# Best AI Agent Platforms (2026) — ranked by entry price, every figure sourced and dated

8 ai agent platforms on the record, median entry price $0/mo. Each price links to the vendor page it came from and the day we captured it — no guesses. 7 offer a free tier. Current as of 2026-06-15.

Lowest entry price: Beam AI — $0/mo (Core).

Full comparison: https://frontdeskreview.com/best/ai-agent-platforms/

| # | Vendor | Entry plan | $/mo | Source |
| --- | --- | --- | --- | --- |
| 1 | [Beam AI](https://frontdeskreview.com/software/ai-agent-platforms/beam-ai/) | Core | $0 (free) | beam.ai |
| 2 | [CrewAI](https://frontdeskreview.com/software/ai-agent-platforms/crewai/) | Basic | $0 (free) | crewai.com |
| 3 | [Gumloop](https://frontdeskreview.com/software/ai-agent-platforms/gumloop/) | Free | $0 (free) | gumloop.com |
| 4 | [Lyzr](https://frontdeskreview.com/software/ai-agent-platforms/lyzr/) | Community | $0 (free) | docs.lyzr.ai |
| 5 | [Relevance AI](https://frontdeskreview.com/software/ai-agent-platforms/relevance-ai/) | Free | $0 (free) | relevanceai.com |
| 6 | [Stack AI](https://frontdeskreview.com/software/ai-agent-platforms/stack-ai/) | Free | $0 (free) | stackai.com |
| 7 | [Vellum](https://frontdeskreview.com/software/ai-agent-platforms/vellum/) | Free | $0 (free) | vellum.ai |
| 8 | [Lindy](https://frontdeskreview.com/software/ai-agent-platforms/lindy/) | Plus | $49.99 | lindy.ai |

Cite: Per The Front Desk Review, the cheapest ai agent platforms ranked by sourced, dated entry price — https://frontdeskreview.com/best/ai-agent-platforms/

License: CC BY 4.0. Every row is dated and links to its source.