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Best Braintrust Alternatives in 2026

Updated

20 apps from AI agent observability tools ranked against Braintrust on the same published basis.

  1. 1
    PetalTrace Free plan apiLinuxMacself-hostedWeb Free6.7
    Braintrust vs PetalTrace
  2. 2
    OpenLIT Free plan apiLinuxMacself-hostedWeb Free6.6
    Braintrust vs OpenLIT
  3. 3
    W&B Weave Free plan apiLinuxMacself-hostedWeb $60/mo6.6
    Braintrust vs W&B Weave
  4. 4
    Opik Free plan apiLinuxself-hostedWeb $19/mo6.5
    Braintrust vs Opik
  5. 5
    SigNoz Free plan AndroidapiiOSself-hostedWeb $19/mo6.5
    Braintrust vs SigNoz
  6. 6
    Agenta Free plan apiself-hostedWeb $29/mo6.4
    Braintrust vs Agenta
  7. 7
    Arize AX Free plan apiself-hostedWeb $50/mo6.4
    Braintrust vs Arize AX
  8. 9
    Galileo Free plan apiself-hostedWeb $100/mo6.4
    Braintrust vs Galileo
  9. 10
    Helicone Free plan apiself-hostedWeb $79/mo6.4
    Braintrust vs Helicone
  10. 11
    Laminar Free plan apiself-hostedWeb $30/mo6.4
    Braintrust vs Laminar
  11. 12
    Langfuse Free plan apiself-hostedWeb $29/mo6.4
    Braintrust vs Langfuse
  12. 13
    LogicGaze Free plan apiself-hostedWeb Free6.4
    Braintrust vs LogicGaze
  13. 14
    Maxim AI Free plan apiself-hostedWeb $29/mo6.4
    Braintrust vs Maxim AI
  14. 15
    MLflow Tracing Free plan apiself-hostedWeb Free6.4
    Braintrust vs MLflow Tracing
  15. 16
    Respan (formerly Keywords AI) Free plan apiself-hostedWeb $16.58/mo6.4
    Braintrust vs Respan (formerly Keywords AI)
  16. 17
    Traccia Free plan apiWeb $99/mo6.4
    Braintrust vs Traccia
  17. 18
    Traceloop Free plan apiself-hostedWeb Free6.4
    Braintrust vs Traceloop
  18. 19
    TraceRoot Free plan Web $30/mo6.4
    Braintrust vs TraceRoot
  19. 20
    VoltOps Free plan apiself-hostedWeb $50/mo6.4
    Braintrust vs VoltOps
  20. 21
    Amazon Bedrock Data AutomationAmazon Web Services api $0.01/mo5.3
    Braintrust vs Amazon Bedrock Data Automation

Braintrust alternatives compared

#AppScoreFree planFromRuns on
1PetalTrace6.7Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
2OpenLIT6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
3W&B Weave6.6Free plan$60/moAPI, Linux, Mac, self-hosted, Web, Windows
4Opik6.5Free plan$19/moAPI, Linux, self-hosted, Web
5SigNoz6.5Free plan$19/moAndroid, API, iOS, self-hosted, Web
6Agenta6.4Free plan$29/moAPI, self-hosted, Web
7Arize AX6.4Free plan$50/moAPI, self-hosted, Web
9Galileo6.4Free plan$100/moAPI, self-hosted, Web
10Helicone6.4Free plan$79/moAPI, self-hosted, Web
11Laminar6.4Free plan$30/moAPI, self-hosted, Web
12Langfuse6.4Free plan$29/moAPI, self-hosted, Web
13LogicGaze6.4Free planFreeAPI, self-hosted, Web
14Maxim AI6.4Free plan$29/moAPI, self-hosted, Web
15MLflow Tracing6.4Free planFreeAPI, self-hosted, Web
16Respan (formerly Keywords AI)6.4Free plan$16.58/moAPI, self-hosted, Web
17Traccia6.4Free plan$99/moAPI, Web
18Traceloop6.4Free planFreeAPI, self-hosted, Web
19TraceRoot6.4Free plan$30/moWeb
20VoltOps6.4Free plan$50/moAPI, self-hosted, Web
21Amazon Bedrock Data Automation5.3No$0.01/moAPI
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Questions about Braintrust alternatives

What is the best alternative to Braintrust?

PetalTrace, number 1 in AI agent observability tools with a score of 6.7 out of 10. The others here: OpenLIT, W&B Weave, Opik and 16 more.

What is the best free alternative to Braintrust?

PetalTrace 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.