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: $342
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: 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.
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
Treat the selected workspace, mount policy, and enabled connector or MCP set as the governance unit—not only the Claude seat. Pilot on approved folders with a review gate, separate usage or spend cap, and a clear escalation path for consequential actions.
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
Use the incentive to reduce onboarding cost, but do not claim annual savings from the promotional rate. Compare the steady-state Workspace price with any separate assistant or Microsoft 365 base-plan-plus-Copilot alternative.
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
API-heavy agent teams have a time-limited reason to benchmark Sonnet 5 now: its launch rate undercuts GPT-5.6 Sol and Claude Opus while approaching higher-tier agentic performance. Budgets must still model the September price step-up.
Update the decision memo before sharing this stack.
Impact score: 80
Teams comparing Claude as an agent-stack model should stop using the old 4.6 labels. Fable is now the highest-capability Claude option, Opus remains the complex coding and enterprise-work choice, Sonnet is the balance point, and Haiku is the scaled low-cost option.
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.
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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.
Update the decision memo before sharing this stack.
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.
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: 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.
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: Perplexity, ChatGPT, Claude, NotebookLM, Gemini Estimated monthly self-serve cost: $342 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: ChatGPT Work creates a distinct outcome-agent surface between Chat and Codex.. Update the decision memo before sharing this stack. - Claude: Claude Cowork expands Claude into a scoped desktop outcome agent for paid plans.. 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. - Gemini: Google Workspace's new-customer promotion lowers the first three months, not the long-term Gemini baseline.. 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. - Claude: Claude Sonnet 5 launch pricing is $2/$10 per MTok through August 31.. Update the decision memo before sharing this stack. - Claude: Claude model cards now use Fable 5, Opus 4.8, Sonnet 5, and Haiku 4.5.. 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. - Claude: Claude Code plugins make Claude easier to standardize for expert engineering pods. 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. - Claude: Claude now exposes Team Standard and Team Premium as a public buying surface. 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 - [Perplexity](https://www.perplexity.ai) - [ChatGPT](https://chatgpt.com) - [Claude](https://claude.ai) - [NotebookLM](https://notebooklm.google) - [Gemini](https://workspace.google.com/pricing?hl=en_us) - [chatgpt vs claude](/compare/chatgpt-vs-claude) - [chatgpt vs gemini](/compare/chatgpt-vs-gemini) - [claude vs gemini](/compare/claude-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) - [microsoft-365-copilot-business vs gemini](/compare/microsoft-365-copilot-business-vs-gemini) - [claude vs notion-ai](/compare/claude-vs-notion-ai) - [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) - [notebooklm vs notion-ai](/compare/notebooklm-vs-notion-ai)
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