gemini-3.8-flash-tts

Fined:

• fatal · currency — never said “four hundred fifty thousand” (45 of 49 transcripts)

→ we sent “The budget is $450K for the year.”

→ it said “The budget is four hundred fifty K for the year.”

• minor · dates · promptable — kept the value but never said “march” (7 of 7 transcripts)

→ we sent “Your slot is 03/09 this year.”

→ it said “Your slot is o-three-o-nine this year.”

• minor · times · promptable — said “slash” out loud (12 of 31 transcripts)

→ we sent “Meet at 8:45 a.m. PT / 11:45 a.m. ET.”

→ it said “Meet at eight forty-five a.m. PT slash eleven forty-five a.m. ET.”

+ 2 more fined

Token-billed: $0.50/1M text in, $9/1M audio out until 2026-12-31, then $1 / $18 (ai.google.dev/gemini-api/docs/pricing). At 25 audio tokens/sec and 900 chars/min of speech that is ~$15 per 1M chars, ~$30 from 2027-01-01.