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small business · ~25 min

Should I switch vendors or renegotiate? (small business)

Last verified: 2026-09-08Lumina seed `switch-or-renegotiate-vendor-decision`

Not legal advice on contracts. No invented BATNA. Paths are options—you own the call.

Top picks

Best Overall

Claude

Holds labeled paths and paste-only rules without inventing numbers.

Open Claude

Best Free

ChatGPT Free

Fast scorecard + path labels from one pack.

Open ChatGPT

Best Power-User

Claude + second pass in ChatGPT

Tree in one; invented-fact / tone check in the other. Gemini is also solid. You own the call—AI only structures options.

Open Claude

Protocol

  1. Paste facts (5–8 min).

    Assemble only what you actually know. Mark gaps [MISSING] / [NEED FACT]. Do not invent rates, BATNA, legal outcomes, or benchmarks. This small-business stay vs switch vs dual-source gate comes before vendor-supplier-negotiation-email (the email draft after you choose renegotiate).

    Paths at a glance

    PathLean this way when (from your paste)
    A — Renegotiate stayRelationship salvageable; you have volume/term facts; alternatives weak or costly to switch.
    B — Dual-sourceYou can qualify a second real supplier without inventing capacity; risk concentration is the issue.
    C — Switch with transitionYou have a real alternative quote/supplier and can name transition steps, inventory buffers, dates.
    D — Tolerate short-termShock is temporary per facts; switching cost high now; revisit date you set.
  2. Lock decision-tree rules (step 2).

    Paste the rules first so the model cannot mint BATNA, competitor quotes, or a switch threat when alternatives are NONE.

    Copy-paste prompt

    Help me run a SWITCH vs RENEGOTIATE vendor decision tree.
    Hard rules:
    - Use ONLY terms, quality, lead-time, volume, and alternatives I paste. Do not invent BATNA, competitor quotes, or market benchmarks.
    - If alternatives are NONE, say so—do not imply a switch threat.
    - Paths: Path A Renegotiate stay / Path B Dual-source / Path C Switch with transition / Path D Tolerate short-term.
    - Optional email bullets ONLY after I choose a path; full email belongs in my negotiation-email recipe.
    - Not legal advice on contracts. I decide.
    Confirm in one sentence, then wait for my pack.
  3. Fill pack (step 3a) and generate (step 3b).

    Paste the pack, then send the generate command. The model must not pick a path for you.

    Paste pack

    VENDOR: [ ]
    WHAT WE BUY: [ ]
    CURRENT PRICE / LEAD TIME / QUALITY ISSUES (facts): [ ]
    CONTRACT END / NOTICE RULES: [or MISSING]
    VOLUME WE ACTUALLY BUY: [ ]
    ALTERNATIVES I ACTUALLY HAVE (quotes, names I'm allowed to use): [or NONE—do not invent BATNA]
    SWITCHING COSTS / RISKS I KNOW: [or MISSING]
    DUAL-SOURCE FEASIBILITY (capacity, quals): [or MISSING]
    HOW LONG I CAN TOLERATE CURRENT STATE: [or NEED FACT]

    After you send the filled pack, copy the Generate command in the next box and paste it into the SAME chat so the AI runs the decision tree / produces the output.

    Generate command — copy and send this next (same chat)

    Build the decision tree now:
    1) Facts vs [MISSING]
    2) Scorecard table: Criterion | My fact | Lean (+/0/− or NEED FACT) | Note
    3) Path A Renegotiate stay / Path B Dual-source / Path C Switch with transition / Path D Tolerate short-term — for each: when it fits, what must be true from my pack, 3 owner-verify bullets
    4) Do NOT pick for me. Do not invent facts.
  4. Choose a path (step 4); optional wording.

    Only after you pick a labeled path. Owner-verify: facts still match your pack; [MISSING] gaps filled or accepted; any sendable wording uses only terms you authorize.

    Path wording

    I chose Path [A/B/C/D]. Draft short next-step bullets (and a brief email outline if Path A) using only alternatives and numbers I pasted.
    No invented BATNA or switch threats. Mark [NEED FACT].
  5. Second-model check (step 5).

    In the other tool, paste the tree plus your pack:

    Second-model check

    Here is a vendor stay/switch tree from another assistant plus my pack.
    Find: (1) invented BATNA/competitor quotes, (2) switch threats when alternatives were NONE, (3) dual-source claims without my feasibility facts, (4) contract reinterpretations as legal advice.
    Return only corrections.
  6. Human decide and act (step 6).

    Pick one path. Fill [NEED FACT] gaps from real sources. Send or implement yourself—AI drafts are not approvals, contracts, classifications, or tax elections. After Renegotiate, use the vendor negotiation-email how-to.

When not to

  • Do not invent alternative quotes, BATNA, or industry pricing.
  • Material contract changes—have counsel review.
  • Skip if you lack current terms and volume—pull PO history first.
  • NDA-bound competitor bids—do not paste if forbidden.

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