Percona shipped a free MongoDB AI search twin; BTIG's $417 target on MongoDB rests on Atlas

The free version shipped first

Percona, a Raleigh, North Carolina company that sells support and services for open-source databases, shipped Percona Search for MongoDB on November 4, 2026↗: full-text, vector and hybrid search, running on mongot, the search engine MongoDB▲+0.43% — MongoDB, up 0.43 percent today itself built, inside the customer's own infrastructure ¹.

It is source-available and free, with no paid edition, no deployment limits and no license-gated features; Percona charges nothing, and an optional add-on to its support contracts is where it gets paid ¹². Embeddings generate locally through Ollama, vLLM or LocalAI, with no per-token service charges, and clusters can run air-gapped ¹. The target is the self-managed base MongoDB's growth case counts on moving into its paid cloud.

MongoDB followed five days later. On November 9 it put Automated Embedding into public preview on Atlas↗, its paid cloud: Atlas integrates Voyage AI embedding models to generate vectors inside the database and re-embed documents when indexed fields change, with quantization that cuts storage roughly 4x (scalar) or 32x (binary) versus float32 ³⁴.

What the $417 rating rides on

BTIG, a brokerage research firm, started MongoDB (NASDAQ: MDB) at Buy on November 10 with a $417 price target↗, on the view that revenue growth above 20% can be sustained ⁵⁶. That growth lives in Atlas, which billed $565.9 million last quarter, up 29% year over year, out of $771.8 million total revenue, up 30%↗ ⁷. The self-managed side Percona courts, Enterprise Advanced and other, grew faster still, up 36% to $181.2 million ⁷.

The camp Atlas cannot serve

Percona chief executive Peter Farkas names the buyer: "For many organizations, adding vector search has meant sending data somewhere their policies won't allow" ¹. Data-residency and air-gap shops are ones Atlas cannot serve by design. With more than 69,300 of its 70,600-plus customers already on Atlas, MongoDB's exposure is a revenue question, not a customer-count question ⁷. The free twin removes the pitch that AI search requires Atlas; no source yet quantifies the hit, if any, to migration.

The first test lands on December 1

MongoDB reports fiscal Q3, the three months ended October 31, after the close on December 1, 2026↗ ⁸, from a stock that fell 18.5% on the September 28 chief-executive transition and 7.2% on November 5 ⁶. The Inference has already tracked the raised growth targets and the chief-executive exit. The comparison that matters in this print: Atlas's growth rate against Enterprise Advanced's 36%, and the first management comment on self-managed demand since the free twin shipped ⁸⁶.