Upstage alternatives

• Aleph Alpha (Aleph Alpha) — German AI company that builds sovereign large language models and enterprise AI platforms for industry, public-sector, and defense customers. Paid
• Amazon Bedrock (Amazon Web Services) — Managed AWS service for building applications with foundation models from multiple providers via one API. Paid
• Amazon Nova (Amazon Web Services) — AWS portfolio of Amazon-built foundation models and services for text, multimodal, speech, custom model building, and UI-automating agents. Paid
• Baseten (Baseten) — Platform for deploying and serving machine-learning models as scalable APIs. Paid
• Cerebras (Cerebras Systems) — AI compute company whose inference cloud serves open language models on wafer-scale hardware. Freemium
• Civitai (Civitai) — Community platform for sharing and discovering open image-generation models, LoRAs, and generated art. Freemium
• Dify (LangGenius) — Open-source platform for building LLM applications with visual agent workflows, RAG pipelines, and model management. Open (open weights/source)
• Fal.ai (fal) — Generative media inference platform for running diffusion and other models with a fast API. Paid
• Fireworks AI (Fireworks AI) — Inference platform for fast serving and fine-tuning of open-source generative AI models. Paid
• Gcore (G-Core Labs S.A.) — Provider of edge AI, cloud, network, and security services, including GPU cloud, serverless inference with OpenAI-compatible APIs, and a global edge network. Freemium
• Gemini Enterprise Agent Platform (Google) — Google Cloud's platform for building and running AI models and agents, branded Gemini Enterprise Agent Platform (formerly Vertex AI). Paid
• Groq (Groq) — AI inference platform powered by custom LPU hardware for very low-latency serving of open language models. Freemium
• Hugging Face (Hugging Face, Inc.) — Platform hosting machine learning models, datasets, and demo apps, centered on open-source AI. Freemium
• Jan (Homebrew (formerly Menlo Research)) — Open-source desktop app for running open language models locally as an offline ChatGPT alternative. Open (open weights/source)
• LM Studio (LM Studio) — Desktop application for discovering, downloading, and running open large language models locally. Free
• Microsoft Foundry (Microsoft) — Microsoft's Azure platform for building, evaluating, and deploying AI applications and agents, branded Microsoft Foundry (formerly Azure AI Foundry). Paid
• Modal (Modal Labs) — Serverless cloud platform for running AI and data workloads with usage-based pricing. Freemium
• Nebius (Nebius Group N.V.) — AI cloud platform for workloads from training through inference, with NVIDIA GPU instances billed per GPU-hour, managed Kubernetes and Slurm, and token-based inference services. Paid
• Nscale (Nscale Limited) — AI cloud provider offering GPU clusters, managed Kubernetes and Slurm, and a serverless inference API compatible with OpenAI SDKs. Paid
• Ollama (Ollama) — Open-source tool for running open large language models locally on your own machine with a simple command-line interface. Open (open weights/source)
• Open WebUI (Open WebUI) — Extensible, self-hosted AI interface that runs offline and connects to local or remote models such as Ollama and OpenAI-compatible APIs. Open (open weights/source)
• OpenRouter (OpenRouter) — Unified API gateway that routes requests to 400+ large language models from many providers. Paid
• Pinecone (Pinecone) — Managed vector database for similarity search and retrieval in AI applications. Freemium
• Poe (Quora) — Platform from Quora providing access to multiple AI chatbots and models through a single interface. Freemium
• Replicate (Replicate) — Platform for running and deploying open-source machine learning models via a hosted API. Paid
• Scaleway (Scaleway SAS) — French cloud provider whose platform includes NVIDIA GPU instances, managed Kubernetes through Kapsule, and EU-hosted Generative APIs compatible with the OpenAI SDK. Paid
• Together AI (Together AI) — Cloud platform for running, fine-tuning, and hosting open-source AI models via serverless and dedicated endpoints. Paid
• vLLM (vLLM Project) — Open-source inference and serving engine for large language models, known for high-throughput PagedAttention. Open (open weights/source)
• Weaviate (Weaviate) — Open-source vector database for semantic search, retrieval-augmented generation, and hybrid search. Open (open weights/source)

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