GPT Researcher vs Kosmos
GPT Researcher (Assaf Elovic and contributors) and Kosmos (Edison Scientific) side by side on public data, as of Oct 6, 2026.
GPT Researcher and Kosmos are close on weekly package downloads (13.1K and 13.5K). Over the last 30 days downloads moved -42% for GPT Researcher and +48% for Kosmos. GPT Researcher shipped 3 stable releases in the past 90 days.
Side-by-side numbers
| Metric | GPT Researcher | Kosmos |
|---|---|---|
| Pulse Score | 28 | 26 |
| Overall rank | #141 | #152 |
| Downloads, last 7 days | 13.1K | 13.5K |
| Downloads, 7-day change | up 42.4% | up 10.2% |
| Downloads, 30-day change | down 41.5% | up 48.1% |
| VS Code installs | — | — |
| Marketplace rating | — | — |
| GitHub stars | 29.9K | — |
| Homebrew installs, 30 days | — | — |
| Hacker News mentions, 30 days | 0 | 1 |
| Latest stable release | 3.7.0 · 10d ago | — |
| Stable releases, 90 days | 3 | |
| Terminal-Bench (best run) | — | — |
| Price | Free (OSS) | Free + $200/mo |
| License | Apache-2.0 | |
| First released | — | November 2025 |
| Interfaces | — | — |
| Models |
Trends
GPT Researcher
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.
Pricing: Free open-source software; users pay their own model and search API costs.
Latest release 3.7.0:
- Benchmark, method and code: evals/contextfilter/
- Python 3.12+ is now required.
- Default context filter: without a TypeSafe key, the default is now keyword ranking instead of
- Retriever plugins: ship a search provider as its own package via the gptresearcher.retrievers entry point (#2154)
Kosmos
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.
Pricing: Free plan with 10 credits a month. Founding Kosmos is $200/month for 650 credits; a Kosmos run was announced at 200 credits. Enterprise custom.