SiliconFlow
A cost-effective large model API infrastructure offering OpenAI-compatible access to 200+ open-sourc...

Tool details
SiliconFlow is a leading generative AI computing infrastructure platform dedicated to becoming the "operating system layer" between AI applications and underlying hardware. Through extreme hardware-software co-optimization, it sharply cuts the cost of deploying and running large models, letting developers access the world's top AI models with zero barriers.
Core Capabilities
- One-stop model cloud service: A unified, OpenAI-compatible API seamlessly integrating over 200 mainstream open-source large models
- Full-modality coverage: Spans large language models (such as DeepSeek and Qwen), high-quality image generation (FLUX), video generation, and speech synthesis to meet all-scenario AI needs
- Ultra-fast inference engine: Its in-house SiliconLLM and OneDiff inference acceleration libraries significantly boost model throughput and cut response latency
- Flexible enterprise-grade deployment: Supports Serverless pay-as-you-go billing, dedicated compute nodes, model fine-tuning, and private deployment to fit different business scales
- Ultra-low-cost model calls: An aggressively priced pay-as-you-go model, with top-tier model call prices far below the industry average
- Painless ecosystem migration: Fully compatible with mainstream app ecosystems (such as Cursor and Chatbox) — just change the API endpoint for zero-cost migration
Use Cases Whether you are an independent developer, AI enthusiast, student, or a startup highly sensitive to compute costs, as long as you need frequent, low-cost calls to top Chinese-native models like DeepSeek or Qwen for application development, SiliconFlow delivers the ultimate price-performance compute support.
Unique Advantages Unlike traditional cloud providers' complicated configuration processes, SiliconFlow carries no legacy baggage. It not only offers generous permanently free service for mainstream open-source models at 9B parameters and below, but also leads overseas competitors by a wide margin in underlying optimization for Chinese open-source models, inference speed, and multimodal ecosystem completeness.
Editor's Review Without question, SiliconFlow is the model API provider that developers should most deserve to bookmark as their first-choice backend. Its extremely low entry barrier and aggressive free policy have completely broken down the high compute barrier, letting you focus on application innovation instead of worrying about expensive token bills. Although occasional stability fluctuations appear under extremely high concurrency, its "rock-bottom priced" high-speed overall experience is a blessing for developers.
Pricing
FreemiumFreeNew users receive free credits on sign-up (worth about 14 RMB), usable to try and call paid LLMsPermanently free access to mainstream open-source LLMs of 9B parameters and below, plus some basic image generation models
e.g., DeepSeek-V3 input about ¥2.0/1M tokens, output about ¥8.0/1M tokens
FLUX.2 [pro] about $0.03/image; video models charged per generation
Additional notes
Dedicated enterprise nodes and on-premise deployment are supported.
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