DeerFlow vs OpenScience
OpenScience leads on trust: 82.3/100 (Grade A) against 67.3/100 (Grade B), a 15.0-point gap. DeerFlow leads on transparency; OpenScience leads on provenance and supply-chain integrity, and rests on broader evidence.
An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.
Choose DeerFlow if transparency matters most.
- +0.8Transparency: OSSF Scorecard 6.5 against 5.5
The open-source AI workbench for scientific research
Choose OpenScience if provenance and supply-chain integrity matter most.
- +7.2Identity / Provenance: package provenance attested, against none
- +4.1Safety / Integrity: package provenance attested, against none
- +1.8Adoption
- B vs CEvidence coverage: 3 of 5 independent signal types, against 2
Where they differ
1 dimension identical: Maintenance 20.0 · Full evidence table
An independent, evidence-based trust comparison of DeerFlow and OpenScience, two Research & Data projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Full evidence
| Signal | DeerFlowbytedance/deer-flow | OpenSciencesynthetic-sciences/openscience |
|---|---|---|
| HVTrust score | 67.3 | 82.3 |
| Evidence grade | B | A |
| Coverage grade | C | B |
| Overall rank | #402 | #118 |
| Rank in Research & Data | #8 | #5 |
| GitHub stars | 83.4k | 3.9k |
| Last updated | today | today |
| Build provenance | No | Yes |
| OSSF Scorecard | 6.5 / 10 | 5.5 / 10 |
| License | MIT | Apache-2.0 |
| Downloads | — | 6k/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 13.1 | 17.2 |
| Identity & provenance / 18 | 10.8 | 18.0 |
| Transparency / 17 | 14.0 | 13.2 |
| Maintenance / 20 | 20.0 | 20.0 |
| Adoption / 20 | 11.8 | 13.6 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | Declared |
| External providers | 6 — E2B, OpenAI, OpenRouter, … | 7 — Anthropic, Cohere, DeepSeek, … |
| Requires API keys | Yes | No |
| Plugin surface | extensions | plugins |
| Provenance drift | — | Match |
How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.4 →