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: $226
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.
Re-check this stack before renewal or rollout.
Impact score: 80
Budget Work as an agentic consumption surface and validate workspace eligibility, roles, enabled apps, allowed actions, and cloud-versus-local access before rollout. Do not assume an included chat seat grants every file-creation or desktop-control workflow.
Update the decision memo before sharing this stack.
Impact score: 80
Business becomes a lower fixed-seat baseline, but coding-heavy teams must separately forecast token-credit consumption. Do not use the Business seat price as the complete Codex budget.
Update the decision memo before sharing this stack.
Impact score: 80
Keep bundled core AI and autonomous execution in separate budget lines. Before scheduling work, set the spend owner, allocation, alert threshold, hard limit, and human fallback for a paused workflow.
Update the decision memo before sharing this stack.
Impact score: 80
Teams should now model OpenAI as a three-tier GPT-5.6 family instead of a single premium flagship. Sol keeps GPT-5.5's flagship token price while improving agentic and computer-use performance; Terra and Luna create clearer cost-down paths for scaled assistants and subagents.
Update the decision memo before sharing this stack.
Impact score: 80
SMB buyers need to model the base Business plan and Copilot add-on together using the current bundle prices.
Update the decision memo before sharing this stack.
Impact score: 80
Heavy individual buyers can now choose a lower Pro entry point before jumping to the highest usage tier.
Update the decision memo before sharing this stack.
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.
Update the decision memo before sharing this stack.
Impact score: 80
NotebookLM is no longer safe to treat as a niche sidecar for only a few power users. Buyers comparing research-heavy seats now need to consider it as a mainstream specialist for source-grounded synthesis, especially inside Google-centric teams.
Update the decision memo before sharing this stack.
Impact score: 25
Capacity-sensitive buyers should check which Google AI Ultra storage tier they are buying before assuming maximum NotebookLM limits.
Keep this change in the audit trail for the next review.
Decision memo
# AI Stack Decision Memo: Team AI shortlist Buyer context: team / coding Team size: 5 Selected tools: Notion AI, NotebookLM, ChatGPT, Microsoft 365 Copilot Business Estimated monthly self-serve cost: $226 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. - ChatGPT: ChatGPT Work creates a distinct outcome-agent surface between Chat and Codex.. Update the decision memo before sharing this stack. - ChatGPT: ChatGPT Business annual pricing is now $20 per user per month, while Codex usage moves to a token ratecard.. Update the decision memo before sharing this stack. - Notion AI: Notion autonomous work is now a shared-credit operating model, not simply included workspace AI.. Update the decision memo before sharing this stack. - ChatGPT: GPT-5.6 replaces GPT-5.5 across ChatGPT, Codex, and the OpenAI API.. Update the decision memo before sharing this stack. - Microsoft 365 Copilot Business: Microsoft 365 Copilot Business bundle pricing now shows Business Standard + Copilot at $23.50/user/month paid yearly.. Update the decision memo before sharing this stack. - ChatGPT: ChatGPT Pro is now split into $100 and $200 monthly tiers.. Update the decision memo before sharing this stack. - ChatGPT: Codex plugins, annotations, and Sites push ChatGPT beyond coding-only workflows. Update the decision memo before sharing this stack. - NotebookLM: NotebookLM's wider rollout and multilingual audio push it onto more mainstream shortlists. Update the decision memo before sharing this stack. - NotebookLM: NotebookLM Ultra limits now differ between 20 TB and 30 TB Google AI Ultra tiers.. Keep this change in the audit trail for the next review. ## Pricing Caveats - NotebookLM: No published seat pricing is available for direct comparison. - At least one selected tool lacks complete self-serve monthly pricing. ## Evidence Freshness - All selected tool records are within the 30-day review window. ## Evidence - [Notion AI](https://www.notion.com/pricing) - [NotebookLM](https://notebooklm.google) - [ChatGPT](https://chatgpt.com) - [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) - [chatgpt vs grok](/compare/chatgpt-vs-grok) - [chatgpt vs perplexity](/compare/chatgpt-vs-perplexity) - [microsoft-365-copilot-business vs chatgpt](/compare/microsoft-365-copilot-business-vs-chatgpt) - [notion-ai vs chatgpt](/compare/notion-ai-vs-chatgpt) - [claude vs notion-ai](/compare/claude-vs-notion-ai) - [gemini vs notion-ai](/compare/gemini-vs-notion-ai) - [glean vs notion-ai](/compare/glean-vs-notion-ai) - [microsoft-365-copilot-business vs notion-ai](/compare/microsoft-365-copilot-business-vs-notion-ai) - [notebooklm vs notion-ai](/compare/notebooklm-vs-notion-ai) - [microsoft-365-copilot-business vs gemini](/compare/microsoft-365-copilot-business-vs-gemini) - [customgpt vs chatgpt](/compare/customgpt-vs-chatgpt) - [glean vs chatgpt](/compare/glean-vs-chatgpt) - [cursor vs chatgpt](/compare/cursor-vs-chatgpt) - [perplexity vs notebooklm](/compare/perplexity-vs-notebooklm)
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