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Companies Like OpenRouter
Companies similar to OpenRouter include Anthropic, Z.ai (also marketed as Zhipu AI / 智谱AI), Fireworks AI and others.
Anthropic
Foundation model company selling AI assistants and model APIs.
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Z.ai (also marketed as Zhipu AI / 智谱AI)
Chinese LLM developer selling APIs, AI agents and MaaS.
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Fireworks AI
B2B platform for model training, routing and inference.
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Abacus.AI
Enterprise AI platform for multi-model chat, agents and ML workflows.
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MiniMax
Foundation AI models, APIs and multimodal software tools.
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Thinking Machines Lab
Builds multimodal foundation models and fine-tuning infrastructure.
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