Fathom-DeepResearch

Fathom-DeepResearch

Open Sourced models for deep search and report synthesis

Open Sourced models for deep search and report synthesis

Challenge

A PhD-level agent that autonomously discovers and synthesizes knowledge from the web for deep research.

Fathom DeepSearch: Your autonomous research partner

High-performance AI, without the high cost

A tool-integrated model that transforms scattered data into expert-level, benchmark-leading reports.

Synthesized search

  • DeepResearchBench

  • SimpleQA

  • Webwalker

Post trained efficient 4B parameter models that help in deep-research capabilities. Benchmarks :

Synthesized search

  • DeepResearchBench

  • SimpleQA

  • Webwalker

Post trained efficient 4B parameter models that help in deep-research capabilities. Benchmarks :

Post-training innovation for Agentic RL

  • GPT5-mini w/search

  • Drive action with data-powered experiences

  • Perplexity-Sonar-reasoning-pro

  • II-Search-4b

  • Claude-Researcher

Models, datasets, and training recipe are​ fully open-source

Post-training innovation for Agentic RL

  • GPT5-mini w/search

  • Drive action with data-powered experiences

  • Perplexity-Sonar-reasoning-pro

  • II-Search-4b

  • Claude-Researcher

Models, datasets, and training recipe are​ fully open-source

Follow for the latest updates

Transform your enterprise with AI that delivers

Transform your enterprise with AI that delivers

Recognition and achievements

Select Fractal accolades

Leader

The Forrester Wave: Customer Analytics Services Q2, 2025

Representative vendor

Gartner Hype Cycle for Consumer Goods, 2026

Great Place to Work

Great Place to Work® across four regions: India (9th year), USA (5th year), UK (5th year) and UAE (2nd year)

Recognition and achievements

Select Fractal accolades

Leader

The Forrester Wave: Customer Analytics Services Q2, 2025

Representative vendor

Gartner Hype Cycle for Consumer Goods, 2026

Great Place to Work

Great Place to Work® across four regions: India (9th year), USA (5th year), UK (5th year) and UAE (2nd year)

Transform your enterprise with AI that delivers