A/B Smartly vs AI21 Labs
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A
A/B Smartly
Enterprise experimentation platform with a sequential testing engine event based pricing and flexible deployment so product teams run faster trustworthy A B tests share insights broadly and keep governance strong across web mobile and backend.
Pricing Contact sales
Category research
Difficulty Intermediate
Type SaaS
Status Active
AI21 Labs
Advanced language models and developer platform for reasoning, writing and structured outputs with APIs tooling and enterprise controls for reliable LLM applications.
Pricing Free credits / Pay as you go
Category research
Difficulty Beginner
Type Web App
Status Active
Feature Tags Comparison
Only in A/B Smartly
experimentationab-testingstatisticsserver-sidewarehouse-nativegovernance
Shared
None
Only in AI21 Labs
llmapireasoningjsonguardrailsenterprise
Key Features
A/B Smartly
- • Sequential testing engine: stop earlier without inflating error rates so winners ship faster and inconclusive tests end decisively saving time and traffic
- • Warehouse native workflows: route events to your lake or house so analysts reuse metrics segments and joins with lineage and reproducibility across teams
- • SDKs across stacks: integrate once into web mobile and backend so feature flags exposures and metrics remain consistent across platforms and services
- • Source control friendly: treat experiments as code with reviewable configs CI checks and templates that prevent errors before traffic hits production
- • Collaboration and notes: attach hypotheses screenshots and decisions to each test so outcomes are searchable and shareable in postmortems and planning
- • Event based pricing: avoid per seat or per test limits grow programs with predictable unit economics and fewer internal license battles
AI21 Labs
- • Reasoning models: Focused on multistep tasks that need planning consistency and better intermediate reasoning signals
- • Structured outputs: JSON mode function calling and extraction endpoints keep responses machine friendly
- • Grounding options: Hook models to documents or endpoints to reduce hallucinations and improve trust
- • Eval and tracing: Built in tooling to test variants measure quality and observe latency cost and failures
- • Controls and guardrails: Safety filters rate limits and sensitive content rules for responsible deployment
- • Customization: Fine-tuning and instructions to align outputs with domain style and policy constraints
Use Cases
A/B Smartly
- → Feature rollout gates: validate impact behind flags then graduate safely once primary metrics clear with acceptable side effects across segments
- → Checkout funnel fixes: trial copy layout and sequencing while monitoring revenue and refunds to avoid profitable but risky changes
- → Search relevance tuning: compare ranking tweaks with guardrails for speed stability and engagement beyond a single click proxy
- → Performance tradeoffs: measure latency shifts alongside conversion so teams understand when speed investments or regressions are acceptable
- → Paywall and pricing tests: explore presentation and eligibility while keeping fairness guardrails and refund tracking visible to finance
- → Notification systems: iterate cadence and targeting while measuring retention spam complaints and app store optics over weeks
AI21 Labs
- → Build assistants that return structured JSON for integrations
- → Create summarizers that cite sources and follow templates
- → Automate classification and triage workflows with high precision
- → Generate product descriptions with policy compliant phrasing
- → Design agents that call tools and functions deterministically
- → Run evaluations to compare prompts and models for quality control
Perfect For
A/B Smartly
growth leaders, data scientists, product managers, experimentation engineers, analysts and SRE partners at companies with strong telemetry security and compliance expectations
AI21 Labs
ML engineers platform teams data leaders and enterprises that need controllable language models tooling and governance for production features
Capabilities
A/B Smartly
Sequential Statistics Professional
Warehouse and SDKs Professional
Policy and Audit Professional
Knowledge Sharing Intermediate
AI21 Labs
JSON and Functions Professional
Eval and Tracing Professional
Docs and Knowledge Intermediate
Security and Policy Enterprise
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