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  3. Adversarial Contract Review
Best AI for:Complex ReasoningLegal AnalysisPractical Tasks
212 models tested:Aurora AlphaChatGPT-4o (March 2025)Claude 3 HaikuClaude 3.7 SonnetClaude 3.7 Thinking SonnetClaude Fable 5Claude Haiku 4.5Claude Opus 4
+204 moreFewerClaude Opus 4.1Claude Opus 4.5Claude Opus 4.6Claude Opus 4.7Claude Opus 4.8Claude Opus 5Claude Sonnet 3.6 (2022-10-22)Claude Sonnet 4Claude Sonnet 4.5Claude Sonnet 4.6Claude Sonnet 5DeepSeek R1DeepSeek R1 0528DeepSeek V3 (March 2024)DeepSeek V3.1DeepSeek V3.2DeepSeek V3.2 ExpDeepSeek V3.2 SpecialeDeepSeek V4 FlashDeepSeek V4 Flash 0731DeepSeek V4 ProDeepSeek V4 Pro 0813Dots3-Note PreviewElephant AlphaERNIE 4.5 300B A47BGemini 2.5 Flash Lite Preview 09-2025Gemini 2.5 Flash Preview 09-2025Gemini 2.5 Pro (I/O Edition)Gemini 2.5 Pro ExperimentalGemini 2.5 Pro Preview 06-05Gemini 3 Flash PreviewGemini 3 Pro PreviewGemini 3.1 Flash LiteGemini 3.1 Flash Lite PreviewGemini 3.1 Pro PreviewGemini 3.5 FlashGemini 3.6 FlashGemini 3.7 FlashGemini 3.8 FlashGemma 3 12BGemma 3 27BGemma 3n 2BGemma 3n 4BGemma 4 26B A4BGemma 4 31BGLM 4 32BGLM 4.5GLM 4.5 AirGLM 4.6GLM 4.7GLM 4.7 FlashGLM 5GLM 5 TurboGLM 5.1GLM 5.2GPT OSS 120BGPT OSS 20BGPT-3.5 TurboGPT-4GPT-4.1GPT-4.1 MiniGPT-4.1 NanoGPT-4o (Omni)GPT-4o miniGPT-5GPT-5 CodexGPT-5 MiniGPT-5 NanoGPT-5 ProGPT-5.1GPT-5.1 ChatGPT-5.1 Codex MaxGPT-5.1-CodexGPT-5.1-Codex-MiniGPT-5.2GPT-5.2 ChatGPT-5.2 ProGPT-5.3 ChatGPT-5.3-CodexGPT-5.4GPT-5.4 MiniGPT-5.4 NanoGPT-5.4 ProGPT-5.5GPT-5.6 LunaGPT-5.6 Luna ProGPT-5.6 SolGPT-5.6 TerraGPT-6 AstraGranite 4.2 8BGrok 3Grok 3 BetaGrok 4Grok 4.1 FastGrok 4.20 BetaGrok 4.20 Multi-Agent BetaGrok 4.3Grok 4.5Grok 4.6Grok Code Fast 1Healer AlphaHunter AlphaHy4 PreviewInklingINTELLECT-3Kimi K2Kimi K2 0905Kimi K2 ThinkingKimi K2.5Kimi K2.6Kimi K2.7 CodeKimi K3LFM2.5-2.6BLing 2.6 1TLing 2.6 FlashLlama 3 70BLlama 3.1 70B (Instruct)Llama 4 MaverickLlama 4 ScoutMercuryMercury 2Mercury 2.5 PreviewMiMo-V2-FlashMiMo-V2-OmniMiMo-V2-ProMiMo-V2.5MiMo-V2.5-ProMiniMax M1MiniMax M2-herMiniMax M2.1MiniMax M2.5MiniMax M2.7MiniMax M3Mistral Devstral MediumMistral Devstral Small 1.1Mistral LargeMistral Large 2Mistral Large 3 2512Mistral Medium 3Mistral Medium 3.1Mistral NemoMistral Small 4Mistral Small CreativeMuse Spark 1.1Muse Spark 1.3Muse Spark 1.3 ContributorNemotron 3 UltraNemotron 3.5 Content SafetyNemotron 3.5 LightningNorth Mini CodeNova Premier 1.0NVIDIA Nemotron 3 Super (free)NVIDIA Nemotron Nano 9B V2o1o3 MiniOpenAI o3OpenAI o4 Mini HighOpenAI o4-miniOpenRouter Fusion · Budget (Jun 2026)OpenRouter Fusion · Quality (Jun 2026)Owl AlphaOx AlphaPony AlphaQwen Plus 0728Qwen Plus 0728 (thinking)Qwen3 235B A22BQwen3 235B A22B 2507Qwen3 235B A22B Thinking 2507Qwen3 30B A3BQwen3 30B A3B Instruct 2507Qwen3 30B A3B Thinking 2507Qwen3 CoderQwen3 Coder FlashQwen3 Coder NextQwen3 Coder PlusQwen3 MaxQwen3 Max ThinkingQwen3 Next 80B A3B InstructQwen3 Next 80B A3B ThinkingQwen3.5 122B A10BQwen3.5 27BQwen3.5 35B A3BQwen3.5 397B A17BQwen3.5 9BQwen3.5 FlashQwen3.5 Plus 2026-02-15Qwen3.5 Plus 2026-04-20Qwen3.6 27BQwen3.6 35B A3BQwen3.6 FlashQwen3.6 Max PreviewQwen3.6 Plus Preview (free)Qwen3.7 MaxQwen3.7 PlusQwen3.8 2.4T A95BQwen3.8 27BQwen3.8 MaxRing 2.6 1TSeed 2.0 CodeSeed 2.0 LiteSeed 2.1 TurboSolar Pro 3Sonar Pro SearchTNG R1T Chimera

Best AI for Adversarial Contract Review

Top Performers: Adversarial Contract Review

Feb – Sep 2026
#1Qwen3.6 27B81% win rateHigh confidence
#2Qwen3.7 Max79% win rateMed confidence
#3GLM 4.5 Air74% win rateHigh confidence
Compare top performers →

Single-shot · temp 0.7 · real votes · identical prompts·How we test →

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Back to Challenges
HardReasoning

Adversarial Contract Review

A consulting contract with traps in it. Find them, then fix them.

The 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.

How the models did

212 found
aurora-alpha logo
Aurora AlphaAdversarial Contract Review
aurora-alpha logo
Aurora Alpha
The model returned empty.
Feb 2026·Adversarial Contract Review~$0.00◆27
chatgpt-4o-03-25 logo
ChatGPT-4o (March 2025)Adversarial Contract Review
chatgpt-4o-03-25 logo
ChatGPT-4o (March 2025)
The model returned empty.
Feb 2026·Adversarial Contract Review~$0.0025◆23
claude-3-haiku logo
Claude 3 HaikuAdversarial Contract Review
claude-3-haiku logo
Claude 3 Haiku
The model returned empty.
Feb 2026·Adversarial Contract Review~$0.00013◆18
claude-3.5-sonnet logo
Claude Sonnet 3.6 (2022-10-22)Adversarial Contract Review
claude-3.5-sonnet logo
Claude Sonnet 3.6 (2022-10-22)
The model returned empty.
Feb 2026·Adversarial Contract Review~$0.0015◆21
claude-3.7-sonnet-thinking logo
Claude 3.7 Thinking SonnetAdversarial Contract Review
claude-3.7-sonnet-thinking logo
Claude 3.7 Thinking Sonnet
The model returned empty.
Feb 2026·Adversarial Contract Review~$0.0031◆25
claude-3.7-sonnet logo
Claude 3.7 SonnetAdversarial Contract Review
claude-3.7-sonnet logo
Claude 3.7 Sonnet
The model returned empty.
Mar 2026·Adversarial Contract Review$0.016◆25