The Magic of AI

OpenAI pricing

8 OpenAI prices across LLM API, embedding model, speech, each re-read from the vendor's own pricing page every week. Best-ranked item: OpenAI text-embedding-3-small, 1 of 7 in its category.

LLM API

ModelPriceUnitRank in categoryLast verified
OpenAI GPT-5.6 Luna$0.400blended $/Mtok (4:1)10 of 292026-09-05
OpenAI GPT-5.6 Terra$4.00blended $/Mtok (4:1)25 of 292026-09-05
OpenAI GPT-5.6 Sol$10.00blended $/Mtok (4:1)29 of 292026-09-05

Embedding model

ModelPriceUnitRank in categoryLast verified
OpenAI text-embedding-3-small$0.020$/Mtok1 of 72026-09-05
OpenAI text-embedding-3-large$0.130$/Mtok7 of 72026-09-05

Speech

ModelPriceUnitRank in categoryLast verified
OpenAI gpt-4o-mini-transcribe$0.0030$/minute2 of 102026-09-05
OpenAI gpt-transcribe$0.0045$/minute6 of 102026-09-05
OpenAI gpt-4o-transcribe$0.0060$/minute8 of 102026-09-05

Price movements

No price movement has been detected for OpenAI since the index started. When one is, it appears here and in the change log.

Where these figures come from

Every OpenAI figure is read from 4 vendor pages:

The weekly check re-reads each page and records any change with both the old and new figure. Prices are USD list rates excluding tax; negotiated and volume pricing are not modelled. See the methodology for how failures to verify are handled, and the full price index to compare OpenAI against every other vendor tracked here.