AgentStackWatch

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AI agents, side by side

Pick two and see price, maker and what's changed lately in one table. Every fact links to the company's own page and the data refreshes daily. We don't pick winners. Not sure where to start? Read the buyer's guide first.

AI assistants for you and your team

ChatGPT, Claude, Grok Bot, Gemini, Manus and more: what each costs and what you get.

ComparisonPrice at a glance
OpenClaw vs Hermes AgentOpenClaw Foundation (501(c)(3)) · Nous ResearchOpenClaw: Free; no paid tier or hosted serviceHermes Agent: Free (MIT); optional Nous Portal subscription
ChatGPT dots vs Claude (app)OpenAI · AnthropicChatGPT dots: First dot included in Pro, Business Premium, Enterprise (rolling out)Claude (app): Free; Pro $20/mo ($17/mo annual); Max 5x $100/mo; Max 20x $200/mo
Grok Bot vs ChatGPT dotsxAI · OpenAIGrok Bot: Included in X Premium ($30/mo), Super ($100/mo), Ultra ($200/mo); not in Plus. Team seats:ChatGPT dots: First dot included in Pro, Business Premium, Enterprise (rolling out)
Grok Bot vs Claude (app)xAI · AnthropicGrok Bot: Included in X Premium ($30/mo), Super ($100/mo), Ultra ($200/mo); not in Plus. Team seats:Claude (app): Free; Pro $20/mo ($17/mo annual); Max 5x $100/mo; Max 20x $200/mo
Grok Bot vs Gemini AgentxAI · GoogleGrok Bot: Included in X Premium ($30/mo), Super ($100/mo), Ultra ($200/mo); not in Plus. Team seats:Gemini Agent: Google AI Ultra ($99.99/mo 5x or $199.99/mo 20x); US, English only
Claude (app) vs Gemini AgentAnthropic · GoogleClaude (app): Free; Pro $20/mo ($17/mo annual); Max 5x $100/mo; Max 20x $200/moGemini Agent: Google AI Ultra ($99.99/mo 5x or $199.99/mo 20x); US, English only
Manus vs LindyManus AI · LindyManus: Free $0; Pro from $20/mo (4,000 credits) or $40/mo; Team from $20/seat/mo; Enterprise custLindy: From $29.99/user/mo (3,000 credits); Plus, Pro, Max tiers; Enterprise custom; $50 free cre
OpenClaw vs Grok BotOpenClaw Foundation (501(c)(3)) · xAIOpenClaw: Free; no paid tier or hosted serviceGrok Bot: Included in X Premium ($30/mo), Super ($100/mo), Ultra ($200/mo); not in Plus. Team seats:
Manus vs ChatGPT dotsManus AI · OpenAIManus: Free $0; Pro from $20/mo (4,000 credits) or $40/mo; Team from $20/seat/mo; Enterprise custChatGPT dots: First dot included in Pro, Business Premium, Enterprise (rolling out)
Perplexity Comet vs Gemini AgentPerplexity · GooglePerplexity Comet: Free; Comet Plus $5/mo (included in Perplexity Pro/Max)Gemini Agent: Google AI Ultra ($99.99/mo 5x or $199.99/mo 20x); US, English only

Platforms for businesses running their own agents

Cloud services companies use to host and run agents.

ComparisonPrice at a glance
Claude Managed Agents vs OpenAI Agents APIAnthropic · OpenAIClaude Managed Agents: Model token rates + $0.08 per active session-hour; web search $10/1kOpenAI Agents API: No platform fee; tokens + tool/container rates
Vertex AI Agent Engine vs Amazon Bedrock AgentCoreGoogle Cloud · AWSVertex AI Agent Engine: Agent Compute $0.085/vCPU-hr (50 vCPU-hr/mo free); memory $0.009/GiB-hr (100 GiB-hr free);Amazon Bedrock AgentCore: Runtime microVM V1 $0.0895/vCPU-hr + $0.00945/GB-hr; V2 $0.1276/vCPU-hr + $0.0169/GB-hr; p

Tools for developers building agents

Open-source building blocks, compared on popularity and how often they ship.

ComparisonPrice at a glance
LangGraph vs CrewAILangChain · CrewAILangGraph: Free / open sourceCrewAI: Free / open source
OpenAI Agents SDK vs Claude Agent SDKOpenAI · AnthropicOpenAI Agents SDK: Free / open sourceClaude Agent SDK: Free / open source
Pydantic AI vs LangGraphPydantic · LangChainPydantic AI: Free / open sourceLangGraph: Free / open source
Mastra vs Vercel AI SDKMastra · VercelMastra: Free / open sourceVercel AI SDK: Free / open source
LangGraph vs OpenAI Agents SDKLangChain · OpenAILangGraph: Free / open sourceOpenAI Agents SDK: Free / open source

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