Vector select is not always returning the same result set

SELECT run_errorString_embeddings.run_id, VEC_DISTANCE_EUCLIDEAN(embedding, VEC_FromText(@myvec)) as distance FROM run_errorString_embeddings ORDER BY distance limit 1000;

495 rows in set (0.219 sec)

1000 rows in set (0.509 sec)

479 rows in set (0.252 sec)

501 rows in set (0.263 sec)

1000 rows in set (0.476 sec)

481 rows in set (0.244 sec)

CREATE TABLE `run_errorString_embeddings` (

	`run_id` INT(10) UNSIGNED NOT NULL,

	`attributes` LONGTEXT NOT NULL COLLATE 'utf8mb4_bin',

	`embedding` VECTOR(1024) NOT NULL,

	`vector_added` TINYINT(1) NOT NULL DEFAULT '0',

	PRIMARY KEY (`run_id`) USING BTREE,

	VECTOR INDEX `vect_embeddings` (`embedding`),

	CONSTRAINT `attributes` CHECK (json_valid(`attributes`))

)

COLLATE='utf8mb4_bin'

ENGINE=InnoDB

;