Algolia vs LangSmith
AI search & discovery — keyword + neural + personalization
vs. LLM observability, testing & evaluation — by LangChain
Pricing tiers
Algolia
Build (Free)
10K search requests/mo, 1M records. Full features for dev/testing.
Free
Grow (PAYG)
Free up to 10K searches/mo + 100K records. $0.50 per 1K additional searches + $0.40 per 1K additional records.
$0 base (usage-based)
Grow Plus (PAYG)
Adds AI Ranking, Advanced Personalization, AI Synonyms, 10k rules/index. $1.75 per 1K searches.
$0 base (usage-based)
Elevate
Annual. NeuralSearch + AI Collections + Smart Groups + real-time personalization. 99.999% SLA, SSO.
Custom
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
Free-tier quotas head-to-head
Comparing build on Algolia vs developer on LangSmith.
| Metric | Algolia | LangSmith |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Algolia · 16 features
- A/B Testing — Compare two index configurations on live traffic.
- AI Ranking — Dynamic re-ranking based on clicks + conversions.
- Algolia Crawler — Hosted crawler to index websites.
- Autocomplete — JavaScript autocomplete UI library.
- Insights API — Send click + conversion events to train AI Ranking.
- InstantSearch UI — UI libraries: React, Vue, Angular, iOS, Android — prebuilt search components.
- Keyword Search — Fast prefix + typo-tolerant full-text search.
- MCP Tools — Algolia MCP server for agent integrations.
- Merchandising Studio — No-code UI for merchants to pin/bury/boost products.
- NeuralSearch — Hybrid vector + keyword search.
- Personalization — Per-user ranking based on click history.
- Query Suggestions — AI-generated suggestion index from past searches.
- Recommend — Product recommendations: Related, Frequently Bought Together, Trending.
- Rules — Conditional overrides: pin results, banners, redirects, boost/bury.
- Search Analytics — Top searches, no-result searches, click-through rates.
- Synonyms — Equivalent term groups + typo-tolerance tuning.
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.
Developer interfaces
| Kind | Algolia | LangSmith |
|---|---|---|
| CLI | Algolia CLI | LangSmith CLI |
| SDK | algoliasearch-client-go, algoliasearch-client-kotlin, algoliasearch-client-swift, algoliasearch-java, algoliasearch (JS), algoliasearch-php, algoliasearch-python, algoliasearch-rails, react-instantsearch | langsmith-js, langsmith-python |
| REST | Algolia Admin API, Algolia Search API | LangSmith REST API |
| MCP | — | LangSmith MCP |
| OTHER | — | LangSmith Dashboard |
Staxly is an independent catalog of developer platforms. Outbound links to Algolia and LangSmith are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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