AI ranking change · 2026-07-10
Tonic overtakes Gretel as ChatGPT's #1 pick
for synthetic data generation tool
Gretel→Tonic
On 2026-07-10, ChatGPT changed its #1 recommendation for best synthetic data generation tool — dropping Gretel from the top spot in favor of Tonic. The previous #1 had held since 2026-07-08.
“Best overall mix of relational test-data generation, de-identification, database subsetting, unstructured-data support, mock APIs, automation, and self-hosting”— ChatGPT
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