Head-to-head # Agent vs agent, spec vs spec. 23 curated pairings — spec fields side by side, plus pick-which guidance. No benchmark claims; verified 2026-09-25. [CursorvsWindsurf / Devin Desktop Anysphere · ai-ide / Cognition · ai-ide The two flagship AI IDEs. Cursor is a VS Code fork with the largest third-party model pool; Windsurf (now under Cognition, alongside Devin) is the ex-Codeium editor built around Cascade agent flows.](https://www.agentlist.io/compare/cursor-vs-windsurf) [Claude CodevsCodex CLI Anthropic · cli-agent / OpenAI · cli-agent The two terminal-native agents bundled with the frontier subscriptions — Claude Pro/Max vs ChatGPT Plus/Pro. Both plan, run commands, and commit against your local checkout.](https://www.agentlist.io/compare/claude-code-vs-codex-cli) [Claude CodevsCursor Anthropic · cli-agent / Anysphere · ai-ide Terminal agent vs AI IDE — the two most-discussed paid setups. Claude Code runs supervised tasks from the shell; Cursor keeps the agent inside a VS Code-style editor.](https://www.agentlist.io/compare/claude-code-vs-cursor) [GitHub CopilotvsCursor GitHub · ide-extension / Anysphere · ai-ide Extension vs fork. GitHub Copilot rides inside the IDEs you already use; Cursor asks you to switch editors for a deeper agent integration.](https://www.agentlist.io/compare/copilot-vs-cursor) [AidervsClaude Code Community / OSS · cli-agent / Anthropic · cli-agent The original git-native pair-programmer vs the bundled frontier CLI. Aider is open source and BYOK; Claude Code is closed, subscription-gated, and ships first-party models.](https://www.agentlist.io/compare/aider-vs-claude-code) [ClinevsRoo Code Community / OSS · ide-extension / Roo Code Inc. · ide-extension The two best-known OSS VS Code agents. Cline is still active with BYOK + optional ClinePass; Roo Code was shut down in May 2026 and the team moved to Roomote.](https://www.agentlist.io/compare/cline-vs-roo-code) [DevinvsJules Cognition · cloud-agent / Google · cloud-agent Two cloud agents that take a ticket and return a PR. Devin runs in Cognition's sandbox with Slack/Linear bindings; Jules is Google's async issue-to-PR agent.](https://www.agentlist.io/compare/devin-vs-jules) [ZedvsCursor Zed Industries · ai-ide / Anysphere · ai-ide Two AI-native editors with opposite tradeoffs. Zed is fast, Rust-built, and BYOK-friendly; Cursor is the VS Code fork with the deepest agent features.](https://www.agentlist.io/compare/zed-vs-cursor) [Gemini CLIvsClaude Code Google · cli-agent / Anthropic · cli-agent Google's open-source terminal agent vs Anthropic's. Gemini CLI's free consumer path ended in June 2026 — API key or Code Assist seats are the remaining routes.](https://www.agentlist.io/compare/gemini-cli-vs-claude-code) [KirovsGoogle Antigravity Amazon Web Services · ai-ide / Google · ai-ide AWS's spec-driven agent IDE vs Google's agent-first IDE. Both are new, both push a 'plan first' workflow, both gate capacity behind their parents' subscriptions.](https://www.agentlist.io/compare/kiro-vs-antigravity) [OpenRoutervsLiteLLM OpenRouter · model-router / Community / OSS · model-router Two ways to put one API in front of many models. OpenRouter is a hosted router with 500+ models; LiteLLM is self-hosted OSS you operate yourself.](https://www.agentlist.io/compare/openrouter-vs-litellm) [WarpvsClaude Code Warp · cli-agent / Anthropic · cli-agent Terminal-with-agent vs agent-in-terminal. Warp ships its own coding agent (Warp Agent/Oz) inside a GPU terminal; Claude Code drops into whatever terminal you already run.](https://www.agentlist.io/compare/warp-vs-claude-code) [AlicevsAva 11x · digital-employee / Artisan · digital-employee The two best-known outbound AI SDRs. Alice (11x) pairs email/LinkedIn outbound with Julian on inbound calls; Ava (Artisan) bundles a large contact database and managed deliverability into one contract.](https://www.agentlist.io/compare/alice-vs-ava) [SierravsDecagon Sierra · digital-employee / Decagon · digital-employee The two flagship AI customer-service employees. Sierra sells outcome-priced resolution for large consumer brands; Decagon sells agent tooling with engineering-grade controls (AOPs) for the support ops team.](https://www.agentlist.io/compare/sierra-vs-decagon) [ClericvsResolve Cleric · ops-agent / Resolve · ops-agent The two dedicated AI SREs. Both watch alerts, investigate across observability stacks, and hand on-call engineers a root-cause hypothesis; Resolve leans on its Splunk/observability pedigree, Cleric on Slack-native team feedback loops.](https://www.agentlist.io/compare/cleric-vs-resolve) [Browser UsevsSkyvern Browser Use · computer-use / Skyvern · computer-use The two leading open-source browser-agent frameworks. Browser Use is the larger ecosystem and DOM-first; Skyvern leans on computer vision to operate unfamiliar sites without per-site scripting.](https://www.agentlist.io/compare/browser-use-vs-skyvern) [ChatGPT AgentvsManus OpenAI · computer-use / Manus · computer-use The two hosted general agents. ChatGPT Agent runs a managed browser inside your existing ChatGPT plan; Manus runs longer cloud-sandbox tasks and returns finished artifacts like sites and decks.](https://www.agentlist.io/compare/chatgpt-agent-vs-manus) [ChatGPT Deep ResearchvsGemini Deep Research OpenAI · research-agent / Google · research-agent The two frontier deep-research modes bundled in consumer subscriptions. OpenAI's pioneered the category and reaches the API; Google's integrates with Workspace and reads your Drive.](https://www.agentlist.io/compare/deep-research-vs-gemini-deep-research) [VapivsRetell AI Vapi · voice-agent / Retell AI · voice-agent The two leading developer platforms for phone agents. Vapi maximizes stack flexibility (swap STT/LLM/TTS per call); Retell emphasizes production call quality — latency, interruptions, transfers — with both API and no-code paths.](https://www.agentlist.io/compare/vapi-vs-retell) [CrewAIvsMicrosoft Agent Framework CrewAI · agent-communication / Microsoft · agent-communication The two leading multi-agent frameworks. CrewAI models role-based crews with a YAML/Python split and a managed console; Microsoft Agent Framework (the AutoGen + Semantic Kernel successor) pairs graph orchestration with deep Azure and .NET integration.](https://www.agentlist.io/compare/crewai-vs-agent-framework) [A2A ProtocolvsAGNTCY A2A Project · agent-communication / AGNTCY · agent-communication Two Linux-Foundation-era agent protocols. A2A standardizes task exchange and Agent Cards between agents; AGNTCY (Cisco-originated) aims at the whole 'Internet of Agents' stack — directory, SLIM messaging, identity, observability.](https://www.agentlist.io/compare/a2a-vs-agntcy) [x402vsAgent Payments Protocol Coinbase · agent-services / Google · agent-services The two open answers to 'how does an agent pay?' x402 (Coinbase) revives HTTP 402 for instant stablecoin settlement on Base; AP2 (Google) defines signed mandates that prove authorization over existing card and payment rails.](https://www.agentlist.io/compare/x402-vs-ap2) [SkyfirevsPayman Skyfire · agent-services / Payman · agent-services Agent payments with two trust models. Skyfire is a network play — agent wallets plus KYA identity so services can accept payment from unknown agents. Payman is a policy play — wallets with limits and human approval so a bounded agent can't run off with the budget.](https://www.agentlist.io/compare/skyfire-vs-payman) Want a pairing we haven't covered? The raw fields behind every page are also in the [machine-readable feed](https://www.agentlist.io/api/v1/systems) and on each system's [spec sheet](https://www.agentlist.io/systems). --- Source: [Compare AI agents head to head | agentlist.io](https://www.agentlist.io/compare). This is the public page rendered as Markdown; interactive controls require the website.