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100+ AI Models

Choose from leading AI models with transparent cost multipliers. Use cheaper models for simple tasks, powerful models for complex reasoning.

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Featured Models

The most popular models for legal work
CaseMark Core 2
Optimized for legal work
1.0x

Our flagship model, purpose-built for legal professionals. Optimized for legal terminology, citation formats, and document analysis.

Claude Opus 4.5
Anthropic
2.5x

Anthropic's most capable model. Exceptional at nuanced legal reasoning, complex analysis, and long-form drafting.

Claude Sonnet 4.5
Anthropic
1.2x

Fast and capable. Great balance of speed and quality for everyday legal tasks and document review.

GPT-5.2
OpenAI
2.0x

OpenAI's latest model. Strong at structured outputs, code generation, and systematic analysis tasks.

Gemini 3 Pro
Google
1.5x

Google's advanced model. Excellent at multimodal tasks, research synthesis, and document understanding.

100+
More models available

Transparent Cost Multipliers

Know exactly what each model costs before you use it

How Cost Multipliers Work

Each model shows a multiplier relative to the baseline. A 2.0x model costs twice as much as a 1.0x model for the same task.

0.5x
Budget models
Simple tasks, summaries
1.0x
Standard models
Most legal work
2.5x
Premium models
Complex reasoning

Match Model to Task

Smart model selection for every type of work

Quick Tasks

Use faster, cheaper models for simple summaries, document organization, and routine queries.

Standard Work

CaseMark Core 2 handles most legal work: document analysis, research, drafting, and review.

Complex Reasoning

Premium models for nuanced legal analysis, strategic memos, and complex multi-step tasks.

Models from Leading Providers

All models have tool-use capability for legal workflows

Anthropic

Claude Opus 4.5, Sonnet 4.5, and Haiku models for different capability levels.

OpenAI

GPT-5.2 and specialized models for different tasks and contexts.

Google

Gemini 3 Pro and experimental models with multimodal capabilities.

Choose Your AI Today

Start with $15 in free trial credits. Try multiple models.

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