Productivity
Upstream
Last updated 2026-06-24 · benchmark checked 2026-08-09 · unchanged since 2026-08-02 — deterministic & reproducible
AI-assisted email inbox that organizes messages and drafts replies in your voice.
Is Upstream production-ready?
Legit.Show scores Upstream 69 out of 100 — the simple average of its 6 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Upstream (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. 6 of the seven frames returned a score; Accessibility was not measurable on this service and is recorded as null — not as zero. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 80/100
- Accessibility — not measurable on this service (null — not scored as 0)
- Security — 55/100
- Privacy — 25/100
- Reliability — 92/100
- Standards — 75/100
- Discoverability — 85/100
What we measured
- Security headers present: HSTS, X-Content-Type-Options.
- No Content-Security-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 311 ms to first byte.
- Returns a proper 404 for unknown routes.
- 0 of 0 sampled routes reachable.
- No privacy policy found.
- Sets cookies / loads scripts with no consent prompt.
Who built it
Pablo
Who it's for
Professionals · Teams · Email users · Remote workers
Pricing
Free forever
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