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© 2026 Rival
  1. Home
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  3. Grok 4.1 Fast
  4. Adversarial Contract Review

See how Grok 4.1 Fast compares on this challenge:

  • Grok 4.1 Fast vs Claude Sonnet 4.6
  • Grok 4.1 Fast vs Gemini 3.1 Pro Preview
  • Grok 4.1 Fast vs Z.ai: GLM 5

4 models have responded to the "Adversarial Contract Review" challenge. Compare their approaches side-by-side on RIVAL. This response is part of RIVAL's open dataset of 5,600+ AI model responses.

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Back to Grok 4.1 Fast

Adversarial Contract Review

Grok 4 1 Fast's response to the 'Adversarial Contract Review' challenge.

Grok 4.1 Fast
February 3, 2026
Text

?
Prompt

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp Solutions Inc. ("Client") and [Contractor Name] ("Contractor"). 1. SCOPE: Contractor shall provide software development services as directed by Client. Client reserves the right to modify the scope at any time without additional compensation. 2. PAYMENT: Contractor shall be paid $150/hour, invoiced monthly. Payment is due within 90 days of invoice receipt. Client may withhold payment if deliverables are deemed "unsatisfactory" at Client's sole discretion. 3. INTELLECTUAL PROPERTY: All work product, including any tools, libraries, or methodologies developed during the engagement, shall be the exclusive property of Client in perpetuity, including any work created using Contractor's pre-existing IP. 4. NON-COMPETE: Contractor agrees not to provide similar services to any company in the same industry as Client for 24 months following termination. 5. TERMINATION: Client may terminate this agreement at any time without notice. Contractor must provide 60 days written notice. Upon termination, Contractor must immediately deliver all work in progress without additional compensation. 6. LIABILITY: Contractor assumes all liability for any bugs, security vulnerabilities, or system failures in delivered software, including consequential damages, with no cap on liability. 7. INDEMNIFICATION: Contractor shall indemnify Client against all claims arising from Contractor's work, including claims by third parties, regardless of fault. 8. CONFIDENTIALITY: Contractor shall not disclose any information about this engagement, including the terms of this agreement, for 5 years after termination. 9. DISPUTE RESOLUTION: Any disputes shall be resolved through binding arbitration in Client's home jurisdiction, with costs borne by the losing party. --- Find all clauses that could be exploited against the contractor, suggest specific modifications, and explain the legal reasoning.

Grok 4.1 Fast
Response

grok-4.1-fast logo
Grok 4.1 FastAdversarial Contract Review
grok-4.1-fast logo
Grok 4.1 Fast

Analysis of Exploitable Clauses

Below, I identify all nine clauses as potentially exploitable against the Contractor, explain the risks (how they could be abused), propose specific modifications to make the contract more balanced, and provide legal reasoning grounded in general principles of U.S. contract law (assuming a U.S. jurisdiction, as is common for such agreements; specifics may vary by state). These issues often render clauses unconscionable (one-sided and oppressive), unenforceable under public policy, or modifiable by courts for reasonableness. Courts frequently strike or reform overly harsh terms, especially in adhesion contracts like this.

1. SCOPE

Exploitation Risk: Client can expand work indefinitely ("as directed") without extra pay, enabling massive scope creep and free labor.

Suggested Modification:

"Contractor shall provide software development services as specified in attached Statement of Work (SOW). Changes to the SOW must be agreed in writing via change order, including adjustments to scope, timeline, and compensation at the agreed hourly rate."

Legal Reasoning: Contracts require mutual assent and consideration for modifications (Restatement (Second) of Contracts § 89). Unilateral changes without compensation violate this. Courts imply a duty of good faith and fair dealing (UCC § 1-304; common law), preventing abuse. Reference to an SOW/change orders standardizes changes, making it enforceable.

2. PAYMENT

Exploitation Risk: 90-day payment window risks cash flow issues; "unsatisfactory" withholding at "sole discretion" allows arbitrary non-payment.

Suggested Modification:

"Contractor shall be paid $150/hour, invoiced monthly with supporting timesheets. Payment is due within 30 days of invoice receipt. Late payments accrue interest at 1.5% per month. Client may withhold payment only for specific disputed items (not exceeding 20% of invoice), with disputed amounts placed in escrow pending resolution. 'Unsatisfactory' deliverables must be identified in writing within 10 days of receipt, with a 30-day cure period."

Legal Reasoning: Prompt payment statutes (e.g., many states require 30 days; California's Business & Professions Code § 580b) and quantum meruit (payment for value received) protect contractors. Subjective "sole discretion" is unconscionable (Williams v. Walker-Thomas Furniture Co., 350 F.2d 445 (D.C. Cir. 1965)). Escrow and cure periods promote fairness and good faith.

3. INTELLECTUAL PROPERTY

Exploitation Risk: Claims Contractor's pre-existing IP (e.g., personal libraries) as Client's forever, even if unrelated, stifling Contractor's future work.

Suggested Modification:

"Work product created specifically under this Agreement shall be 'work made for hire' owned by Client. Contractor retains ownership of pre-existing IP, granting Client a perpetual, non-exclusive, royalty-free license for use in the deliverables. Contractor warrants it has rights to incorporate pre-existing IP."

Legal Reasoning: Copyright Act (17 U.S.C. § 101) defines "work made for hire" narrowly; pre-existing IP isn't automatically transferred without explicit assignment and consideration. Blanket claims violate public policy favoring innovation (e.g., courts void overreaching IP grabs). A license balances interests without full forfeiture.

4. NON-COMPETE

Exploitation Risk: 24-month blanket ban on "similar services" to any "same industry" company worldwide blocks Contractor's livelihood.

Suggested Modification:

"For 12 months post-termination, Contractor shall not solicit Client's direct clients or employees. Non-compete limited to [specific geographic area, e.g., Client's state] and direct competitors providing identical services to Client's customers."

Legal Reasoning: Non-competes must be reasonable in time, scope, and geography to protect legitimate interests (e.g., trade secrets), or they're void (Restatement (Second) of Contracts § 188; upheld in CA only if narrow, Business & Professions Code § 16600). 24 months/industry-wide is overbroad and unenforceable (e.g., Edwards v. Arthur Andersen, 44 Cal. 4th 937 (2008)). Narrowing protects Client without undue burden.

5. TERMINATION

Exploitation Risk: Client terminates instantly for free; Contractor must give 60 days' notice and hand over unfinished work unpaid.

Suggested Modification:

"Either party may terminate with 30 days' written notice. Client may terminate for cause (material breach) immediately upon notice. Upon termination, Client pays for all work completed and accepted up to termination date at the hourly rate; Contractor delivers work in progress with reasonable assistance for handover (billed at hourly rate)."

Legal Reasoning: Symmetry in termination rights is standard; one-sided terms are unconscionable. Contractor entitled to quantum meruit for partial performance (UCC § 2-709). Courts imply good faith, preventing "termination for convenience" to avoid payment.

6. LIABILITY

Exploitation Risk: Uncapped liability for unforeseeable damages (e.g., business losses from a bug) could bankrupt Contractor.

Suggested Modification:

"Contractor's total liability shall not exceed fees paid under this Agreement. Contractor is not liable for indirect, consequential, or punitive damages. Contractor warrants deliverables free of known defects at acceptance; Client must notify of issues within 90 days."

Legal Reasoning: Limitation of liability clauses are enforceable if not unconscionable (e.g., netting to fees paid is common). Uncapped consequential damages violate Hadley v. Baxendale (1854) foreseeability rule and public policy (risk allocation). Warranties with notice periods shift burden post-acceptance.

7. INDEMNIFICATION

Exploitation Risk: "Regardless of fault" makes Contractor liable for Client's negligence or third-party claims.

Suggested Modification:

"Contractor shall indemnify Client against claims arising from Contractor's gross negligence or willful misconduct, to the extent of Contractor's insurance coverage. Each party indemnifies the other for its own gross negligence or willful misconduct."

Legal Reasoning: Indemnity must be clear and unequivocal; "regardless of fault" is overly broad and often void as against public policy (e.g., no indemnity for own negligence without explicit language, Rossmoor Sanitation, Inc. v. Pylon, Inc., 13 Cal. 3d 622 (1975)). Mutual terms ensure mutuality of obligation.

8. CONFIDENTIALITY

Exploitation Risk: Bans discussing contract terms (e.g., to warn others), potentially gagging whistleblowing or reviews.

Suggested Modification:

"Contractor shall keep Client's confidential information (marked or designated as such) confidential for 3 years post-termination. This does not apply to legally required disclosures, general terms not identifying Client, or information independently developed."

Legal Reasoning: NDAs must be reasonable; perpetual or overbroad secrecy (e.g., contract terms) chills speech and may violate NLRB rights or anti-SLAPP laws. Exceptions for legality/public info are standard (Uniform Trade Secrets Act § 1).

9. DISPUTE RESOLUTION

Exploitation Risk: Arbitration in Client's venue, loser-pays, favors Client (higher costs deter Contractor).

Suggested Modification:

"Disputes shall be resolved by binding arbitration under AAA rules in a neutral location (e.g., [neutral city]) or Contractor's home jurisdiction if closer. Each party bears its own costs; prevailing party recovers reasonable attorneys' fees."

Legal Reasoning: FAA (9 U.S.C. § 2) upholds arbitration if not unconscionable. Biased venue/costs are struck (e.g., Armendariz v. Foundation Health, 24 Cal. 4th 83 (2000): mutuality, neutrality required). AAA rules provide fairness; fee-shifting only for prevailing party incentivizes settlement.

Overall Recommendations

  • Add Governing Law: "Governed by [neutral state, e.g., Delaware] law."
  • Entire Agreement/Severability: Standard clauses to allow bad terms to be severed.
  • Negotiate Insurance: Require Client to carry cyber liability; Contractor maintains professional liability.
  • Seek Legal Review: These mods improve balance, increasing enforceability. Consult a lawyer for jurisdiction-specific advice (e.g., CA voids most non-competes).

This redline protects the Contractor while remaining commercially viable.

Adversarial Contract Review

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About Grok 4.1 Fast

Capabilities

ConversationReasoningCode GenerationAnalysisTool Use

Categories

TextCodeMultimodal

Specifications

Provider
Xai
Released
2025-11-21
Size
XLARGE

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Claude Sonnet 4.6's version

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