Jina AI vs PolyAI

Jina AI (Your Search Foundation, Supercharged! (acquired by @elastic 2025/10)) and PolyAI both appear on the Smoower Developer Ecosystem Index.

Jina AI (rank #190) holds a modest lead over PolyAI (rank #430) on the overall Smoower ecosystem score (50 vs 40). The gap of 10 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Jina AI is ahead of PolyAI. On education (docs, guides and learning material for developers), PolyAI is ahead of Jina AI. On community (issue response, PR reviews and discussion health), Jina AI is slightly ahead of PolyAI. On reach (how visible the ecosystem is beyond its own repos), Jina AI is clearly ahead of PolyAI. On momentum (release cadence and how fast the ecosystem moves), PolyAI is clearly ahead of Jina AI.

Jina AI carries 72,580 GitHub stars across 266 public repos, with 13 repositories active in the last 90 days and 8 external contributors on record. PolyAI shows 86 stars across 6 public repos, 6 active in the last 90 days and 19 external contributors. The star gap on its own does not decide the comparison, but Jina AI's footprint is roughly 844.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Jina AI is the stronger read for anyone weighting reach. PolyAI 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.