Guild AI vs Reply

Guild AI and Reply (AI sales engagement for email, LinkedIn, SMS & calls. Open APIs, SDKs, and MCP server for developers building on Reply. Builders of Jason, the AI SDR.) both appear on the Smoower Developer Ecosystem Index.

Reply (rank #662) holds a narrow lead over Guild AI (rank #763) on the overall Smoower ecosystem score (32 vs 29). The gap of 3 points reflects composite signals across code, docs, community and reach.

On education (docs, guides and learning material for developers), Reply is slightly ahead of Guild AI. On community (issue response, PR reviews and discussion health), Guild AI is clearly ahead of Reply. On reach (how visible the ecosystem is beyond its own repos), Reply is slightly ahead of Guild AI. On momentum (release cadence and how fast the ecosystem moves), Reply is clearly ahead of Guild AI.

Guild AI carries 1,003 GitHub stars across 29 public repos, with 0 repositories active in the last 90 days and 1 external contributors on record. Reply shows 0 stars across 3 public repos, 2 active in the last 90 days and 0 external contributors.

Guild AI is the stronger read for anyone weighting community. Reply looks better where momentum is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.