The best tools for Low-cost LLM API

For a low-cost LLM API, DeepSeek is your best option. It offers extremely low pricing while maintaining high quality, making it ideal for cost-sensitive API builders. Its open-weight models also allow for self-hosting, which gives you additional flexibility and control over your deployment.

While Google Gemini and ChatGPT have their merits—especially if you're looking for specific integrations or diverse feature sets—neither can match the affordability and straightforward pricing of DeepSeek. Gemini is great for users heavily invested in the Google ecosystem, and ChatGPT offers broad capabilities and a large ecosystem, but those factors come at a higher price point for API usage. Stick with DeepSeek for the best balance of cost and performance.