AI Coding Tools Directory

Aider

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Open-source terminal pair programmer with git-native workflows

Aider (v0.86.1) is an open-source AI pair programming tool that runs in the terminal and keeps your workflow inside git. It can automatically create sensible commits, apply diff-based edits across multiple files, and map your repository to work on large projects. Aider works best with Claude 3.7 Sonnet, DeepSeek R1/V3, OpenAI GPT-4.1 and o3/o4-mini, and Gemini 2.5 Pro, while also supporting many other cloud and local models (via OpenRouter, Ollama, and direct API keys).

Amazon Q Developer

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Agentic AWS-aware coding assistant with IDE, CLI, and console coverage

Amazon Q Developer (formerly CodeWhisperer) is AWS’s generative AI assistant for coding, application upgrades, and cloud operations. It provides agentic chat in IDEs, the AWS Console, chat apps, and the CLI (upgradeable to the Kiro CLI) to accelerate coding, run secure code scans and tests, and transform Java/.NET applications with guided upgrade workflows. The perpetual Free tier includes 50 agentic requests and 1,000 lines of code transformations per month; Pro is $19/user/month with higher limits, pooled upgrade quotas, admin controls, and IP indemnity.

Claude 3.5 Sonnet

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Mid-tier Claude model with 200K context for coding and agentic workflows

Claude 3.5 Sonnet (launched Aug 28, 2025) is Anthropic's flagship mid-tier model with a 200K context window, strong coding and vision performance, and pay-per-use pricing at $3 per 1M input tokens and $15 per 1M output tokens. It is available via Claude.ai, the Claude iOS app, the Anthropic API, Amazon Bedrock, and Google Vertex AI, supports tool use/function calling, and powers agentic workflows, RAG, and coding assistants.

Claude 4.5 Haiku

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Fast Claude 4.5 model with 200K context at $1/$5 per MTok

Claude 4.5 Haiku (released Oct 15, 2025) is Anthropic's fastest Claude 4.5 model with near-Sonnet 4 performance at one-third the cost. It supports a 200K token context window, extended thinking, context awareness, and full tool use (code execution, computer use, bash, text editor, web search). It is available on Claude.ai (web, iOS, Android), the Claude Developer Platform/API, Claude Code, Amazon Bedrock, Google Cloud Vertex AI, and Microsoft Foundry with $1/$5 per million input/output token pricing.

AutoGen

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Open-source multi-agent framework (Python/.NET) with AgentChat and Studio

AutoGen is Microsoft's open-source framework for building agentic applications with your own model API keys. The current stable release (python v0.7.5, Sep 30 2025) ships a layered architecture: Core for event-driven message passing across Python and .NET runtimes, AgentChat for common multi-agent patterns, Extensions for model/tool connectors (OpenAI and Azure OpenAI, Anthropic, Gemini via OpenAI-compatible endpoints, and local models via Ollama), plus AutoGen Studio for no-code multi-agent prototyping and AutoGen Bench for evaluation. It's MIT-licensed and maintained in the open on GitHub.

Bolt.new

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AI web and app builder with tokens-based plans, hosting, and databases

Bolt.new is an AI-powered builder from StackBlitz that generates and edits production-grade web/apps in the browser. It provides hosted previews, databases, auth, custom domains, and team controls. Pricing is token-based: Free (300K/day, 1M/month), Pro (starts at 10M/month), Teams ($30/member/month), and Enterprise with SSO/audit/security. Built on WebContainers with live previews and deploys via Bolt Cloud.

Anthropic Claude API

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Build with Claude Opus 4.5, Sonnet 4.5, and Haiku 4.5 via the Anthropic API

The Anthropic Claude API provides pay-per-use access to Claude’s latest models: Opus 4.5 ($5/$25 MTok), Sonnet 4.5 ($3/$15 MTok for ≤200K prompts; $6/$22.5 MTok for >200K prompts), and Haiku 4.5 ($1/$5 MTok). The API supports 200K-token contexts, tool use/function calling, prompt caching (write/read discounts), and batch processing (50% savings). Available through the Claude Developer Platform with official SDKs, plus partner access on Amazon Bedrock, Google Cloud Vertex AI, and Microsoft Foundry.

Claude Code

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Anthropic’s coding companion for terminal and desktop, powered by Claude Opus 4.5

Claude Code is Anthropic’s terminal-first coding experience available in Claude desktop/web and CLI. It uses Claude Opus 4.5 (and Sonnet 4.5 where applicable) to work across your local repositories with project context via CLAUDE.md, multi-file edits, code search, and permissioned command execution. Included with Claude Pro, Max, Team, and Enterprise plans; API usage is billed separately per model pricing.

Claude Opus 4.5

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Hybrid reasoning model for coding, agents, and computer use with a 200K context window

Claude Opus 4.5 (released Nov 24, 2025) is Anthropic's frontier model for complex coding, agentic workflows, and computer-use tasks. It offers a 200K token context window, supports tool use/function calling, and is available in Claude Pro/Max/Team/Enterprise as well as the Claude API, Amazon Bedrock, Google Cloud Vertex AI, and Microsoft Foundry. Pricing starts at $5 per 1M input tokens and $25 per 1M output tokens, with prompt caching and batch options for additional savings.

Windsurf (Codeium)

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AI coding IDE with Cascade agent, Tab completions, and prompt credits

Codeium now directs to Windsurf, an AI coding IDE and plugin suite featuring the Cascade agent, Tab completions, and prompt credits usable across providers (OpenAI, Claude, Gemini, xAI). Free users get 25 prompt credits per month with unlimited Tab completions/inline edits; paid tiers add Fast Context, Windsurf Reviews, admin controls, and more credits. Windsurf also ships the in-house SWE-1.5 coding model alongside access to external models (see pricing for details).

Amazon CodeWhisperer

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Superseded by Amazon Q Developer for code generation, chat, and security scans

CodeWhisperer is no longer offered as a standalone product. AWS merged its completions, chat, and security scanning into Amazon Q Developer for VS Code, JetBrains, and CLI. New users should install Amazon Q Developer (Free or Pro), which now carries the CodeWhisperer functionality and billing.

Amp (formerly Cody)

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Agentic coding by Sourcegraph with CLI and VS Code extension

Amp (formerly Cody) is Sourcegraph’s agentic coding tool. It runs as a VS Code extension or CLI, uses frontier models, and focuses on autonomous reasoning, multi-step edits, and shareable threads. Built for teams, it offers enterprise security/compliance options and uses Sourcegraph context to reason across codebases. Public pricing is not listed; teams start with free credits and then talk to sales.