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Braintrust alternatives: 4 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rankAll LLM observability tools

Top picks

  • HoneyHive logo

    Best overall

    HoneyHive

    Free plan + paid

  • Traceloop logo

    Best free option

    Traceloop

    Free plan: Yes, $0/month up to 50K spans and 5 seats

  • Evidently AI logo

    Best open source

    Evidently AI

    Open source

Common reasons people leave Braintrust: free plan keeps data for only 14 days, and big jump from the free tier to the Pro plan price. We ranked 4 alternatives by how directly each one replaces Braintrust, then by reviews, real visits and how recently each app's facts were checked against its own website. HoneyHive currently ranks first.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1HoneyHive logoHoneyHiveFree plan + paid—NoWeb, Self-hosted5 of 568.8
2Galileo logoGalileoPaid$100/month per 1.2M spans, billed annuallyNoWeb, Self-hosted5 of 564.8
3Traceloop logoTraceloopFree plan + paid—NoWeb, Self-hosted7 of 759.4
4Evidently AI logoEvidently AIOpen source—YesSelf-hosted, Web4 of 457.5
  1. HoneyHive logo

    1. HoneyHiveTop pick

    Best for: Enterprises in regulated sectors that need agent tracing and evals with self-hosting options

    Free plan + paidWeb, Self-hosted

    68.8

    score / 100

    Why switch from Braintrust

    Similar tracing and evals with a free tier, plus self-hosting and hybrid options on Enterprise.

    Pros

    • Free plan with full observability and evaluation features
    • OpenTelemetry-native SDKs with auto-instrumentation for many frameworks
    • Self-hosted, hybrid and single-tenant deployment on Enterprise
    • SOC 2 Type II, GDPR and HIPAA compliance

    Cons

    • Free plan is limited to 10,000 events and five users
    • No published mid-tier plan between free and Enterprise
    • Hosted free tier only stores data in one US region
    Visit HoneyHive Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is HoneyHive a good Braintrust alternative?

    Verified facts

    5 of 5 verified
    Free plan
    10,000 events/month
    Checked Nov 8, 2026honeyhive.ai(opens source in a new tab)
    Free plan users
    Up to 5
    Checked Nov 8, 2026honeyhive.ai(opens source in a new tab)
    Self-hosting
    Enterprise plan
    Checked Nov 8, 2026honeyhive.ai(opens source in a new tab)
    Compliance
    SOC 2 Type II, GDPR, HIPAA
    Checked Nov 8, 2026honeyhive.ai(opens source in a new tab)
    SDKs
    Python and TypeScript, OpenTelemetry
    Checked Nov 8, 2026honeyhive.ai(opens source in a new tab)
  2. Galileo logo

    2. GalileoAcquired

    Best for: Enterprises, especially Splunk or Cisco customers, wanting guardrails on all agent traffic

    PaidWeb, Self-hosted

    64.8

    score / 100

    Why switch from Braintrust

    Turns evals into low-cost production guardrails using small Luna models, now sold through Splunk.

    Pros

    • 20+ built-in evaluators for RAG, agents, safety and security
    • Luna models make scoring all production traffic affordable
    • SaaS, VPC and on-prem deployment options
    • Fits into Splunk Observability Cloud for existing Splunk users

    Cons

    • Now sold through Splunk with annual billing, heavier to buy than self-serve rivals
    • Not open source
    • Product direction now tied to Splunk's roadmap after the Cisco deal
    Visit Galileo Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Galileo a good Braintrust alternative?

    Verified facts

    5 of 5 verified
    Status
    Now Splunk Agent Observability
    Checked Nov 8, 2026docs.galileo.ai(opens source in a new tab)
    Starting price
    $100/month per 1.2M spans, billed annually
    Checked Nov 8, 2026galileo.ai(opens source in a new tab)
    Built-in evals
    20+
    Checked Nov 8, 2026galileo.ai(opens source in a new tab)
    Deployment
    SaaS, VPC, on-prem
    Checked Nov 8, 2026galileo.ai(opens source in a new tab)
    Guardrail models
    Luna
    Checked Nov 8, 2026galileo.ai(opens source in a new tab)
  3. Traceloop logo

    3. TraceloopAcquired

    Best for: Teams that want vendor-neutral OpenTelemetry tracing for LLM apps, including air-gapped setups

    Free plan + paidWeb, Self-hosted

    59.4

    score / 100

    Why switch from Braintrust

    Built on OpenTelemetry with an Apache-licensed SDK, so traces aren't locked to one vendor.

    Pros

    • Open-source OpenLLMetry SDK works with many observability backends
    • Generous free plan of 50,000 spans a month
    • On-prem and air-gapped deployment for Enterprise
    • SDKs for Python, TypeScript, Go and Ruby

    Cons

    • Free plan keeps data for only 24 hours
    • Joining ServiceNow adds uncertainty about the standalone product
    • No published price between free and Enterprise
    Visit Traceloop Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Traceloop a good Braintrust alternative?

    Verified facts

    7 of 7 verified
    Status
    Joining ServiceNow
    Checked Nov 8, 2026traceloop.com(opens source in a new tab)
    Free plan
    Yes, $0/month up to 50K spans and 5 seats
    Checked Nov 8, 2026traceloop.com(opens source in a new tab)
    SDK license
    Apache-2.0
    Checked Nov 8, 2026github.com(opens source in a new tab)
    Self-hosting
    On-prem and air-gapped
    Checked Nov 8, 2026traceloop.com(opens source in a new tab)
    Languages
    Python, TypeScript, Go, Ruby
    Checked Nov 8, 2026traceloop.com(opens source in a new tab)
    Enterprise plan
    Custom pricing for over 50K spans/month
    Checked Nov 8, 2026traceloop.com(opens source in a new tab)
    Free trial
    14 days
    Checked Nov 8, 2026traceloop.com(opens source in a new tab)
  4. Evidently AI logo

    4. Evidently AI

    Best for: ML and data teams who want code-first LLM evals and model drift monitoring on their own infrastructure

    Open sourceSelf-hostableSelf-hosted, Web

    57.5

    score / 100

    Why switch from Braintrust

    Open-source library for LLM and ML evaluations and monitoring, if you want evals in your own code rather than a hosted app.

    Pros

    • Apache 2.0 licensed, with no paid tier needed for the core features
    • Covers both classic ML drift monitoring and LLM and agent evaluation
    • Over 100 built-in metrics, plus custom checks and LLM-as-judge
    • Evaluations run as tests, so they slot into CI pipelines

    Cons

    • Code-first Python library, so non-engineers will struggle to set up checks
    • You run and maintain the self-hosted platform yourself
    • Lighter on prompt management and production tracing than LLM-first tools
    Visit Evidently AI Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Evidently AI a good Braintrust alternative?

    Verified facts

    4 of 4 verified
    License
    Apache 2.0
    Checked Nov 8, 2026github.com(opens source in a new tab)
    Built-in metrics
    100+
    Checked Nov 8, 2026evidentlyai.com(opens source in a new tab)
    Self-hosting
    Yes
    Checked Nov 8, 2026docs.evidentlyai.com(opens source in a new tab)
    Covers
    LLMs, RAG, agents and ML models
    Checked Nov 8, 2026evidentlyai.com(opens source in a new tab)

The best Braintrust alternative for…

The highest-ranked app in this list for each need.

HoneyHive logo

Best Braintrust alternative for most people

HoneyHive

Similar tracing and evals with a free tier, plus self-hosting and hybrid options on Enterprise.

Evidently AI logo

Best Braintrust alternative for a free option

Evidently AI

Open-source library for LLM and ML evaluations and monitoring, if you want evals in your own code rather than a hosted app.

Traceloop logo

Best Braintrust alternative for a free plan you can upgrade

Traceloop

Built on OpenTelemetry with an Apache-licensed SDK, so traces aren't locked to one vendor.

Evidently AI logo

Best Braintrust alternative for open source

Evidently AI

Open-source library for LLM and ML evaluations and monitoring, if you want evals in your own code rather than a hosted app.

Evidently AI logo

Best Braintrust alternative for self-hosting

Evidently AI

Open-source library for LLM and ML evaluations and monitoring, if you want evals in your own code rather than a hosted app.

Galileo logo

Best Braintrust alternative for working in the browser

Galileo

Turns evals into low-cost production guardrails using small Luna models, now sold through Splunk.

Braintrust alternatives: common questions

What is the best alternative to Braintrust?

HoneyHive ranks first right now. Similar tracing and evals with a free tier, plus self-hosting and hybrid options on Enterprise. Galileo and Traceloop follow it in our ranking.

Braintrust vs HoneyHive: what's the difference?

Both Braintrust and HoneyHive are free with paid plans. Both run on Web.

Is Braintrust free?

Braintrust is free with paid plans. Free plan: Starter, $0/month; Starting price: $249/month (Pro). Checked on Braintrust's own site, November 2026.

Is there a free alternative to Braintrust?

Yes. HoneyHive (free plan + paid), Traceloop (free plan + paid) and Evidently AI (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Braintrust?

Yes: Evidently AI. Evidently AI can also be self-hosted.

Why do people switch from Braintrust?

The complaints we hear most: free plan keeps data for only 14 days; big jump from the free tier to the Pro plan price; SAML SSO and self-hosting are Enterprise-only.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Braintrust, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.