Gemini 3 Flash beats the prior Pro tier at a third of the cost

Claim

Google released Gemini 3 Flash, which outperforms Gemini 2.5 Pro while running 3x faster at one-third the cost.

Reported metric: 3x faster, 1/3 cost

Reporting date: 2025-12-18 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

• Welcome to December 18, 2025 (theinnermostloop.substack.com)