Bluebirds

Automate outbound with signals

bluebirds.ai

3.3ScoreYC lists it as acquired, so it is not ranked.

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Why it scores 3.3

Bluebirds, an AI SDR from YC W23, scores 3.3 of 10. Data as of 3 Oct 2026.

The score adds four parts, each 0 to 10, by weight. Every point comes from public evidence. How scoring works ·

Proof 3 × 30% 0.9
Scale 5 × 30% 1.5
Momentum 0 × 25% 0.0
Autonomy 6 × 15% 0.9
= 3.3

Proof
Do customers use it? 30% of the score
3
Claims named customers.
- +3
  Named customers
  “Traction: Revenue teams at scale-ups like Front, OneSignal, and a dozen more use Bluebirds to track their customer job changes and maximize outbound efficiency.”
  Launch YC post · 22 Feb 2023
Not found: revenue or growth (+4), a customer result (+2), a customer count (+2), work done at scale (+2)
Scale
Is there a real company behind it? 30% of the score
5
6 people, raised $5.0M.
- +3
  6 people on its YC page5 to 9 people
- +2
  Raised $5.0MBluebirds bags $5M for sales AI that finds the 'best leads first' | VentureBeatSource · 18 Oct 2023
Momentum
Is it shipping and growing now? 25% of the score
0
Nothing new in the last 6 months.
Not found: launch YC post in the last 6 months (+3), open roles on YC (+2), new traction claim in the last 6 months (+2), funding news in the last year (+2), a batch in the last year (it is YC Winter 2023) (+1)
Autonomy
How much of the job does it do on its own? 15% of the score
6
Supervised agent: takes actions in other systems; a person approves key steps.
- +6
  Level 2 of 4: Supervised agentTakes actions in other systems; a person approves key steps.
What the model read
- Acts in other systems: 71% likely
- Finishes whole tasks: 19% likely
- Calls itself an agent: 2% likely
Level 2: Takes actions in other systems; a person approves key steps.

About Bluebirds

Bluebirds helps GTM teams automate outbound targeting with signals. Save your reps 2 hours a day from list building and prospect research.

Create custom intent signals from trusted data sources in 3 minutes. Bluebirds continuously scans your market and delivers ready-to-prospect Leads to your CRM.