GPT-4o
OpenAIThe multimodal frontier of AI
Re-ranked for legal work — weighted toward reasoning, long-context handling and document analysis, with coding and multimodal weighted down.
Quick answer: The best AI model for lawyers right now is GPT-4o by OpenAI — scoring 97.2/100 on our lawyers-weighted formula.
The multimodal frontier of AI
Harvey is built on GPT-4o, optimized for legal workflows.
Vigilant AI for complex tasks
Spellbook is built on Claude, optimized for contract drafting and review.
Expansive context and multimodal intelligence
Open innovation for powerful LLMs
The workhorse of generative AI
Harvey is built on GPT-4o, optimized for legal workflows.
Efficient and powerful reasoning
High performance open-weight model
Enterprise-grade RAG and grounding
Powerful AI in a compact package
Google's open model for responsible AI
The three weights that move the ranking most for lawyers.
Legal analysis hinges on multi-step argumentation, statutory interpretation and edge-case spotting — raw reasoning quality matters more than anything else.
Contracts, case files and discovery sets routinely run hundreds of pages; models with large context windows avoid lossy summarisation.
Clause extraction, redlining and citation lookup require precise structured reading — not creative generation.
ChatGPT Team and Enterprise tiers offer data-processing addenda and EU data residency, and OpenAI does not train on Team/Enterprise data by default. The free and Plus tiers are not appropriate for client-confidential matter without further safeguards. Always check your jurisdiction's bar guidance.
Yes, with the right tier and configuration. Stick to enterprise/team plans with no-training defaults, signed DPAs, and SSO. For privileged matter, consider deployments running in your own VPC (Azure OpenAI, AWS Bedrock, Vertex AI) or specialised legal tools like Harvey.
Models with strong reasoning and 200k+ token context windows tend to win. Today the top of this ranking reflects exactly that — see the #1 spot for the current pick.
Yes. The score is fully algorithmic and re-weighted for legal use cases. Some outbound links are affiliate, marked rel="sponsored". No vendor pays for placement.
Want the full picture? Read the methodology →