Best AI Tools for Backend Engineers (2026)

Constrain LLM outputs to valid JSON, regex, or custom formats.

A data framework for building LLM applications over external data

Fast AI inference engine with custom tensor streaming processor

API access to Claude AI models for text generation and analysis.

Cost-effective bulk processing for Claude

API access to Claude, a capable AI assistant for text tasks.

Open-source RAG framework for building AI applications with knowledge bases

Search API that retrieves real-time web information for AI applications.

API for building applications with Claude, an AI assistant.

Cost-effective bulk processing for AI workloads

High-performance LLM inference platform for production workloads

Enterprise-grade AI inference for production applications

AI code completion that suggests code in your IDE as you type.

AI code generation and refactoring for faster software development.

API access to Claude, a large language model for text tasks.

API uptime and latency monitoring for LLM providers