researchers

Research and procurement shortlist

Tools for due diligence, procurement prep, and report-building.

Great for teams comparing vendors, checking claims, and packaging a recommendation.

Included tools

Perplexity
Research

Answer engine for fast research with visible citations.

4.6 rating

Research-focused AI search tool for source-backed answers.

freemium 88.0 trust 2380 reviews
Claude
Assistant

Claude

Reasoning-heavy assistant for long documents and careful edits.

4.7 rating

Strong long-context assistant for writing and analysis.

freemium 91.0 trust 2830 reviews API ready 3 local assets
Notion AI
Productivity

Knowledge management plus AI drafting in one workspace.

4.5 rating

AI layer inside the Notion document and wiki environment.

paid 87.0 trust 1980 reviews API ready Free trial 2 local assets
ChatGPT
Assistant Verified

Broad AI workspace for writing, planning, coding, and research.

4.8 rating

Flexible assistant for drafting, analysis, and multimodal work.

freemium 92.0 trust 4210 reviews API ready 2 local assets