Fireworks AI

OpenAI API gives developers access to the company's most capable AI models through a simple REST interface. The platform offers a range of models for different tasks: GPT-4o for complex multimodal reasoning, GPT-4o mini for fast and affordable applications, o1 and o3 for advanced problem-solving, DALL-E for image generation, Whisper for speech recognition and translation, and Embedding models for semantic search. Pay-as-you-go pricing means you only pay for what you use, with no upfront commitments.

Groq provides ultra-fast AI inference through its custom Language Processing Unit (LPU) chips. Purpose-built for inference since 2016, the LPU delivers real-time responses at a fraction of the cost of GPU-based alternatives. GroqCloud offers a developer platform with OpenAI-compatible API, Python SDK, and JavaScript support. Customers report 89% cost reduction and 7.4x speed improvements. Partners include McLaren Formula 1 and PGA of America.

Together AI is a cloud platform for running, training, and serving open source AI models. It provides serverless inference via an OpenAI-compatible API, dedicated endpoints for isolated deployment, fine-tuning services for custom models, and GPU clusters for training workloads. The platform supports over 200 models including DeepSeek V3.1, Qwen3.5, MiniMax M2.5, and GPT-OSS. Together AI also offers batch inference, code execution alongside model calls, structured outputs, and AI evaluations using LLM judges.