Free Traceloop alternatives: 5 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

5 of the 6 Traceloop alternatives we track can be used for free (free, open source, or with a free plan). HoneyHive, Braintrust and Datadog rank highest, with facts last verified Nov 8, 2026.

Traceloop has been acquired. Traceloop says on its own website that it is joining ServiceNow.

Quick comparison

#	App	Pricing	Verified price	Open source	Platforms	Verified facts	Score
1	HoneyHive	Free plan + paid	—	No	Web, Self-hosted	5 of 5	68.8
2	Braintrust	Free plan + paid	$249/month (Pro)	No	Web	5 of 5	64.8
3	Datadog	Free plan + paid	Infrastructure Pro, $15 per host/month billed annually	No	Web, iOS, Android	6 of 7	63.5
4	New Relic	Free plan + paid	$10 for the first full user, then $99 per user (Standard)	No	Web, iOS, Android	7 of 7	55.0
5	Weights & Biases	Free plan + paid	From $60 a month (Pro), billed monthly	No	Web, iOS	6 of 6	48.2

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 Traceloop
Also OpenTelemetry-native, with richer evaluation workflows and SOC 2, HIPAA and self-hosting options.
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 Traceloop 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. Braintrust
Best for: AI product teams that treat evals as the main gate before shipping prompt and model changes
Free plan + paidWeb
64.8
score / 100
Why switch from Traceloop
Independent eval-focused platform with unlimited users and a strong experiment workflow.
Pros
Unlimited users and projects even on the free plan
Strong eval workflow: datasets, scorers and experiment comparison
SDKs in many languages, plus OpenTelemetry support
Startup programme with months of Pro for free
Cons
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
Core platform is not open source, unlike some rivals
Visit Braintrust 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 Braintrust a good Traceloop alternative?
Verified facts
5 of 5 verified
Free plan
Starter, $0/month
Checked Nov 8, 2026braintrust.dev(opens source in a new tab)
Starting price
$249/month (Pro)
Checked Nov 8, 2026braintrust.dev(opens source in a new tab)
Users
Unlimited on every plan
Checked Nov 8, 2026braintrust.dev(opens source in a new tab)
Free data retention
14 days
Checked Nov 8, 2026braintrust.dev(opens source in a new tab)
SDKs
Python, TypeScript, Go, Ruby, C# and more
Checked Nov 8, 2026braintrust.dev(opens source in a new tab)
3. Datadog
Best for: Cloud-heavy teams that want metrics, traces, logs and alerts in one hosted product and can budget for it
Free plan + paidWeb, iOS, Android
63.5
score / 100
Why switch from Traceloop
Keeps LLM traces next to existing APM and logs for teams already paying for Datadog.
Pros
Very wide integration catalogue that works with little setup
Metrics, traces and logs are linked in one interface
Mature dashboards, monitors and on-call features
Cons
Per-product, per-host pricing makes bills hard to forecast
Custom metrics and log volume get expensive quickly
No self-hosted option
Visit Datadog Details and reviews
How this score is calculated
Editorial fit ×0.338
Reviews ×0.363
Clicks (90 days) ×0.15100
Freshness ×0.1590
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Datadog a good Traceloop alternative?
Verified facts
6 of 7 verified
Starting price
Infrastructure Pro, $15 per host/month billed annually
Checked Nov 8, 2026datadoghq.com(opens source in a new tab)
Free tier
Up to 5 hosts, 1-day metric retention
Source changed Nov 8, 2026datadoghq.com(opens source in a new tab)
Free trial
14 days
Checked Nov 8, 2026datadoghq.com(opens source in a new tab)
Integrations
1,000+
Checked Nov 8, 2026datadoghq.com(opens source in a new tab)
Enterprise plan
$23 per host/month billed annually
Checked Nov 8, 2026datadoghq.com(opens source in a new tab)
APM plan
From $31 per host/month
Checked Nov 8, 2026datadoghq.com(opens source in a new tab)
Free plan
Yes, up to 5 hosts with 1-day metric retention
Checked Nov 8, 2026datadoghq.com(opens source in a new tab)
4. New Relic
Best for: Teams that want full-stack APM with predictable data-based pricing and a usable free tier
Free plan + paidWeb, iOS, Android
55.0
score / 100
Why switch from Traceloop
Adds AI monitoring for LLM calls to a full APM suite, so model traces sit next to the rest of the stack.
Pros
Perpetual free tier with a meaningful monthly data allowance
One query language across all telemetry types
Wide language agent support plus OpenTelemetry ingest
Cons
Full-platform user seats are expensive on paid tiers
Interface has many overlapping views to learn
Hosted only
Visit New Relic Details and reviews
How this score is calculated
Editorial fit ×0.329
Reviews ×0.363
Clicks (90 days) ×0.1550
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is New Relic a good Traceloop alternative?
Verified facts
7 of 7 verified
Free tier
100 GB data ingest/month
Checked Nov 8, 2026newrelic.com(opens source in a new tab)
Data price
$0.40/GB beyond 100 GB free
Checked Nov 8, 2026newrelic.com(opens source in a new tab)
Free full user
1
Checked Nov 8, 2026newrelic.com(opens source in a new tab)
Basic users
Unlimited, free
Checked Nov 8, 2026newrelic.com(opens source in a new tab)
Starting price
$10 for the first full user, then $99 per user (Standard)
Checked Nov 8, 2026newrelic.com(opens source in a new tab)
Pro plan
$349 per full user/month, annual commitment
Checked Nov 8, 2026newrelic.com(opens source in a new tab)
Free plan
Yes, 100 GB data ingest/month and 1 full user
Checked Nov 8, 2026newrelic.com(opens source in a new tab)
5. Weights & Biases
Best for: ML researchers and teams who want polished hosted experiment tracking and LLM evaluation
Free plan + paidWeb, iOS
48.2
score / 100
Why switch from Traceloop
Its Weave toolkit traces and evaluates LLM apps next to the experiment tracking many ML teams already use.
Pros
Very quick to add to existing training code
Integrations with nearly every major ML library
Covers experiments, sweeps, artifacts and LLM tracing in one place
Free for academic research
Cons
Free plan has tight storage and seat limits
Costs grow with storage and data ingestion
Hosted product; the tracking server isn't open source like ClearML's
Visit Weights & Biases Details and reviews
How this score is calculated
Editorial fit ×0.332
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 Weights & Biases a good Traceloop alternative?
Verified facts
6 of 6 verified
Free plan
Yes, $0 a month
Checked Nov 8, 2026wandb.ai(opens source in a new tab)
Pro plan
From $60/month
Checked Nov 8, 2026wandb.ai(opens source in a new tab)
Free trial
30 days (Pro)
Checked Nov 8, 2026wandb.ai(opens source in a new tab)
Academic use
Free
Checked Nov 8, 2026wandb.ai(opens source in a new tab)
Mobile app
iOS
Checked Nov 8, 2026wandb.ai(opens source in a new tab)
Starting price
From $60 a month (Pro), billed monthly
Checked Nov 8, 2026wandb.ai(opens source in a new tab)

Quick comparison

1. HoneyHiveTop pick

Pros

Cons

Verified facts

2. Braintrust

Pros

Cons

Verified facts

3. Datadog

Pros

Cons

Verified facts

4. New Relic

Pros

Cons

Verified facts

5. Weights & Biases

Pros

Cons

Verified facts