Feynman alternatives
Feynman by Companion costs Free (OSS) and is open source. If you need something cheaper, open source, self-hosted or simply different, here are 10 alternatives that do the same job, ranked by how widely they are used, with the differences that matter.
10 Feynman alternatives, by popularity
-
An AI search engine for peer-reviewed research whose Deep Search mode plans many searches, reviews large numbers of papers and writes a cited, structured literature-review report.
- Proprietary
- More widely used (Gid Score 43 vs 33)
-
An open-source multi-agent system that collects and analyses social-media posts and comments across platforms and writes public-opinion research reports; built in Python without an external agent framework.
- More widely used (Gid Score 43 vs 33)
-
AI agents running research on single-GPU nanochat training automatically
- Proprietary
- More widely used (Gid Score 41 vs 33)
-
Autonomous research system for measurable, computer-executable research.
- Proprietary
-
An AI research platform that searches academic papers and runs a research agent, automated research reports and systematic literature review workflows (screening and data extraction). It spun out of the nonprofit Ought.
- Proprietary
-
SciSpace (formerly Typeset) is an AI research workspace whose agent runs multi-step literature reviews, systematic-review screening, data extraction from papers and database searches.
- Proprietary
-
An open-source agent that plans research, gathers and filters many web or local sources and writes a cited report, with support for multiple model providers.
-
An AI scientist agent from Edison Scientific, a commercial spinout of FutureHouse. A run reads large amounts of literature, executes analysis code and produces cited reports.
- Proprietary
- Growing fast: usage up 52% in 30 days
-
An open-source system from Stanford that researches a topic through web search and multi-perspective question asking, then writes a full-length, Wikipedia-style report with citations.
- Less widely used (Gid Score 15 vs 33)
-
An AI literature-search agent that asks clarifying questions, then searches and evaluates hundreds of papers and follows citation trails to find the most relevant work.
- Proprietary
- Less widely used (Gid Score 7 vs 33)
Feynman vs alternatives at a glance
| Agent | Price | Free to start | Open source | MCP | Local models | Gid Score |
|---|---|---|---|---|---|---|
| Feynman | Free (OSS) | ✓ | ✓ | ? | ? | 33 |
| Consensus | Free + $20/mo | ✓ | ✕ | ? | ? | 43 |
| BettaFish | Free (OSS) | ✓ | ✓ | ? | ? | 43 |
| Autoresearch | — | ? | ✕ | ? | ? | 41 |
| PRAXIST | — | ? | ✕ | ? | ? | 36 |
| Elicit | Free + $49/mo | ✓ | ✕ | ? | ? | 36 |
| SciSpace Agent | Free + $20/mo | ✓ | ✕ | ? | ? | 36 |
| GPT Researcher | Free (OSS) | ✓ | ✓ | ? | ? | 27 |
| Kosmos | Free + $200/mo | ✓ | ✕ | ? | ? | 26 |
| STORM | Free (OSS) | ✓ | ✓ | ? | ? | 15 |
| Undermind | Free + $20/mo | ✓ | ✕ | ? | ? | 7 |
Prices from the vendors' pricing pages; features from official docs (“?” means not documented). Full feature comparison · All prices
How teams use these tools
FAQ
What is the best alternative to Feynman?
By usage, the closest alternative is Consensus, followed by BettaFish, Autoresearch, PRAXIST.
Is there a free alternative to Feynman?
Yes. Consensus is free to start.
Is there an open-source alternative to Feynman?
Yes. BettaFish is open source.
How do these Feynman alternatives compare on price?
Consensus: Free + $20/mo; BettaFish: Free (OSS); Elicit: Free + $49/mo; SciSpace Agent: Free + $20/mo.
Feynman: pricing, features and stats · All AI research agents · Find the right agent in 4 questions