OpenAI API pricing
Every OpenAI model (GPT and o-series) we track, with the cheapest price per 1M tokens across 7 providers next to OpenAI's own API price. Collected daily.
OpenAI API prices by model
Standard (real-time) rates per 1M tokens, newest first. “Cheapest” is the lowest input price across every provider we track; batch and cached-input rates are on each model page.
| Model | Cheapest input | Output | Cheapest on |
|---|---|---|---|
| GPT-6.1 Sol | $2.00 | $10.00 | Microsoft Azure |
| GPT-6 Astra | $3.00 | $15.00 | Velokey |
| GPT-6 Luna | $0.100 | $0.500 | GMI Cloud |
| GPT-6 Sol | $2.00 | $10.00 | GMI Cloud |
| GPT-5.6 Luna | $0.200 | $1.20 | OpenAI |
| GPT-5.6 Sol | $1.50 | $9.00 | Velokey |
| GPT-5.6 Terra | $1.50 | $9.00 | Velokey |
| GPT-5.5 | $1.50 | $9.00 | Velokey |
| GPT-5.5 Pro | $30.00 | $180.00 | OpenAI |
| GPT-5.4128K context | $0.750 | $4.50 | Velokey |
| GPT-5.4 Mini128K context | $0.225 | $1.35 | Velokey |
| GPT-5.4 Nano128K context | $0.200 | $1.25 | GMI Cloud |
| GPT-5.4 Pro128K context | $30.00 | $180.00 | GMI Cloud |
| GPT-5.3 Codex | $1.75 | $14.00 | Prime Intellect |
| GPT-5.2400K context | $1.75 | $14.00 | OpenAI |
| GPT-5.2 Pro400K context | $21.00 | $168.00 | OpenAI |
| GPT-5.2 Codex | $1.75 | $14.00 | OpenRouter |
| GPT-5.1256K context | $1.25 | $10.00 | OpenAI |
| GPT-5.1 Codex | $1.25 | $10.00 | OpenRouter |
| GPT-5.1 Codex mini | $0.250 | $2.00 | OpenRouter |
| GPT-5200K context | $1.25 | $10.00 | OpenAI |
| GPT-5 mini200K context | $0.250 | $2.00 | OpenAI |
| GPT-5 Nano128K context | $0.050 | $0.400 | OpenAI |
| GPT-5 Pro400K context | $15.00 | $120.00 | OpenAI |
| GPT-4.11.0M context | $2.00 | $8.00 | OpenAI |
| GPT-4.1 mini1.0M context | $0.400 | $1.60 | OpenAI |
| GPT-4.1 nano1.0M context | $0.100 | $0.400 | OpenAI |
| GPT-4o128K context | $2.50 | $10.00 | OpenAI |
| GPT-4o mini128K context | $0.150 | $0.600 | OpenAI |
| o4-mini200K context | $1.10 | $4.40 | Microsoft Azure |
| GPT-4 Turbo | $10.00 | $30.00 | OpenRouter |
| GPT-3.5 Turbo | $0.500 | $1.50 | OpenAI |
| o3 | $2.00 | $8.00 | Microsoft Azure |
| o3-mini200K context | $1.10 | $4.40 | OpenAI |
| o3 Pro200K context | $20.00 | $80.00 | OpenAI |
| o1200K context | $15.00 | $60.00 | OpenAI |
| o1-pro | $150.00 | $600.00 | OpenAI |
Official column shows input / output per 1M tokens on OpenAI's own API.
OpenAI price history
Average input price per 1M tokens across the providers serving each model, last 90 days.
Frequently Asked Questions
What is the cheapest OpenAI API?
Of the 37 OpenAI models we track, GPT-5 Nano has the lowest input price right now: $0.050 per 1M input tokens on OpenAI. Prices are collected daily from 7 providers — see the table above for every model.
Where is GPT-6.1 Sol cheapest?
GPT-6.1 Sol is served by 5 providers we track. The lowest standard input price is $2.00 per 1M tokens on Microsoft Azure. Throughput, latency and context limits differ between hosts, so check the model page before committing.
Is a third-party host cheaper than OpenAI's own API?
For 9 of the 37 OpenAI models we track, another provider currently lists a lower input price than OpenAI's own API. Compare the "Cheapest" and "Official" columns above; batch and cached-input rates are on each model page.