This Week in AI Search (w/c 02/03/26)

AI search hit two milestones this week.

Google triggered AI Overviews on half of all US queries. OpenAI released its most capable model yet, with native computer control.

This matters now.

What Happened

1. OpenAI launches GPT-5.4 with native computer use

OpenAI released GPT-5.4 on 5 March, its first general-purpose model with native computer-use capabilities (OpenAI, 2026). It is 33% less error-prone than GPT-5.2 and supports a 1 million token context window (TechCrunch, 2026). It is OpenAI's first model to ship with financial plugins for Microsoft Excel and Google Sheets.

2. Perplexity signs multi-year CoreWeave deal for AI inference

Perplexity announced on 4 March it will move inference workloads to CoreWeave's Nvidia GB200 NVL72 clusters (Axios, 2026). The deal covers Perplexity's Sonar model and Search API, with CoreWeave adopting Perplexity Enterprise Max internally (CoreWeave, 2026). CoreWeave shares jumped 5.7% pre-market on the news.

3. Google AI Overviews now triggers on 50% of US queries

AI Overviews grew sharply year-on-year and now appear on a large share of US searches. Ads within AI Overviews grew from 5% to over 25% of results in eight months (Search Engine Land, 2026). Commercial and navigational query coverage doubled in 12 months.

4. OpenAI, Google and Perplexity near FedRAMP 20x government approval

All three AI firms are close to approval for hosting AI directly on US government systems under FedRAMP 20x (Fast Company, 2026). Perplexity is already the second platform cleared, joining OpenAI which received authorisation in September 2025 (FedScoop, 2026). This unlocks billions in procurement for new entrants.

5. ChatGPT web search reduces link count in results

OpenAI's web search shifted this week to fewer traditional links and more synthesised answers. Publishers tracking ChatGPT referral traffic are already recording declines.

Why It Matters

AI search is no longer a supplement. It is the result. Google's growing AI Overview footprint means most queries now return synthesised content before any organic link. Ad placements inside AI Overviews grew 394% in eight months (Search Engine Land, 2026). The ad economy is not dying. It is moving upstream.

The infrastructure layer is hardening. Perplexity's CoreWeave deal shows AI search firms now build dedicated inference capacity rather than relying on general-purpose cloud (Axios, 2026). Whoever controls inference controls search quality.

Government adoption changes the stakes entirely. FedRAMP approval for OpenAI, Google, and Perplexity is not a niche procurement story (Fast Company, 2026). It is the formal entry of AI search into national infrastructure. If you run a business, this changes everything about how customers find you.

Who Wins / Who Loses

Winners

• OpenAI: GPT-5.4 leads in agentic capabilities with native computer use live for enterprise users (OpenAI, 2026).
• Perplexity: The CoreWeave deal positions Perplexity as infrastructure-grade, not just consumer-facing (CoreWeave, 2026).
• CoreWeave: The Perplexity partnership validates its GPU cloud model and drove a 5.7% pre-market stock gain (247 Wall St., 2026).
• Government procurement teams: FedRAMP 20x gives agencies frontier AI access with discounted GSA OneGov pricing (FedScoop, 2026).

Losers

• Traditional publishers: ChatGPT's fewer links and Google's growing AI Overviews coverage both reduce organic referral traffic.
• AWS: Perplexity's shift to CoreWeave signals specialist AI cloud providers are winning inference contracts (Axios, 2026).
• Mid-tier search platforms: FedRAMP approval tilts government spend toward the top three, shutting out smaller players.
• Organic SEO: Queries triggering AI Overviews doubled in 12 months, cutting reach for traditional optimisation (Search Engine Land, 2026).

References

• 247 Wall St. (2026) CoreWeave Lands Perplexity in New AI Cloud Deal, Stock Jumps 5.7% Pre-Market. Available at: https://247wallst.com/investing/2026/03/04/coreweave-lands-perplexity-in-new-ai-cloud-deal-stock-jumps-5-7-pre-market/ (Accessed: 9 March 2026).
• Axios (2026) Perplexity inks CoreWeave deal to use Nvidia Grace Blackwell-powered clusters. Available at: https://www.axios.com/2026/03/04/perplexity-coreweave-data-center-nvidia (Accessed: 9 March 2026).
• CoreWeave (2026) CoreWeave Announces Agreement to Power Perplexity's AI Inference Workloads. Available at: https://investors.coreweave.com/news/news-details/2026/CoreWeave-Announces-Agreement-to-Power-Perplexitys-AI-Inference-Workloads/default.aspx (Accessed: 9 March 2026).
• Fast Company (2026) OpenAI, Google, and Perplexity near approval to host AI directly for the U.S. government. Available at: https://www.fastcompany.com/91494829/openai-google-perplexity-hosting-ai-us-government-exclusive (Accessed: 9 March 2026).
• FedScoop (2026) Perplexity becomes second AI platform cleared for FedRAMP prioritization. Available at: https://fedscoop.com/perplexity-fedramp-artificial-intellgence-government-fedramp-cloud-gsa-general-services-administration/ (Accessed: 9 March 2026).
• OpenAI (2026) Introducing GPT-5.4. Available at: https://openai.com/index/introducing-gpt-5-4/ (Accessed: 9 March 2026).
• Search Engine Land (2026) Google AI Overviews surged in 2025, then pulled back: Data. Available at: https://searchengineland.com/google-ai-overviews-surge-pullback-data-466314 (Accessed: 9 March 2026).
• TechCrunch (2026) OpenAI launches GPT-5.4 with Pro and Thinking versions. Available at: https://techcrunch.com/2026/03/05/openai-launches-gpt-5-4-with-pro-and-thinking-versions/ (Accessed: 9 March 2026).