LinkModel
LinkModel is AI model infrastructure for builders. Generate text, images, and videos across leading models through one consistent API instead of maintaining separate provider integrations. Developers can switch models by changing a parameter, track request status, progress and cost, and test workflows in a visual playground. LinkModel offers transparent pay-as-you-go pricing, savings of up to 30% from the first request, $1 in free usage credit at registration, and additional discounts on top-ups. SDKs and examples support production development workflows.
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Velokey
Velokey is a unified AI model API platform that gives developers access to leading text, image, and video models through one interface. The platform supports LLM APIs, image generation APIs, and video generation APIs, allowing teams to switch models without rebuilding integrations. Developers can use an OpenAI-compatible SDK by changing the base URL and API key, then selecting the model they want to call. Velokey includes models from families such as GPT, Claude, Gemini, DeepSeek, Grok, Kimi, Qwen, GLM, Seedance, Kling, Veo, Wan, Nano Banana, GPT Image, and more. The platform also provides smart model routing, automatic failover, usage tracking, latency visibility, spend monitoring, and transparent pricing across tokens, images, and video seconds. Built for developers and AI teams, Velokey helps simplify model access, reduce integration overhead, and manage multiple AI providers from one API and one bill.
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APIFree
APIFree is a unified AI Model-as-a-Service platform that provides developers and enterprises with seamless access to multiple leading AI models through a single standardized API layer. It aggregates mainstream open-source and proprietary models across text, image, video, audio, and code, allowing teams to integrate multimodal AI capabilities without managing separate vendor accounts, SDKs, or billing systems. Built to reduce infrastructure complexity, APIFree offers an OpenAI-compatible endpoint so applications can connect quickly while maintaining flexibility to switch between providers as needed. It emphasizes broad model coverage, lower end-to-end latency, and high availability, enabling organizations to focus on product innovation rather than platform fragmentation. With unified authentication, quota management, usage analytics, and cost controls at the platform level, APIFree simplifies AI deployment workflows and improves operational efficiency.
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Modellix
Modellix is a unified AI model API platform that aggregates the world's leading generative models — including Google Veo 3.1, GPT Image, Grok Imagine, Seedream 5.0, Seedance 2.0, Kling V3, Wan 2.7, Hailuo 2.3, Vidu Q3, PixVerse V6, and more — into a single API key and billing dashboard. Developers integrate once and access all models without multi-vendor management. Creators test models directly in browser Playground, no code required. The same key also opens the Modellix LLM gateway, with OpenAI- and Anthropic-compatible access to language models from OpenAI, Anthropic, Google, DeepSeek, Qwen, Moonshot, xAI, and ZAI. Backed by Aurora Mobile (NASDAQ: JG) with SOC 2 Type 2, ISO 27001, and ISO 27701 certifications and 15+ years of developer infrastructure experience.
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