Free
Begin evaluating research with a clear framework.
No credit card required
- 5 deep analyses each month
- Unlimited summaries and key points
- All ten CRAF dimensions available
- Automatic source detection
- Limited Labs conversations
Syllogos brings AI research assessment to the papers you read. Evaluate credibility, examine the evidence, and understand the limitations, right where you read.
Three real papers. No signup. Yours to explore.
Understand the strengths.
Keep the limitations in view.
Strong experimental design.
Limited reporting of uncertainty.
Three real papers. The actual application.
Choose a source inside the demo and explore its complete assessment.
Choose analysis, then Full Assessment. The reports come from the real Syllogos pipeline.
Ready for your own papers? Download ↗From the first source to the bigger picture. One connected research workflow.
Move from quick orientation to a full CRAF 4.6 assessment. Examine methods, validity, originality, coherence, sources and bias with evidence beside every conclusion.
Move from quick orientation to a full CRAF 4.6 assessment. Examine methods, validity, originality, coherence, sources and bias with evidence beside every conclusion.

Explore the Credibility Research Assessment Framework, one dimension at a time.
Attention Is All You Need · 2017
How carefully was the research designed and carried out?
Thorough ablation study isolates the impact of individual architectural components.
The rubric and calibration anchors determine each band and score. Observable checklists audit the evidence; their pass ratio does not calculate the score. The overall assessment uses discipline-adaptive weights.
A closer look at the desktop experience. Explore each view, or let the tour guide you.

Open Syllogos over the source when you need it, then hide it without interrupting the work in front of you.
A guided introduction to the reasoning behind Syllogos, its research framework, and the evidence-linked workflow that keeps scholarly judgment in your hands.
Three minutes on why research quality deserves more than a summary.
4K product filmFilm 01Why Syllogos · Original overview, with some earlier application screens
Sound on · Fullscreen available
Accessible assessment for individual researchers. Room for deeper work and shared reviews.
Begin evaluating research with a clear framework.
No credit card required
For researchers who evaluate studies every day.
$180/year, saving two months
For sustained assessment across larger bodies of work.
$499/year, built for power users
One shared language for research quality.
From $22 per seat · pooled usage
Flexible allowances. Additional deep assessments: $0.45 each. Paid plans are coming soon.
Evidence before conclusions. Context around every score. Limitations that stay visible.
Syllogos supports critical reading. It keeps every finding open to review, dialogue and challenge.
Meet the projectThe full CRAF 4.6 workflow, on your desktop. Assess your own sources, question the evidence and keep your research connected.
Try it first in your browserOne download for Apple Silicon and Intel.
Download for macOS macOS 12+ · v0.1.10 · 297 MBOpen the DMG. Drag Syllogos into Applications.
Use a paper, DOI, screenshot or pasted text.
Run an assessment. Read, question and interpret.