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LLM Providers

TestForge uses a Bring Your Own Key (BYOK) model. You connect your own LLM endpoint — TestForge never processes your data on its servers.

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Supported providers

For OpenAI, Mistral, Gemini, and Anthropic, your user story content is sent to an external API outside your Azure tenant. TestForge displays a non-dismissible warning before saving.
Endpoint format: https://<your-resource>.cognitiveservices.azure.com Compatible models: gpt-4.1-mini, gpt-4.1, gpt-4o, gpt-4o-mini.
Models using the Responses API (gpt-5.1-codex-*, o3, o4-mini) are not yet supported. Use gpt-4.1-mini for best results.

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Azure OpenAI Service

Endpoint format: https://<your-resource>.openai.azure.com Configuration follows the same steps as Azure AI Foundry.

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Anthropic (via client proxy)

Anthropic blocks browser-direct CORS calls. Deploy the open-source proxy template in your tenant (Azure Function or Cloudflare Worker) and enter your proxy URL in the Configuration tab.

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Token cost estimate

A typical session (score + analysis + 9 manual tests + Playwright code) consumes approximately 15,000–25,000 tokens. At gpt-4.1-mini pricing on Azure, this is roughly €0.05–0.10 per session.