AgentHubKnow when to buy, switch, or wait on your AI tool stack.
Change impact watchlist
Save the tools your team is evaluating, see which tracked changes affect that shortlist, and generate a decision memo you can share without sending internal docs or code.
Impact alerts
Estimated monthly cost: $368
The highest alert priority is urgent, so the score is 95. Scale: urgent=95 / update=80 / review=55 / watch=25.
Impact score: 95
Teams comparing ChatGPT against Claude, Gemini, or specialist coding tools should treat GPT-5.5 as the current capability baseline. ChatGPT Business is more compelling for mixed-role teams because GPT-5.5 Pro access, Codex, connectors, and governance can sit in one workspace seat, while API-heavy buyers must model the higher GPT-5.5 token price separately from subscription seats.
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Impact score: 95
Claude remains easier to defend as the reasoning-first and expert-coding option when the buyer is paying for answer quality, not just a broad default assistant layer.
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Impact score: 95
ChatGPT becomes easier to defend as the broad default when a team wants one OpenAI ladder spanning chat, coding, and API-adjacent work instead of a narrower assistant seat.
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Impact score: 80
Teams should no longer read Codex only as a developer coding add-on. For mixed-role teams, ChatGPT Business and Enterprise now have a stronger case as a workflow standardization layer for analysts, marketers, operators, product teams, and engineering-adjacent work. Pure IDE-native coding buyers should still compare Cursor, GitHub Copilot, and Claude Code separately.
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Impact score: 80
Claude remains easier to defend as a specialist coding and reasoning seat when a smaller technical group needs reusable terminal workflows, review hooks, MCP context, or team standards. This narrows the extensibility gap with Codex, but it does not make Claude the company-wide workflow default.
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Impact score: 80
Claude is easier to shortlist for real team buying now that the middle of the ladder is public instead of collapsing too quickly into individual Max tiers or an enterprise sales conversation.
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Impact score: 80
Copilot is still strongest for Microsoft-standardized teams, but monthly pilots are no longer easy to mistake for the cheaper annual line. Buyers now need to model add-on versus bundle paths more explicitly before comparing Microsoft against ChatGPT, Gemini, or Notion AI.
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Impact score: 80
Notion still works well as a bundled workspace AI buy, but teams that want sustained autonomous automation now need to budget a separate metered line instead of assuming the all-in workspace price covers everything.
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Impact score: 80
ChatGPT is easier to defend for price-sensitive individual rollout and for teams that want a softer on-ramp before deciding whether Plus or Business is worth standardizing.
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Impact score: 80
Claude is easier to position as a specialist-seat ladder for expert users, but it also becomes clearer how quickly costs can rise once a team needs Max-style capacity, Premium governance, or Enterprise-scale usage.
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Impact score: 80
Gemini is no longer just a Workspace bundle story or a single Pro reference point. Buyers now have a wider Google-native ladder, which strengthens Gemini in both consumer and suite-anchored shortlist conversations.
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Impact score: 80
Mixed-role teams can now justify ChatGPT as one workspace-wide purchase instead of buying one chat tool for knowledge work and another coding tool for technical users.
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Impact score: 80
For Google-centric teams, Gemini is no longer a separate experiment. It can ride on existing Workspace budgeting, which changes the default answer for meeting-heavy and document-heavy teams.
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Impact score: 80
The OpenAI stack now has a clearer step-down path below GPT-5.4, which matters for buyers comparing premium ChatGPT access against specialist tools or lower-cost suite bundles.
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Impact score: 80
This lowers the near-term barrier for Microsoft 365 customers to standardize on Copilot Business, especially against separate AI seats, but teams still need to account for the required qualifying Microsoft 365 base plan underneath the Copilot layer.
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Impact score: 80
For teams already considering Notion as a shared workspace, AI is now part of the workspace decision instead of a separate add-on line item, which improves Notion's seat economics against Copilot Business and other suite-native assistants.
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Decision memo
# AI Stack Decision Memo: Team AI shortlist Buyer context: team / coding Team size: 5 Selected tools: Claude, ChatGPT, Notion AI, Gemini, Microsoft 365 Copilot Business Estimated monthly self-serve cost: $368 Highest impact: urgent (95) Impact score basis: The highest alert priority is urgent, so the score is 95. Scale: urgent=95 / update=80 / review=55 / watch=25. ## Impact Alerts - ChatGPT: GPT-5.5 replaces the GPT-5.4 buying story across ChatGPT, Codex, and the API. Re-check this stack before renewal or rollout. - Claude: Claude Opus 4.6 and Sonnet 4.6 give Claude a stronger public capability case again. Re-check this stack before renewal or rollout. - ChatGPT: GPT-5.4 now anchors ChatGPT, Codex, and the API as OpenAI's main flagship layer. Re-check this stack before renewal or rollout. - ChatGPT: Codex plugins, annotations, and Sites push ChatGPT beyond coding-only workflows. Update the decision memo before sharing this stack. - Claude: Claude Code plugins make Claude easier to standardize for expert engineering pods. Update the decision memo before sharing this stack. - Claude: Claude now exposes Team Standard and Team Premium as a public buying surface. Update the decision memo before sharing this stack. - Microsoft 365 Copilot Business: Microsoft 365 Copilot Business now shows a clearer split between annual, monthly, and discounted bundle paths. Update the decision memo before sharing this stack. - Notion AI: Notion now prices Custom Agents separately after the bundled AI layer. Update the decision memo before sharing this stack. - ChatGPT: ChatGPT now exposes a Go tier between Free and Plus. Update the decision memo before sharing this stack. - Claude: Claude now publishes Max 5x and 20x tiers plus seat-and-usage enterprise pricing. Update the decision memo before sharing this stack. - Gemini: Google AI plans now span Plus, Pro, and Ultra around Gemini and NotebookLM. Update the decision memo before sharing this stack. - ChatGPT: ChatGPT Business now packages connectors and Codex inside one workspace seat. Update the decision memo before sharing this stack. - Gemini: Gemini is bundled into Google AI Pro and Workspace Business tiers. Update the decision memo before sharing this stack. - ChatGPT: GPT-5.4 mini and nano widen OpenAI's lower-cost ladder on March 17, 2026. Update the decision memo before sharing this stack. - Microsoft 365 Copilot Business: Microsoft discounts Copilot Business bundles and add-on pricing through June 30, 2026. Update the decision memo before sharing this stack. - Notion AI: Notion Business and Enterprise now include unlimited Notion AI. Update the decision memo before sharing this stack. ## Pricing Caveats - At least one selected tool lacks complete self-serve monthly pricing. ## Evidence - [Claude](https://claude.ai) - [ChatGPT](https://chatgpt.com) - [Notion AI](https://www.notion.com/pricing) - [Gemini](https://workspace.google.com/pricing?hl=en_us) - [Microsoft 365 Copilot Business](https://www.microsoft.com/en-us/microsoft-365-copilot/business) - [chatgpt vs claude](/compare/chatgpt-vs-claude) - [chatgpt vs gemini](/compare/chatgpt-vs-gemini) - [claude vs gemini](/compare/claude-vs-gemini) - [cursor vs chatgpt](/compare/cursor-vs-chatgpt) - [microsoft-365-copilot-business vs chatgpt](/compare/microsoft-365-copilot-business-vs-chatgpt) - [microsoft-365-copilot-business vs gemini](/compare/microsoft-365-copilot-business-vs-gemini) - [microsoft-365-copilot-business vs notion-ai](/compare/microsoft-365-copilot-business-vs-notion-ai) - [notion-ai vs chatgpt](/compare/notion-ai-vs-chatgpt) - [gemini vs notion-ai](/compare/gemini-vs-notion-ai) - [notebooklm vs notion-ai](/compare/notebooklm-vs-notion-ai) - [glean vs notion-ai](/compare/glean-vs-notion-ai)
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