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feat: add Claude Opus 4.8 model support
Mirrors the Opus 4.7 addition (#1101). Opus 4.8 keeps the 4.7 request surface (adaptive thinking, no prefill, no temperature/top_p/top_k), so it joins the same capability lists. Inference profile regions were verified live via get-inference-profile from an EU deployment: the eu profile does not cover eu-west-2 (unlike 4.7), and non-EU geos are left for maintainers to extend with scripts/cross_region_inference.
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‎README.md‎

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@@ -248,7 +248,7 @@ npm ci
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- `logoPath`: Relative path under `frontend/public` that points to the image displayed at the top of the application drawer.
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The following model IDs are supported (please make sure that they are also enabled in the Bedrock console under Model access in your deployment region):
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- **Claude Models:** `claude-v4-opus`, `claude-v4.1-opus`, `claude-v4.5-opus`, `claude-v4.6-opus`, `claude-v4.7-opus`, `claude-v4-sonnet`, `claude-v4.5-sonnet`, `claude-v4.6-sonnet`, `claude-v3.5-sonnet`, `claude-v3.5-sonnet-v2`, `claude-v3.7-sonnet`, `claude-v3.5-haiku`, `claude-v3-haiku`, `claude-v3-opus`
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- **Claude Models:** `claude-v4-opus`, `claude-v4.1-opus`, `claude-v4.5-opus`, `claude-v4.6-opus`, `claude-v4.7-opus`, `claude-v4.8-opus`, `claude-v4-sonnet`, `claude-v4.5-sonnet`, `claude-v4.6-sonnet`, `claude-v3.5-sonnet`, `claude-v3.5-sonnet-v2`, `claude-v3.7-sonnet`, `claude-v3.5-haiku`, `claude-v3-haiku`, `claude-v3-opus`
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- **Amazon Nova Models:** `amazon-nova-pro`, `amazon-nova-lite`, `amazon-nova-micro`
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- **Mistral Models:** `mistral-7b-instruct`, `mixtral-8x7b-instruct`, `mistral-large`, `mistral-large-2`
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- **DeepSeek Models:** `deepseek-r1`

‎backend/app/bedrock.py‎

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"claude-v4.5-opus": "anthropic.claude-opus-4-5-20251101-v1:0",
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"claude-v4.6-opus": "anthropic.claude-opus-4-6-v1",
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"claude-v4.7-opus": "anthropic.claude-opus-4-7",
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"claude-v4.8-opus": "anthropic.claude-opus-4-8",
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"claude-v4-sonnet": "anthropic.claude-sonnet-4-20250514-v1:0",
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"claude-v4.5-sonnet": "anthropic.claude-sonnet-4-5-20250929-v1:0",
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"claude-v4.6-sonnet": "anthropic.claude-sonnet-4-6",
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"ap-northeast-1",
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]
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},
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"claude-v4.8-opus": {
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"supported_regions": [
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"eu-central-2",
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"eu-central-1",
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]
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},
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"claude-v4-sonnet": {
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"supported_regions": [
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"us-west-2",
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"ap-southeast-4": "au",
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}
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},
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"claude-v4.8-opus": {
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"supported_regions": {
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"eu-central-1": "eu",
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"eu-central-2": "eu",
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"eu-north-1": "eu",
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"eu-south-1": "eu",
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"eu-south-2": "eu",
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"eu-west-1": "eu",
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"eu-west-3": "eu",
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}
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},
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"claude-v4.6-opus": {
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"supported_regions": {
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"us-east-1": "us",
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"claude-v4.6-opus",
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"claude-v4.6-sonnet",
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"claude-v4.7-opus",
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"claude-v4.8-opus",
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]
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"claude-v4.6-opus",
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"claude-v4.6-sonnet",
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"claude-v4.7-opus",
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"claude-v4.8-opus",
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]
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"claude-v4.5-opus",
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"claude-v4.6-opus",
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"claude-v4.7-opus",
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"claude-v4.8-opus",
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"claude-v4.5-sonnet",
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"claude-v4.6-sonnet",
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"claude-v4.5-haiku",
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"""Claude Opus 4.7+ deprecates top_k parameter."""
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return model not in [
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"claude-v4.7-opus",
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"claude-v4.8-opus",
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]
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def is_top_p_supported(model: type_model_name) -> bool:
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"""Claude Opus 4.7+ deprecates top_p parameter."""
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return model not in [
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"claude-v4.7-opus",
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"claude-v4.8-opus",
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]
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def is_temperature_supported(model: type_model_name) -> bool:
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"""Claude Opus 4.7+ deprecates temperature parameter."""
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return model not in [
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"claude-v4.7-opus",
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"claude-v4.8-opus",
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]
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"claude-v4.5-opus",
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"claude-v4.6-opus",
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"claude-v4.7-opus",
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"claude-v4.8-opus",
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"claude-v4-sonnet",
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"claude-v4.5-sonnet",
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"claude-v4.6-sonnet",
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"claude-v4.5-opus",
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"claude-v4.6-opus",
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"claude-v4.7-opus",
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"claude-v4.8-opus",
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"claude-v4-sonnet",
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"claude-v4.5-sonnet",
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"claude-v4.6-sonnet",

‎backend/app/config.py‎

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@@ -87,6 +87,12 @@ class EmbeddingConfig(TypedDict):
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"cache_write_input": 0.00625,
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"cache_read_input": 0.0005,
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},
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"claude-v4.8-opus": {
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"input": 0.005,
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"output": 0.025,
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"cache_write_input": 0.00625,
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"cache_read_input": 0.0005,
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},
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"claude-v4-sonnet": {
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"input": 0.003,
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"output": 0.015,
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"cache_write_input": 0.00625,
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"cache_read_input": 0.0005,
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},
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"claude-v4.8-opus": {
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"input": 0.005,
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"output": 0.025,
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"cache_write_input": 0.00625,
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"cache_read_input": 0.0005,
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},
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"claude-v4-sonnet": {
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"input": 0.003,
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"output": 0.015,
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"cache_write_input": 0.00625,
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"cache_read_input": 0.0005,
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},
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"claude-v4.8-opus": {
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"input": 0.005,
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"output": 0.025,
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"cache_write_input": 0.00625,
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"cache_read_input": 0.0005,
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},
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"claude-v4-sonnet": {
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"input": 0.003,
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"output": 0.015,

‎backend/app/routes/schemas/conversation.py‎

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"claude-v4.5-opus",
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"claude-v4.6-opus",
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"claude-v4.7-opus",
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"claude-v4.8-opus",
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"claude-v4-sonnet",
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"claude-v4.5-sonnet",
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"claude-v4.6-sonnet",

‎frontend/src/constants/index.ts‎

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'claude-v4.5-opus',
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'claude-v4.6-opus',
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'claude-v4.7-opus',
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'claude-v4.8-opus',
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'claude-v4-sonnet',
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'claude-v4.5-sonnet',
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'claude-v4.6-sonnet',

‎frontend/src/hooks/useModel.ts‎

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supportMediaType: CLAUDE_SUPPORTED_MEDIA_TYPES,
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supportReasoning: true,
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},
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{
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modelId: 'claude-v4.8-opus',
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label: t('model.claude-v4.8-opus.label'),
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description: t('model.claude-v4.8-opus.description'),
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supportMediaType: CLAUDE_SUPPORTED_MEDIA_TYPES,
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supportReasoning: true,
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},
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{
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modelId: 'claude-v4-sonnet',
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label: t('model.claude-v4-sonnet.label'),

‎frontend/src/i18n/en/index.ts‎

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description:
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'High-capability Opus model built for coding, enterprise workflows, and long-running agentic tasks.',
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},
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'claude-v4.8-opus': {
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label: 'Claude 4.8 (Opus)',
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description:
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'Most capable Opus model, built for long-running agentic tasks, coding, and enterprise workflows.',
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},
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'claude-v4-sonnet': {
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label: 'Claude 4 (Sonnet)',
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description:

‎frontend/src/i18n/es/index.ts‎

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description:
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'Modelo Opus de alta capacidad diseñado para codificación, flujos de trabajo empresariales y tareas de agente de larga duración.',
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},
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'claude-v4.8-opus': {
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label: 'Claude 4.8 (Opus)',
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description:
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'El modelo Opus más capaz, diseñado para tareas de agente de larga duración, codificación y flujos de trabajo empresariales.',
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},
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'claude-v3-opus': {
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label: 'Claude 3 (Opus)',
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description: 'Modelo potente para tareas altamente complejas.',

‎frontend/src/i18n/id/index.ts‎

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description:
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'Model Opus berkemampuan tinggi yang dibuat untuk coding, alur kerja perusahaan, dan tugas agen jangka panjang.',
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},
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'claude-v4.8-opus': {
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label: 'Claude 4.8 (Opus)',
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description:
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'Model Opus paling mumpuni, dibuat untuk tugas agen jangka panjang, coding, dan alur kerja perusahaan.',
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},
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'claude-v3-opus': {
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label: 'Claude 3 (Opus)',
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description: 'Model yang kuat untuk tugas-tugas yang sangat kompleks.',

‎frontend/src/i18n/ja/index.ts‎

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description:
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'コーディング、エンタープライズワークフロー、長時間のエージェントタスク向けに構築された高性能Opusモデル。',
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},
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'claude-v4.8-opus': {
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label: 'Claude 4.8 (Opus)',
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description:
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'長時間のエージェントタスク、コーディング、エンタープライズワークフロー向けに構築された最も高性能なOpusモデル。',
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},
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'claude-v4-sonnet': {
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label: 'Claude 4 (Sonnet)',
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description:

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