GEO — generative engine optimization — is the practice of optimizing content for visibility in generative engines: AI systems that compose answers from retrieved sources. Full entry for GEO in the glossary.
DeepSeek opened its previously internal-only search engine to developers on October 17, 2026, per its own API documentation: a Search API returning…
Via DeepSeek API documentation ↗ · Oct 19 · · Engines, Tools & Vendors, AEO, GEO
A new benchmark, VoteGEO-Bench, tests how generative engine optimization (GEO) rewriting changes which webpages AI engines cite on election queries…
Via arXiv GEO ↗ · Oct 15 · · Research, GEO, AEO
A new arXiv preprint introduces Gap Detection, a framework that searches a shared text embedding space for relevant ideas a language model's existing…
Via arXiv GEO ↗ · Oct 14 · · Research, GEO, AEO
University of Toronto researchers tracked 90 days of ChatGPT, Gemini and Perplexity answers to commercial questions — 158,099 answers, 468,037 citations…
Researchers from Xi'an Jiaotong University and the National University of Singapore observed four ChatGPT Web configurations spanning GPT-5.2 through…
Search Engine Journal contributor Reza Moaiandin tested Claude Sonnet 5 on six shopping and travel scenarios across five languages — English, Arabic…
Via Search Engine Journal ↗ · Oct 13 · · Research, AEO, GEO
Zeta Global (NYSE: ZETA) agreed on October 5, 2026 to acquire Senso, the Toronto-based, Y Combinator-backed AI engineering startup whose technology…
Via Zeta Global ↗ · Oct 5 · · Tools & Vendors, Law & Money, GEO
A new arXiv paper analyzing 17,211 citation instances across 6,356 source domains on 10 AI-search platforms finds that each platform's top 20 cited…
Via arXiv AI-search citations ↗ · Oct 8 · · Research, AEO, GEO
A preprint posted to arXiv September 28 argues that "agent experience," or AX — whether an AI agent can successfully fetch and read a business's own site…
Via arXiv GEO ↗ · Sep 28 · · Research, AEO, GEO
Discovered Labs co-founders Ben Moore and Liam Dunne, in an arXiv preprint, analyzed roughly 2 million citations from ChatGPT, Claude, Google AI and…
Via arXiv AI-search citations ↗ · Sep 28 · · Research, AEO, GEO
An arXiv paper analyzing 34,960 unbranded prompt-engine observations across 75 anonymized client projects tracked by AI-visibility platform Aiso, covering…
Via arXiv AI-search citations ↗ · Sep 19 · · Research, AEO, GEO
Berlin-based generative engine optimization agency GetCited found 86% of AI answers to product-comparison questions cited at least one commercially…
Via PPC Land ↗ · Sep 27 · · Research, AEO, GEO
ChatGPT-5.6 Luna, now OpenAI's default ChatGPT model, runs far more site-targeted searches than its predecessor GPT-5.5, per a Seer Interactive analysis…
Via Seer Interactive ↗ · Sep 24 · · Research, AEO, GEO
A new arXiv benchmark, HAE-GEO, tests whether AI shopping agents verify suspicious evidence and recover before finalizing a recommendation, rather than…
Via arXiv GEO ↗ · Sep 5 · · Research, GEO
A new arXiv preprint validates a deterministic content score built as a cheap proxy for AI-citation likelihood, using adversarial falsification tests…
Via arXiv GEO ↗ · Sep 7 · · Research, GEO, AEO
A new arXiv preprint introduces GEO Defender, a two-stage defense for generative search systems facing malicious generative engine optimization (GEO)…
Via arXiv GEO ↗ · Sep 2 · · Research, GEO
Ten Speed analyzed 170 B2B buyer-evaluation prompts across ChatGPT, Perplexity, Claude and Gemini, generating 7,387 citation appearances tracked via the…
Via Search Engine Journal ↗ · Sep 3 · · Research, AEO, GEO
A new arXiv preprint introduces Counter-GEO-Bench, a benchmark for testing whether AI safety guardrails catch misinformation delivered through generative…
Via arXiv GEO ↗ · Sep 2 · · Research, GEO
A Contentsquare survey of 2,000 consumers in the US and France found that when an AI-recommended website disappoints a shopper, 23% switch to a competitor…
Via PPC Land ↗ · Sep 2 · · AEO, GEO
A new arXiv preprint describes PersonaGen-1M, a corpus of 1,031,732 synthetic buyer personas spanning 511 industry labels and 4 market contexts, built to…
Via arXiv GEO ↗ · Aug 30 · · Research, GEO
A new arXiv preprint introduces CHASE, a simulation framework testing what happens when content creators repeatedly rewrite documents to match…
Via arXiv GEO ↗ · Aug 31 · · Research, GEO
A paper posted to arXiv on August 27 formalizes generative-engine-optimization strategy selection as a competitor-aware problem: as adoption of…
Via arXiv GEO ↗ · Aug 27 · · Research, GEO
Testing GPT-4o-mini, Claude Sonnet and Gemini on skincare product recommendations, researchers Xi Chu and Yupeng Hou found that when competing products…
Via arXiv GEO ↗ · Jun 16 · · Research, GEO, AEO
A GEOFlagBench study — 3,200 pages spanning eight GEO optimizer families — trained a detector, Intervention-Paired Training on ModernBERT, that raised F1…
Via arXiv GEO ↗ · Aug 17 · · Research, GEO
A new paper models the escalating cycle of publishers rewriting content to chase generative-engine citations — which can degrade document quality and…
Via arXiv GEO ↗ · Aug 11 · · Research, GEO
Gen Z consideration of Claude climbed from 14.2% to 28.1% and of OpenAI from 10.1% to 22.1% between Q1 and Q2 2026, per YouGov BrandIndex data reported by…
Via Search Engine Journal ↗ · Aug 7 · · Research, AEO, GEO
A geoSurge study found AI models search for familiar brands 3.2 times more often than unfamiliar ones — 55.7% versus 17.4% of the time — per Search Engine…
Via Search Engine Land ↗ · Jul 30 · · Research, AEO, GEO
Researchers introduce GPE, a multi-domain fact-verification benchmark and evaluation framework that lets evaluators control evidence sources and poisoning…
Via arXiv GEO ↗ · Jul 22 · · Research, GEO
A critical survey of 45 studies frames GEO as a stochastic, partially observable pipeline spanning retrieval, citation, prominence and user behavior — not…
Via arXiv GEO ↗ · Jul 15 · · Research, GEO
