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Add Anthropic Claude Opus 5.5 API support #1089

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Merged
PeterDaveHello merged 1 commit into from
Sep 22, 2026
Merged

Add Anthropic Claude Opus 5.5 API support #1089

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1 change: 1 addition & 0 deletions src/_locales/en/main.json
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Original file line number Diff line number Diff line change
Expand Up @@ -205,6 +205,7 @@
"Anthropic (Claude Opus 4.6)": "Anthropic (Claude Opus 4.6)",
"Anthropic (Claude Opus 4.8)": "Anthropic (Claude Opus 4.8)",
"Anthropic (Claude Opus 5)": "Anthropic (Claude Opus 5)",
"Anthropic (Claude Opus 5.5)": "Anthropic (Claude Opus 5.5)",
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"Anthropic (Claude Sonnet 4)": "Anthropic (Claude Sonnet 4)",
"Anthropic (Claude Sonnet 4.5)": "Anthropic (Claude Sonnet 4.5)",
"Anthropic (Claude Haiku 4.5)": "Anthropic (Claude Haiku 4.5)",
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7 changes: 6 additions & 1 deletion src/config/index.mjs
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Expand Up @@ -97,6 +97,7 @@ export const claudeApiModelKeys = [
'claudeOpus47Api',
'claudeOpus48Api',
'claudeOpus5Api',
'claudeOpus55Api',
'claudeSonnet45Api',
'claudeSonnet46Api',
'claudeSonnet5Api',
Expand Down Expand Up @@ -372,6 +373,10 @@ export const Models = {
value: 'claude-opus-5',
desc: 'Anthropic (Claude Opus 5)',
},
claudeOpus55Api: {
value: 'claude-opus-5-5',
desc: 'Anthropic (Claude Opus 5.5)',
},
claudeSonnet45Api: {
value: 'claude-sonnet-4-5-20250929',
desc: 'Anthropic (Claude Sonnet 4.5)',
Expand Down Expand Up @@ -767,7 +772,7 @@ export const defaultApiModeIds = [
'xaiGrok4_6',
'xaiGrok4_5',
'claudeFable51Api',
'claudeOpus5Api',
'claudeOpus55Api',
'claudeSonnet5Api',
'claudeHaiku45Api',
'googleGemini3_1Pro',
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1 change: 1 addition & 0 deletions src/services/apis/temperature-params.mjs
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Expand Up @@ -3,6 +3,7 @@ const MODELS_WITHOUT_CUSTOM_TEMPERATURE = new Set([
'claude-opus-4-8',
'claude-sonnet-5',
'claude-opus-5',
'claude-opus-5-5',
'claude-fable-5',
'claude-fable-5-1',
'gpt-6-astra',
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1 change: 1 addition & 0 deletions tests/unit/services/apis/claude-api.test.mjs
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Expand Up @@ -183,6 +183,7 @@ test('claude-api: omits temperature for models that reject custom sampling', asy
['claudeOpus47Api', 'claude-opus-4-7'],
['claudeOpus48Api', 'claude-opus-4-8'],
['claudeOpus5Api', 'claude-opus-5'],
['claudeOpus55Api', 'claude-opus-5-5'],
['claudeSonnet5Api', 'claude-sonnet-5'],
]) {
await t.test(modelName, async (t) => {
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2 changes: 2 additions & 0 deletions tests/unit/services/apis/temperature-params.test.mjs
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Expand Up @@ -35,6 +35,8 @@ test('temperature overrides omit known Anthropic models across provider ID forma
'claude-opus-4-8-20260801',
'claude-sonnet-5',
'claude-opus-5',
'claude-opus-5-5',
'anthropic/claude-opus-5.5',
'claude-fable-5',
'claude-fable-5-1',
'anthropic/claude-fable-5.1',
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