# Together AI & Fireworks AI (Market Segment) > Together AI and Fireworks AI are leading providers of cloud-based infrastructure for generative AI. They offer serverless APIs and dedicated GPU clusters that allow developers to deploy, fine-tune, and run open-source large language models with high performance and lower costs compared to proprietary models. - URL: https://optimly.ai/brand/together-ai-fireworksai - Slug: together-ai-fireworksai - BAI Score: 72/100 - Archetype: Challenger - Category: AI Infrastructure - Last Analyzed: April 11, 2026 - Part of: Independent (https://optimly.ai/brand/independent) ## Competitors - Groq (https://optimly.ai/brand/groq) ## Also Referenced By - Fireworks AI (https://optimly.ai/brand/fireworks-ai) ## Buyer Intent Signals Problems: Self-hosted vLLM on Cloud Providers: Building and managing proprietary inference stacks using vLLM or TGI on raw cloud GPU instances (AWS/GCP). Solutions: fastest Llama 3 API inference | serverless GPUs for LLMs | cheapest way to train a 70B model | best open source model hosting provider | Closed-Source Model APIs (OpenAI/Anthropic): Utilizing general-purpose AI model APIs like GPT-4 or Claude 3.5 which do not require managing open-source weights. | Legacy Cloud ML Platforms: Using standard cloud machine learning platforms like Amazon SageMaker or Google Vertex AI to deploy models. Comparisons: Together AI vs Fireworks AI performance