Best AI Agent Observability Tools in 2026
Updated
32 AI agent observability tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
32ranked
1free plans on this page
$0.01/molowest paid tier
8 Oct 2026last checked
AI Agent Observability Tools, ranked on how quickly a newcomer can get going. 2 of the 7 on this page can be tried for free.
- 26 HoneyHiveFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 27 Observe
- Free to practise on: not on record
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 28 AgentOpsPaid from $40/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 29 Amazon Bedrock Data AutomationPaid from $0.01/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 30 Amazon Nova Reel
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 31 Kosmoy AI Observability
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 32 LunaryPaid from $20/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
Compare all 7 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Trace retention | Session replay |
|---|---|---|---|---|---|---|---|---|
| 26 | HoneyHive | 6.9 | Free plan | Free | Yes | — | — | — |
| 27 | Observe | 6.9 | No | — | No | — | — | — |
| 28 | AgentOps | 6.4 | No | $40/mo | Yes | 40 /mo | — | — |
| 29 | Amazon Bedrock Data Automation | 6.0 | No | $0.01/mo | — | — | — | — |
| 30 | Amazon Nova Reel | 6.0 | No | — | — | — | — | — |
| 31 | Kosmoy AI Observability | 6.0 | No | — | No | — | — | Yes |
| 32 | Lunary | 6.0 | No | $20/mo | No | — | — | — |