LangSmith vs Bunny.net
LLM observability, testing & evaluation — by LangChain
vs. Ridiculously affordable CDN + video streaming + edge compute
Pricing tiers
LangSmith
Developer (Free)
Free forever. 5,000 traces/month. 14-day retention. 1 seat. Basic evaluations.
Free
Plus
$39/seat/month. 10k base traces included ($2.50 per 1k overage). Full evaluations, custom dashboards, email support.
$39/mo
Enterprise
Custom. Self-host option, SSO, custom retention, dedicated support.
Custom
Bunny.net
CDN Volume — 1-2 PB
$0.002/GB at 1-2 PB volume.
$0/mo
CDN Volume — First 500 TB
$0.005/GB Volume Network (10 PoPs) for high-volume.
$0/mo
CDN Standard — EU/NA
$0.01/GB. 119 PoPs Standard Network in Europe + North America.
$0/mo
CDN Standard — Asia + Oceania
$0.03/GB.
$0/mo
CDN Standard — South America
$0.045/GB.
$0/mo
CDN Standard — ME/Africa
$0.06/GB.
$0/mo
Monthly Minimum
Minimum $1/month.
$1/mo
Free-tier quotas head-to-head
Comparing developer on LangSmith vs volume-1pb-2pb on Bunny.net.
| Metric | LangSmith | Bunny.net |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
LangSmith · 14 features
- Alerts — Threshold alerts on latency, cost, eval metrics.
- Annotation Queues — Human-review workflows for trace quality rating.
- Custom Dashboards — Aggregate metrics dashboards per project/tag.
- Datasets — Collect examples → use as eval sets or training data.
- Evaluations — LLM-as-judge, embedding similarity, custom Python evaluators, offline batch eval…
- LangChain Integration — Auto-trace any LangChain/LangGraph run with env var.
- LangGraph Integration — First-class trace + eval for LangGraph agents.
- LLM Tracing — Automatic trace every LLM call + tool call + chain step.
- OpenTelemetry Export — Export traces as OTLP to Datadog/Honeycomb/etc.
- Playground — Test prompts + models inline before deploying.
- Prompt Canvas — Visual prompt editor with live test + eval.
- Prompt Hub — Public + private prompt library with versioning.
- Self-Hosted (Enterprise) — Docker + k8s deployment in your infra.
- Threads + Sessions — Group traces into conversational sessions.
Bunny.net · 14 features
- Bunny CDN — Standard + Volume networks. 119 PoPs globally.
- Bunny Database — Edge-distributed key-value DB.
- Bunny DNS — Free anycast DNS.
- Bunny Optimizer — On-the-fly image + video optimization.
- Bunny Shield (WAF + DDoS) — DDoS protection + WAF + bot defense.
- Bunny Stream — Video hosting + transcoding + HLS delivery.
- Custom Hostname — Use yourdomain.com with CDN.
- Edge Scripting — JavaScript at the edge (like CF Workers).
- Edge Storage — Object storage replicated across regions.
- Free Let's Encrypt SSL — Auto cert issuance/renewal.
- Hot-linking Protection — Block unauthorized embeds.
- Instant Purge — Global invalidation.
- Magic Containers — Serverless containers at edge.
- Real-Time Analytics — Per-zone + per-country usage stats.
Developer interfaces
| Kind | LangSmith | Bunny.net |
|---|---|---|
| CLI | LangSmith CLI | — |
| SDK | langsmith-js, langsmith-python | bunnycdn.js (community) |
| REST | LangSmith REST API | Bunny.net API |
| MCP | LangSmith MCP | — |
| OTHER | LangSmith Dashboard | Bunny Dashboard, CDN HTTP base URL, Edge Scripting |
Staxly is an independent catalog of developer platforms. Some links to LangSmith and Bunny.net may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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