Vectara

company

Verified

https://vectara.com

AI & ML interests

retrieval augmented generation, grounded generation, large language models, LLMs, question answering, chatbot

Recent Activity

ahmed-d8k updated a dataset 6 days ago

vectara/results

kartik-vectara updated a Space 23 days ago

vectara/leaderboard

kartik-vectara updated a Space 23 days ago

View all activity

updated a dataset 6 days ago

vectara/results

Viewer • Updated 6 days ago • 111 • 584 • 1

updated 2 Spaces 23 days ago

LLM Hallucination Leaderboard

Hallucination rates of leading LLMs, scored by HHEM

README

updated a model 23 days ago

vectara/hallucination_evaluation_model

Text Classification • 0.1B • Updated 23 days ago • 103k • 371

updated a Space about 2 months ago

HHEM Hallucination Detector

Is this LLM output faithful to its source? Free open HHEM.

submitted a paper to Daily Papers 4 months ago

PrivacyAlign: Contextual Privacy Alignment for LLM Agents

Paper • 2606.21710 • Published Jun 19 • 4

authored 4 papers 4 months ago

FaithBench: A Diverse Hallucination Benchmark for Summarization by Modern LLMs

Paper • 2410.13210 • Published Oct 17, 2024

Conventional Contrastive Learning Often Falls Short: Improving Dense Retrieval with Cross-Encoder Listwise Distillation and Synthetic Data

Paper • 2505.19274 • Published May 25, 2025

Unifying Adversarial Robustness and Training Across Text Scoring Models

Paper • 2602.00857 • Published Jan 31

PrivacyAlign: Contextual Privacy Alignment for LLM Agents

Paper • 2606.21710 • Published Jun 19 • 4

authored 2 papers 7 months ago

Injecting Domain Adaptation with Learning-to-hash for Effective and Efficient Zero-shot Dense Retrieval

Paper • 2205.11498 • Published May 23, 2022

ORBIT: Scalable and Verifiable Data Generation for Search Agents on a Tight Budget

Paper • 2604.01195 • Published Apr 1 • 4

authored a paper 8 months ago

Strategic Navigation or Stochastic Search? How Agents and Humans Reason Over Document Collections

Paper • 2603.12180 • Published Mar 12 • 67

updated 2 Spaces 11 months ago

LLM Hallucination Leaderboard

Hallucination rates of leading LLMs, scored by HHEM

README

in vectara/leaderboard 12 months ago

Update app/requirements.txt

#13 opened 12 months ago by

updated a model about 1 year ago

vectara/hallucination_evaluation_model

Text Classification • 0.1B • Updated 23 days ago • 103k • 371

in vectara/hallucination_evaluation_model about 1 year ago

the max token length for HHEMv2? Token indices error and killed.

#23 opened about 1 year ago by

updated a Space about 1 year ago

DigitalBank

Upload files for processing and interact with AI assistant

updated a Space about 1 year ago

Hallucination Evaluation Leaderboard

View the Vectara leaderboard online