Langtrace
Langtrace is an OpenTelemetry LLM trace desk: you ingest spans (LangChain, OpenAI, Anthropic, …) and open a span graph with latency and cost.
OUR TAKE
Pick Langtrace for teams who will stay on Starter at $0 (10k spans, 1 user) or self-host, then Growth at $39/user/month when they need cloud evals and collaboration. Starter is 1 user and 10k spans.
Good fit
Teams who will stay on Starter at $0 (10k spans, 1 user) or self-host, then Growth at $39/user/month when they need cloud evals and collaboration.
Poor fit
Starter · Growth $39/user/mo
USD, before tax · Checked 2026-10-27 · docs.langtrace.ai/introduction
OUR TAKE
Pick Langtrace for teams who will stay on Starter at $0 (10k spans, 1 user) or self-host, then Growth at $39/user/month when they need cloud evals and collaboration. Starter is 1 user and 10k spans. A second seat is Growth $39.
Good fit
Teams who will stay on Starter at $0 (10k spans, 1 user) or self-host, then Growth at $39/user/month when they need cloud evals and collaboration.
Poor fit
Starter · Growth $39/user/mo
USD, before tax · Checked 2026-10-27 · docs.langtrace.ai/introduction
What it costs
USD, before tax · Checked 2026-10-27 · docs.langtrace.ai/introduction
Starter
forever. 1 user. Up to 10k spans / month. Prompt management and evaluations
$0
Growth
Everything in Starter. Cloud evaluations. Team collaboration. Security guardrails. Extra spans above 50k: / span / month
Lowest paid
$39/user/mo
Scale (Enterprise)
Not published by the vendor
Not published by the vendor
Self-Hosted
to start. Tracing, prompts, and evaluations on your machine
$0
Checked 2026-10-27·docs.langtrace.ai/introduction
Before you pay
Good fit
Teams who will stay on Starter at $0 (10k spans, 1 user) or self-host, then Growth at $39/user/month when they need cloud evals and collaboration.
Watch out
Starter is 1 user and 10k spans. A second seat is Growth $39.
Instead, try
Langfuse if another OTel-friendly self-host desk when you want Langfuse’s public Cloud $; Helicone if a gateway log when you want Helicone’s public $, not Langtrace’s span graph
Compare Langtrace with
Limits, in full
- 01
Starter is 1 user and 10k spans. A second seat is Growth $39.
- 02
Growth overage is $0.005 / span above 50k. Model that before you ingest production.
- 03
A span graph, not Promptfoo’s YAML matrix. For that CI harness see Promptfoo.
If Langtrace isn't it
Why: another OTel-friendly self-host desk when you want Langfuse’s public Cloud $.
Free· paid from$2/mo
Hobby is two users and 30-day retentionChecked 2026-10-19·langfuse.com/pricing
vs Langtrace
Why: a gateway log when you want Helicone’s public $, not Langtrace’s span graph.
Free· paid from$79/mo
$79 is the Pro platform fee, not a capChecked 2026-10-22·helicone.ai/pricing
vs Langtrace
Why: local-first traces when you want Phoenix $0 self-host.
Free· paid from$50/mo
ELv2, not ApacheChecked 2026-10-27·arize.com/pricing
vs LangtraceLimits & alternatives3 limits · Langfuse, Helicone, Phoenix instead
Limits, in full
- 01
Starter is 1 user and 10k spans. A second seat is Growth $39.
- 02
Growth overage is $0.005 / span above 50k. Model that before you ingest production.
- 03
A span graph, not Promptfoo’s YAML matrix. For that CI harness see Promptfoo.
If Langtrace isn't it
Why: another OTel-friendly self-host desk when you want Langfuse’s public Cloud $.
Free· paid from$2/mo
Hobby is two users and 30-day retentionChecked 2026-10-19·langfuse.com/pricing
vs LangtraceWhy: a gateway log when you want Helicone’s public $, not Langtrace’s span graph.
Free· paid from$79/mo
$79 is the Pro platform fee, not a capChecked 2026-10-22·helicone.ai/pricing
vs LangtraceWhy: local-first traces when you want Phoenix $0 self-host.
Free· paid from$50/mo
ELv2, not ApacheChecked 2026-10-27·arize.com/pricing
vs Langtrace