OpenAI provides the leading LLM API platform with models like the GPT-5 series, offering advanced reasoning, multimodal capabilities (text, vision, audio), tool calling, fine-tuning, and assistants for building AI applications. It is the most widely used platform with excellent documentation and enterprise features.
OpenAI provides the leading LLM API platform with models like the GPT-5 series, offering advanced reasoning, multimodal capabilities (text, vision, audio), tool calling, fine-tuning, and assistants for building AI applications. It is the most widely used platform with excellent documentation and enterprise features.
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Open source API management system with 50k+ GitHub stars, supports self-hosting
Leading AI research company offering GPT-4, GPT-3.5, DALL-E, and Whisper APIs
Unified API for 200+ AI models with competitive pricing and smart routing
AI safety company offering Claude 3 family with extended context windows