feat: add Azure Foundry and Azure OpenAI provider support #1574
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Add Azure Foundry as a separate provider to support Claude models through Microsoft's AI marketplace. Uses the same @ai-sdk/anthropic package as the direct Anthropic provider with Azure-specific initialization. - Add azure-foundry to provider registry - Support AZURE_FOUNDRY_ENDPOINT and AZURE_FOUNDRY_API_KEY env vars - Add Claude 4.5 model definitions (Opus, Sonnet, Haiku) - Duplicate Anthropic handler with Azure URL handling - Document Azure Foundry setup in providers.mdx - Use Anthropic icon (Claude branding) Azure Foundry provides explicit UX for users accessing Claude via Azure while reusing proven Anthropic SDK and handler logic. No new dependencies required. Co-Authored-By: Claude Sonnet 4.5 <[email protected]>
Add Azure AI Foundry support for accessing Claude models through Microsoft's Azure marketplace using @ai-sdk/anthropic with custom baseURL. Configuration: - Uses `resource` field (just the resource name, not full URL) - Environment variables: AZURE_FOUNDRY_RESOURCE, AZURE_FOUNDRY_API_KEY - Models: claude-opus-4-5, claude-sonnet-4-5, claude-haiku-4-5 Changes: - providers.ts: Register azure-foundry provider - providerRequirements.ts: Add resource credential resolution - aiService.ts: Build baseURL from resource name - api.ts: Add resource field to schema - providerService.ts: Return resource in config - ProvidersSection.tsx: Add Resource field in UI - providers.mdx: Update documentation - knownModels.ts: Fix Opus tokenizer (remove incorrect override) Co-Authored-By: Claude Opus 4.5 <[email protected]>
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Add Azure OpenAI provider for GPT and Codex models via Microsoft Azure. Configuration: - Requires AZURE_OPENAI_ENDPOINT and AZURE_OPENAI_API_KEY - Optional deployment name (defaults to model ID) - API version auto-selected based on model type API routing: - GPT models (gpt-5.2): Chat Completions API with 2024-12-01-preview - Codex models: Responses API with 2025-04-01-preview (forced) Models added to knownModels: - azure-openai:gpt-5.2 (azure-gpt) - azure-openai:gpt-5.1-codex (azure-codex) - azure-openai:gpt-5.1-codex-max (azure-codex-max) Co-Authored-By: Claude Opus 4.5 <[email protected]>
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Summary
Azure Foundry (Claude models)
@ai-sdk/anthropicwith Azure baseURLAZURE_FOUNDRY_RESOURCEandAZURE_FOUNDRY_API_KEYwrapFetchWithAnthropicCacheControlAzure OpenAI (GPT/Codex models)
@ai-sdk/azureSDKAZURE_OPENAI_ENDPOINTandAZURE_OPENAI_API_KEYModels added
azure-foundry:claude-sonnet-4-20250514azure-openai:gpt-5.2azure-openai:gpt-5.1-codexazure-openai:gpt-5.1-codex-maxTest plan
Generated with
mux• Model:anthropic:claude-opus-4-5-20250514• Thinking:off• Cost:$0.00