Changelog

Every detected price change, new vendor and data correction, newest first.

2026-10-17

launch

Initial dataset

First snapshot of 21 vendor pricing pages (89 line items) across speech-to-text, LLMs, text-to-speech, speech-to-speech, all-in platforms and telephony. Each price read from the vendor's own page on 2026-10-17.

2026-10-17

watch

Scheduled: Gemini prices change 2027-01-01

Google's Gemini API page lists gemini-3.8-flash at $0.75/$3.75 per 1M tokens through 2026-12-31, then $1.50/$7.50. Gemini TTS prices are also listed as doubling on 2027-01-01.

2026-10-17

watch

Promotional: Deepgram streaming STT

Deepgram lists Flux English ($0.0065, regular $0.0077), Nova-3 Monolingual ($0.0048, regular $0.0077) and Nova-3 Multilingual ($0.0058, regular $0.0092) as promotional rates.

2026-10-17

unverified

Not verified: PlayHT, Synthflow, some Anthropic and OpenAI items

PlayHT's pricing page was unreachable. Synthflow publishes no per-minute rate (enterprise contracts from $30,000/year). Claude Haiku 5.5 / Sonnet 5.5 prices rendered without input/output labels. OpenAI realtime and gpt-4o-mini-tts are token-priced without a published tokens-per-minute figure.