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ProgrammingDEV Community ·
Laravel Eloquent vs Query Builder: When to Use Each and Why It Matters
Eloquent suits working with individual records that need behavior such as validation, casts, relationships, events and soft deletes, while the query builder suits rows treated as plain data for reports, joins, aggregates, bulk writes and large exports. The two share nearly identical SQL, but Eloquent adds a soft-delete condition automatically and wraps every row in a model. Benchmarks on a 50,000-row MariaDB table using Laravel 13.35.0 showed that loading rows as models took roughly six times longer than plain objects and used about twice the memory. The gap matters most for bulk jobs and exports rather than small paginated pages. The author notes the two also diverge on updates, deletes and inserts, where many production bugs originate.
