Best Galileo Alternatives in 2026
Updated
20 tools from AI agent observability tools ranked against Galileo on the same published basis.
- 1Galileo vs W&B Weave
- 2Galileo vs PetalTrace
- 3Galileo vs SigNoz
- 4Galileo vs Opik
- 5Galileo vs OpenLIT
- 6Galileo vs Traccia
- 7Galileo vs VoltOps
- 8Galileo vs Helicone
- 9Galileo vs Maxim AI
- 10Galileo vs Respan (formerly Keywords AI)
- 11Galileo vs LangWatch
- 12Galileo vs Observe
- 13Galileo vs Agenta
- 14Galileo vs Langfuse
- 15Galileo vs TraceRoot
- 16Galileo vs Arize AX
- 17Galileo vs Braintrust
- 18Galileo vs Fiddler AI
- 20Galileo vs Laminar
- 21Galileo vs LangSmith
Galileo alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | W&B Weave | 7.8 | Free plan | $60/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | PetalTrace | 7.6 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | SigNoz | 7.6 | Free plan | $19/mo | Android, API, iOS, self-hosted, Web |
| 4 | Opik | 7.5 | Free plan | $19/mo | API, Linux, self-hosted, Web |
| 5 | OpenLIT | 7.4 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 6 | Traccia | 7.4 | Free plan | $99/mo | API, Web |
| 7 | VoltOps | 7.3 | Free plan | $50/mo | API, self-hosted, Web |
| 8 | Helicone | 7.2 | Free plan | $79/mo | API, self-hosted, Web |
| 9 | Maxim AI | 7.2 | Free plan | $29/mo | API, self-hosted, Web |
| 10 | Respan (formerly Keywords AI) | 7.2 | Free plan | $16.58/mo | API, self-hosted, Web |
| 11 | LangWatch | 7.1 | Free plan | €29/mo | API, Linux, self-hosted, Web |
| 12 | Observe | 7.1 | No | — | API, Linux, Mac, Web, Windows |
| 13 | Agenta | 7.0 | Free plan | $29/mo | API, self-hosted, Web |
| 14 | Langfuse | 7.0 | Free plan | $29/mo | API, self-hosted, Web |
| 15 | TraceRoot | 7.0 | Free plan | $30/mo | Web |
| 16 | Arize AX | 6.9 | Free plan | $50/mo | API, self-hosted, Web |
| 17 | Braintrust | 6.9 | Free plan | $249/mo | API, self-hosted, Web |
| 18 | Fiddler AI | 6.9 | Free plan | Free | API, self-hosted, Web |
| 20 | Laminar | 6.9 | Free plan | $30/mo | API, self-hosted, Web |
| 21 | LangSmith | 6.9 | Free plan | $39/mo | API, self-hosted, Web |
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Questions about Galileo alternatives
What is the best alternative to Galileo?
W&B Weave, number 1 in AI agent observability tools with a score of 7.8 out of 10. The others here: PetalTrace, SigNoz, Opik and 16 more.
What is the best free alternative to Galileo?
W&B Weave is the best-ranked alternative with a free plan. 19 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.