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
Consensus
AI research engine that answers questions with evidence from peer-reviewed studies, showing citations, study design, and summaries you can verify quickly.
Pricing Free / $15 per month
Category research
Difficulty Beginner
Type Web App
Status Active
Feature Tags Comparison
Only in AI21 Labs
llmapireasoningjsonguardrailsenterprise
Shared
None
Only in Consensus
evidencepeer-reviewedsearchsciencesummary
Key Features
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
Consensus
- • Evidence-based answers with citations and study design
- • Pro searches that read full texts for deeper synthesis
- • Filters by topic outcome and study characteristics
- • Snapshots and summaries you can export to notes
- • Account tiers for individuals academics and teams
- • Interface designed to keep verification one click away
Use Cases
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
Consensus
- → Orient a lit review with quick evidence snapshots
- → Brief executives with short answers plus citations
- → Check whether claims are supported by controlled trials
- → Find meta-analyses and systematic reviews fast
- → Compare outcomes across interventions or protocols
- → Export concise notes for papers worth a deep read
Perfect For
AI21 Labs
ML engineers platform teams data leaders and enterprises that need controllable language models tooling and governance for production features
Consensus
students clinicians researchers policy analysts product managers and writers who need fast evidence-first answers with links to papers
Capabilities
AI21 Labs
JSON and Functions Professional
Eval and Tracing Professional
Docs and Knowledge Intermediate
Security and Policy Enterprise
Consensus
Cited Summaries Professional
Pro Search Professional
Study Characteristics Intermediate
Snapshots & Exports Basic
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