# Leonardo.Ai API vs Stability AI Image API (slim) > Stability AI Image API has a score of 42.6 (E) against Leonardo.Ai API's 37.8 (F). Both do image generate. The largest gap is payments & pricing, 40 points. Category scores, facts, verdicts and agent notes side by side. - Full: https://www.anchorterminal.com/compare/leonardo-ai-vs-stability-ai-image.md (~1,600 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/compare/leonardo-ai-vs-stability-ai-image.json · canonical https://www.anchorterminal.com/compare/leonardo-ai-vs-stability-ai-image - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04 Stability AI Image API has a score of 42.6 (E) against Leonardo.Ai API's 37.8 (F). Both do image generate. The largest gap is payments & pricing, 40 points. - Leonardo.Ai API: F 37.8, rank #433 of 452 · https://www.anchorterminal.com/tools/leonardo-ai.min.md - Stability AI Image API: E 42.6, rank #414 of 452 · https://www.anchorterminal.com/tools/stability-ai-image.min.md - Pick Leonardo.Ai API for schema & documentation (+6), agent ergonomics (+6), security & auth (+10), maintenance & community (+40). Pick Stability AI Image API for reliability (+30), payments & pricing (+40), transparency & trust (+12). | Category | Leonardo.Ai API | Stability AI Image API | | --- | --- | --- | | Reliability (16%) | 30 | 60 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 45 | 39 | | Agent ergonomics (13%) | 54 | 48 | | Security & auth (14%) | 40 | 30 | | Payments & pricing (10%) | 0 | 40 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 48 | 8 | | Transparency & trust (7%) | 51 | 63 |