Find the right AI coding tool

Claude 3.5 Sonnet

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Prior-generation Claude Sonnet model with 200K context for coding workflows

Claude 3.5 Sonnet (launched Aug 28, 2025) is Anthropic's prior-generation mid-tier Sonnet model line. It was widely used for coding and vision tasks with a 200K context window and $3/$15 per million input/output token pricing. Anthropic's current Sonnet default is the 4.6 line, so verify active model availability and pricing on official pages before implementation planning. Claude Sonnet 3.5 remains a historical benchmark entry and is superseded in many workflows by newer Sonnet 4.6 releases.

• ●200K token context window with text and image inputs
• ●Strong coding and multi-step reasoning performance
• ●Tool use/function calling and structured outputs

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.

• ●200K token context window with text and image inputs (extended thinking supported)
• ●Near-Sonnet 4 performance with faster latency and $1/$5 MTok pricing
• ●Full Claude tool set: code execution, bash, computer use, text editor, web search

Anthropic Claude API

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Build with Claude Opus 4.6, Sonnet 4.6, and Haiku via the Anthropic API

The Anthropic Claude API provides pay-per-use access to Claude's current model line: Opus 4.6 for highest-depth reasoning, Sonnet 4.6 as the general default, and Haiku for low-latency tasks. Anthropic states Sonnet 4.6 keeps Sonnet 4.5 pricing levels ($3/$15 per million input/output tokens), while Opus remains in the higher-cost tier ($5/$25). The API supports long-context workflows, tool use/function calling, prompt caching, and batch processing, with availability across Anthropic, Bedrock, Vertex AI, and Foundry integrations.

• ●Current Claude line includes Opus 4.6, Sonnet 4.6, and Haiku tiers
• ●Sonnet 4.6 for balanced cost/speed; Opus 4.6 for deepest reasoning
• ●Tool use/function calling and structured outputs

Claude Code

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Anthropic's coding companion for terminal and desktop, powered by Claude 4.6 models

Claude Code is Anthropic's terminal-first coding experience available in Claude desktop/web and CLI. It now centers on Sonnet 4.6 as the default and Opus 4.6 for deeper reasoning tiers, 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.

• ●Available in Claude desktop/web and CLI
• ●CLAUDE.md file for project-specific context
• ●Project-wide code search and multi-file editing

Claude Opus 4.6

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Anthropic frontier reasoning model for advanced coding tasks

Claude Opus 4.6 is Anthropic's current top-tier Opus model line for complex coding and agentic workflows. It is positioned above Sonnet 4.6 for tasks requiring deeper reasoning and higher precision. Pricing starts at $5 per 1M input tokens and $25 per 1M output tokens, with prompt caching and batch options for additional savings. This profile tracks the Opus line on the legacy claude-opus-4-5 route.

• ●Hybrid reasoning tuned for coding, agents, and computer-use tasks
• ●Opus 4.6 tier for highest-depth reasoning workloads
• ●Tool use/function calling with structured outputs

Cursor

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The AI-first code editor built to make you extraordinarily productive

Cursor is an AI-powered code editor built on a fork of VS Code. It integrates AI directly into editing workflows with Tab (autocomplete), Composer (multi-file editing), and Agent (autonomous tasks). Cursor generally tracks frontier OpenAI, Claude, and Gemini model families; current ecosystems commonly include GPT-5.x and Codex-family options, Claude Sonnet 4.6 and Opus 4.6 tiers, plus Gemini 3 Pro/Flash and Gemini 3.1 Pro preview paths where available by plan and account.

• ●Cursor Tab (Next-gen Autocomplete)
• ●Cursor Composer (Multi-file editing)
• ●Cursor Agent (Autonomous coding)

Google Gemini API

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Access Gemini 3 Pro/Flash and Gemini 3.1 Pro preview with tools, caching, and Live API

The Gemini API exposes Gemini 3-series models including gemini-3-pro-preview, gemini-3-flash-preview, and gemini-3.1-pro-preview. Many teams refer to the first two as Gemini 3.0 Pro/Flash in conversation, but official model IDs use the gemini-3-* naming. Developers get multimodal inputs, tool use, context caching, Batch API, and Live streaming, with pricing and model availability managed on ai.google.dev.

• ●Gemini 3 Pro/Flash previews and Gemini 3.1 Pro preview model line
• ●Multimodal inputs (text, image, audio, video) with text output and image generation
• ●Tools: function calling, code execution, Google Search/Maps grounding, URL context, File Search, computer-use

Gemini 3 Pro (with 3.1 Pro preview)

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Google's Gemini 3-series multimodal model line (Pro, Flash, and 3.1 Pro preview)

Gemini 3 Pro is Google's preview multimodal reasoning model line in the Gemini API. Official model IDs include gemini-3-pro-preview and gemini-3-flash-preview (often called Gemini 3.0 Pro/Flash in community usage), plus gemini-3.1-pro-preview for the newer Pro preview tier. These models support multimodal input and tool-grounded workflows for coding and planning.

• ●Gemini 3-series model IDs include gemini-3-pro-preview, gemini-3-flash-preview, and gemini-3.1-pro-preview
• ●Preview multimodal model line with large-context support
• ●Supports text, images, PDFs, and video with configurable media_resolution

OpenAI API

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API access to GPT-5.2, Codex 5.3 models, images, audio, and tools

OpenAI's API provides pay-per-use access to current GPT and Codex model lines, including GPT-5.2 and Codex-oriented models such as gpt-5-codex and gpt-5.3-codex in Codex workflows. It also includes image, audio, embedding, moderation, tool calling, structured outputs, Responses/Chat APIs, Batch, Realtime, prompt caching, and fine-tuning capabilities. Pricing is metered per model and updated on OpenAI's official pricing pages.

• ●Access to current GPT and Codex lines (including GPT-5.2 and Codex-oriented model families)
• ●Text and image inputs with text outputs; audio (TTS/STT) and image generation endpoints
• ●Tool calling, structured/JSON outputs, and Assistants/Responses/Chat Completions APIs

OpenAI Codex

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OpenAI's coding model line: GPT-5.3-Codex and Codex-Spark preview

OpenAI Codex now refers to the modern Codex coding model family rather than the legacy 2023 Codex models. Current documentation highlights gpt-5.3-codex for Codex coding sessions and gpt-5.3-codex-spark as an ultra-fast research preview model for real-time coding. OpenAI also documents gpt-5-codex in the API model catalog with published pricing and large-context support.

• ●Recommended Codex model: gpt-5.3-codex
• ●Ultra-fast real-time preview model: gpt-5.3-codex-spark
• ●API model card available for gpt-5-codex with published pricing

Replit

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AI-first cloud IDE with Replit Agent, Core/Teams credits, and one-click app hosting

Replit is a browser-based IDE with Replit Agent for autonomous edits, chat, and code generation. Core and Teams plans bundle monthly credits for compute, databases, and AI. Build and deploy full-stack apps with connectors, auth, storage, and security scanning straight from the workspace—no setup required.

• ●Browser-based workspace with app hosting, DB, auth, storage, and security scanner
• ●Replit Agent for autonomous edits, chat, tests, and deploys
• ●One-click publish with bundled credits for compute and bandwidth

v0

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Generative UI builder with credits-based plans, Vercel deploys, and v0 Agent API

v0 by Vercel generates and edits React UIs from prompts with Tailwind/shadcn patterns, design mode, Figma import, GitHub sync, and one-click deploys to Vercel. Pricing is credits-based: Free ($5 monthly credits, 7 messages/day), Premium $20 with more credits and larger attachments, Team $30/user, Business $80/user with training opt-out, and Enterprise with SAML/SLAs. The v0 Agent API offers v0 Agent and v0-1.5 models with per-token pricing.

• ●Generate and refine React UIs from prompts
• ●Tailwind + shadcn patterns with responsive defaults
• ●Design Mode visual editing and GitHub sync

Vercel AI SDK

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Open-source TypeScript toolkit for streaming LLM apps with providers, tools, and generative UI

Vercel AI SDK (v6 beta) is a free, open-source toolkit for building streaming AI apps across Next.js, React, Vue/Nuxt, SvelteKit, and Node/Edge runtimes. It provides a unified provider API, tool calling, structured outputs (`generateObject`), server actions/RSC hooks, and generative UI helpers like `streamUI`, with adapters for OpenAI, Anthropic, Google, Mistral, Ollama, and more.

• ●Unified provider API with adapters for OpenAI/Anthropic/Google/Mistral/Ollama and more
• ●Streaming text, chat, and tool calls with React/Next server actions and RSC hooks
• ●Structured outputs via `generateObject` with schema validation

Warp Terminal

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Agentic terminal with credits-based plans, agents 3.0, and SOC2/SSO on business

Warp is a modern terminal with AI agents, code-aware blocks, and collaboration. Free includes limited credits and frontier model access; Build starts at $20/month with 1,500 AI credits and BYO key; Business $50/user/month adds SOC 2, SAML SSO, and enforced ZDR. Agents 3.0 run in-terminal and via Slack/Linear; Warp Drive syncs objects and prompts across teams.

• ●Blocks UI with IDE-like editing and navigation
• ●Agents 3.0 inside the terminal plus Slack/Linear
• ●AI workflows with frontier models and BYO key

Aider

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Open-source terminal pair programmer with git-native workflows

Aider is an open-source AI pair programming tool that runs in the terminal and keeps your workflow inside git. It can automatically create commits, apply diff-based edits across multiple files, and map your repository for large projects. Aider is model-flexible: you can use current OpenAI, Anthropic, Google, DeepSeek, and local model stacks through direct APIs, OpenRouter, Ollama, or compatible endpoints.

• ●Automatic git commits with descriptive messages
• ●Diff-based, multi-file editing directly in the terminal
• ●Works with current frontier model families (OpenAI, Anthropic, Gemini) plus DeepSeek and local models

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.

• ●Agentic chat and coding in IDEs with inline suggestions and repository-aware context
• ●CLI command completions and agentic workflows (Q Developer CLI users can upgrade to Kiro CLI)
• ●AWS Console assistant for troubleshooting, cost optimization, and architecture guidance

Claude 3.5 Sonnet

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Prior-generation Claude Sonnet model with 200K context for coding workflows

Claude 3.5 Sonnet (launched Aug 28, 2025) is Anthropic's prior-generation mid-tier Sonnet model line. It was widely used for coding and vision tasks with a 200K context window and $3/$15 per million input/output token pricing. Anthropic's current Sonnet default is the 4.6 line, so verify active model availability and pricing on official pages before implementation planning. Claude Sonnet 3.5 remains a historical benchmark entry and is superseded in many workflows by newer Sonnet 4.6 releases.

• ●200K token context window with text and image inputs
• ●Strong coding and multi-step reasoning performance
• ●Tool use/function calling and structured outputs

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.

• ●200K token context window with text and image inputs (extended thinking supported)
• ●Near-Sonnet 4 performance with faster latency and $1/$5 MTok pricing
• ●Full Claude tool set: code execution, bash, computer use, text editor, web search

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.

• ●Layered Core, AgentChat, and Extensions architecture with event-driven agents
• ●AutoGen Studio for visual multi-agent workflow building
• ●AutoGen Bench and Magentic-One reference agents for evaluation and examples

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.

• ●Generate and iteratively edit apps/sites with AI in the browser
• ●WebContainers-based workspace with live preview and package management
• ●Hosting, databases, auth, SEO, and custom domains via Bolt Cloud

Anthropic Claude API

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Build with Claude Opus 4.6, Sonnet 4.6, and Haiku via the Anthropic API

The Anthropic Claude API provides pay-per-use access to Claude's current model line: Opus 4.6 for highest-depth reasoning, Sonnet 4.6 as the general default, and Haiku for low-latency tasks. Anthropic states Sonnet 4.6 keeps Sonnet 4.5 pricing levels ($3/$15 per million input/output tokens), while Opus remains in the higher-cost tier ($5/$25). The API supports long-context workflows, tool use/function calling, prompt caching, and batch processing, with availability across Anthropic, Bedrock, Vertex AI, and Foundry integrations.

• ●Current Claude line includes Opus 4.6, Sonnet 4.6, and Haiku tiers
• ●Sonnet 4.6 for balanced cost/speed; Opus 4.6 for deepest reasoning
• ●Tool use/function calling and structured outputs

Claude Code

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Anthropic's coding companion for terminal and desktop, powered by Claude 4.6 models

Claude Code is Anthropic's terminal-first coding experience available in Claude desktop/web and CLI. It now centers on Sonnet 4.6 as the default and Opus 4.6 for deeper reasoning tiers, 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.

• ●Available in Claude desktop/web and CLI
• ●CLAUDE.md file for project-specific context
• ●Project-wide code search and multi-file editing

Claude Opus 4.6

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Anthropic frontier reasoning model for advanced coding tasks

Claude Opus 4.6 is Anthropic's current top-tier Opus model line for complex coding and agentic workflows. It is positioned above Sonnet 4.6 for tasks requiring deeper reasoning and higher precision. Pricing starts at $5 per 1M input tokens and $25 per 1M output tokens, with prompt caching and batch options for additional savings. This profile tracks the Opus line on the legacy claude-opus-4-5 route.

• ●Hybrid reasoning tuned for coding, agents, and computer-use tasks
• ●Opus 4.6 tier for highest-depth reasoning workloads
• ●Tool use/function calling with structured outputs

Amp (formerly Cody)

Sourcegraph enterprise coding assistant (Amp/Cody)

Sourcegraph Cody/Amp is now positioned for enterprise customers. Public Free and Pro self-serve plans were discontinued in 2025; current access is enterprise-oriented with contact-sales onboarding.

• ●Agentic coding with multi-step edits
• ●Uses frontier models with auto tool use
• ●Sourcegraph code graph context for repos

Continue

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Open-source, model-agnostic AI coding assistant for VS Code and JetBrains

Continue is an open-source coding assistant that lets developers use their own models (OpenAI, Anthropic, local via Ollama/LM Studio) with custom prompts and workflows. It runs as a VS Code and JetBrains extension, supports chat and completions, and can be self-hosted or run fully local for privacy.

• ●Model-agnostic with BYO keys
• ●Open-source and customizable prompts/commands
• ●Local/offline support via Ollama or LM Studio

CrewAI

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MIT-licensed agents, crews, and flows framework with optional control plane

CrewAI is an MIT-licensed Python framework for multi-agent automations. The 1.6.1 release (Nov 29 2025) ships Crews for autonomous collaboration and Flows for event-driven orchestration with guardrails, memory, knowledge, and observability hooks. It runs with your own model/API keys (OpenAI/Azure OpenAI, Anthropic, OpenAI-compatible providers like Groq, or local via Ollama/LM Studio) and offers an optional Crew Control Plane for hosted/on-prem tracing, triggers, and RBAC.

• ●Crews for autonomous agent collaboration and Flows for event-driven orchestration
• ●Guardrails, memory, knowledge, and structured outputs for production automations
• ●CLI/SDK with uv-based project scaffolding and tool integrations