paxa-tts-flash-v1

Measured 2026-09-28. All 20 takes differ, but barely: mean pairwise distance 0.0087, against 0.0959 for Deepgram aura-2.

Two n=100 sweeps from US East on 2026-10-20 read p50 317 and 316, down from 389 on 2026-10-10 while the anchors held. Cartesia reproduced its cell in the same runs; Deepgram and Inworld ran 7–12% fast.

Fined:

• fatal · currency — never said “three point two million” (48 of 49 transcripts)

→ we sent “We raised $3.2M in the seed round.”

→ it said “We raised some toong dalaam in the seed round.”

• fatal · large numbers — never said “three point four million” (35 of 49 transcripts)

→ we sent “The clip hit 3.4M views and 1.2k shares.”

→ it said “The clip hit three point four M views and one point two K shares.”

• fatal · math operators — never said “to the power of ten” (32 of 49 transcripts)

→ we sent “Since 2^10=1024, it fits in one block.”

→ it said “Since two ten equals one thousand twenty-four it fits in one block.”

+ 28 more fined

Paxa bills speech at 10 credits per 1,000 characters, $10 per one million characters (paxalabs.com/docs/credits, read 2026-10-06). A credit costs $0.001 on refill (10,000 for $10), and live calls on 2026-10-06 were charged 0.01 credit per character. This row read $15 from the 2026-09-12 pricing page until then. Billing is on input characters.