📖 The AI Tool Bible

AI code completion

Editorial picks for "best ai code completion".

12 tools

Cursor

Coding · Claude / GPT (configurable)

AI-first VS Code fork — chat, edit, and agentic coding in one IDE.

Freemium· Hobby: Free · Individual: $20 / mo. · Teams: $40 / user / mo. · Enterprise: Customcodingrefactors

Trae

Coding · Multi-model

ByteDance's AI-native IDE built as a Cursor-style VS Code fork with agent and cloud-task workflows.

Freemium· Lite: $3 · Pro: $10 · Pro+: $30 · Ultra: $100ai-idecode-completion

Windsurf

Coding · SWE-1.6 Fast (plus Claude Agent, OpenCode via ACP)

AI-native IDE turned agent command center, now folded into Cognition's Devin lineup.

Freemium· Free; Pro $20/mo; Max $200/mo; Teams $80/mo + $40/seat; Enterprise customai-idecoding-agents

16x Prompt

Coding · Multi-model (BYO key)

Desktop prompt-composer for AI coding that bundles repo context, diffs, and multi-model comparison.

Freemium· Free: 10 prompts/day; paid individual and team licensesprompt-engineeringai-pair-programming

oMLX

Coding · Multi-model (Qwen, Llama, Mistral, Gemma, DeepSeek, MiniMax, GLM)

Native macOS LLM inference server built on MLX, with paged SSD KV caching for Apple Silicon agents.

Free· Free, Apache 2.0 open sourcelocal-llm-inferencecoding-agents

Opik

Evaluation · Multi-model

Open-source LLM observability and evaluation platform for debugging and monitoring AI agents in production.

Freemium· Free open-source self-host; free Cloud tier (no card); Enterprise contact salesllm-tracingagent-evaluation

AI SDK

Coding · Multi-model

Vercel's open-source TypeScript framework for building AI apps across 16+ providers with unified streaming, tools, and UI hooks.

Free· Open source (Apache 2.0); pay only for the underlying model APIschat-uiagent-building

Amazon Q Developer

Coding · Multi-model (Amazon proprietary + partners)

AWS's in-IDE coding assistant and agent, formerly CodeWhisperer, tuned for cloud-heavy workflows.

Freemium· Free Tier: Free · Pro Tier: $19/mo. per usercode-completionagentic-coding

GoCodeo

Coding · Multi-model (Claude 3.5/3.7, Gemini 2.5 Pro, GPT-4o, o3-mini, DeepSeek-R1)

VS Code agent that builds, tests, and debugs full-stack apps across 25+ frameworks with multiple frontier LLMs.

Freemium· Hobby: Free · Starter: US $9/ month · Pro: US $19/ monthcode-generationtest-generation

Lakera

Evaluation · Proprietary in-house classifiers; model-agnostic (works in front of GPT-4o, Claude, Gemini, Llama, and custom LLMs)

Runtime security and guardrails for GenAI apps, agents, and RAG systems.

Freemium· Free community/developer tier at platform.lakera.ai; paid Enterprise plans (custom pricing, contact sales). No public price list.Prompt injection defense for chatbotsRAG guardrails against indirect injection

Magic.dev

Coding · In-house frontier code models (including a long-term-memory 'LTM' model family with reported 100M-token context)

Frontier code models with ultra-long context aimed at automating software engineering

Enterprise· No public pricing. Access is via research partnerships and enterprise engagements; no self-serve tier or public API published as of writing.Whole-repo refactorsLong-horizon feature implementation

Tabby

Coding · DeepSeek-Coder, Qwen2.5-Coder, StarCoder, CodeLlama, or any OpenAI-compatible endpoint (Mistral, etc.)

Open-source, self-hosted AI coding assistant

Freemium· Community: $0 user/month · Team: $19 user/month · Enterprise: Contact usSelf-hosted code completionIn-IDE AI chat