedModel {
const name = model.canonical_id !== undefined && !model.display_name.endsWith("(latest)")
? `${model.display_name} (latest)`
: model.display_name;
const name = model.display_name.replace(/\s*\(latest\)\s*$/i, "");
const reasoning = model.capabilities.thinking?.supported ?? existing?.reasoning ?? false;
const input = [
"text" as const,
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16 changes: 13 additions & 3 deletions packages/core/test/sync.test.ts
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Expand Up @@ -994,19 +994,29 @@ test("adds manual budget control for new Anthropic models", () => {
expect(model.reasoning_options).toEqual([{ type: "budget_tokens" }]);
});

test("labels Anthropic aliases as latest", () => {
test("never invents latest tags for Anthropic aliases", () => {
const model = buildAnthropicModel(anthropicModel({
id: "claude-sonnet-5",
canonical_id: "claude-sonnet-5-20260630",
}), undefined, "anthropic/claude-sonnet-5");

expect(model.name).toBe("Claude Sonnet 5 (latest)");
expect(model.name).toBe("Claude Sonnet 5");
});

test("strips stale latest suffix from Anthropic display names", () => {
const model = buildAnthropicModel(anthropicModel({
id: "claude-opus-4-5",
canonical_id: "claude-opus-4-5-20251101",
display_name: "Claude Opus 4.5 (latest)",
}), undefined, "anthropic/claude-opus-4-5");

expect(model.name).toBe("Claude Opus 4.5");
});

test("Anthropic sync preserves base model inheritance", () => {
const resolved = {
base_model: "anthropic/claude-opus-4-5",
name: "Claude Opus 4.5 (latest)",
name: "Claude Opus 4.5",
description: "Flagship Claude model",
release_date: "2025-11-24",
last_updated: "2025-11-24",
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