Articles Tagged "Hallucination"

Best AI Models for Text Summarization - June 2026

Best AI Models for Text Summarization - June 2026

Gemini 2.5 Flash Lite still leads the Vectara hallucination leaderboard at 3.3%, while two new entries - Gemini 3.5 Flash and Mistral Large 3 at $0.50/M - shift the value picture considerably since March.

Llama 3.3 70B Instruct

Llama 3.3 70B Instruct

Meta's Llama 3.3 70B Instruct matches Llama 3.1 405B on instruction following and math while running at 4-5x lower cost, with the lowest hallucination rate of any open-weight model on the Vectara summarization leaderboard.