What is LLMFly AI?
LLMFly AI gives developers one OpenAI-compatible API to call models like GPT, Claude, Gemini, and Grok without rebuilding integrations for each provider. You can switch the base URL, keep using the OpenAI SDK, and choose model IDs from a catalog with clear pricing and availability. It is built for everyday API work, with separate keys for development and production, usage history, and support for editors, agents, scripts, and backend services. The product helps teams compare models, test requests quickly, and manage provider-specific features only where needed.
Key features
- Use one OpenAI-compatible API across multiple model providers.
- Keep development and production separate with different API keys.
- Compare input, output, and cache pricing before sending traffic.
- Reuse your existing OpenAI SDK with minimal changes.
- Works with Claude Code, Cursor, Codex, and backend apps.
- Browse model capabilities, limits, and reference pricing in one place.
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