How do I use GPT models through Api.Airforce?

Point any OpenAI-compatible client at https://api.airforce/v1 and set the model id (for example "chatgpt-4o-latest"). Your existing OpenAI SDK works unchanged — you only swap the base URL and API key. The same key also speaks the Anthropic Messages API.

Are any GPT models free?

Yes — 1 of the 158 GPT models is on the free tier and callable at $0 (for example GPT Oss 20b). A free account needs no credit card; the remaining models are pay-as-you-go.

How much do GPT models cost on Api.Airforce?

Billing is pay-as-you-go per token, at rates that sit well below the official APIs. The exact per-model input and output prices are listed in the table above and update automatically as upstream prices change.

Which GPT models are available?

Currently 158 GPT models, including Chatgpt 4o Latest, Chatgpt Image Latest, Codex Auto Review. The catalog is refreshed as new models launch, so the list above is always current.

Model families

GPT API

OpenAI’s GPT and o-series reasoning models behind one base URL. Use the OpenAI SDK you already have — just change the base URL and key — and compare versions, context and pricing side by side.

158 models1 free at $0OpenAI- & Anthropic-compatiblePay-as-you-go

Model	Tier	Context	Price in / out (1M)
Chatgpt 4o Latest	Paid	—	$2.75 / $14.50	View
Chatgpt Image Latest	Paid	—	$5.25 / $13.00	View
Codex Auto Review	Paid	—	$0.09 / $0.56	View
Codex Mini 05.16	Paid	—	$1.95 / $7.80	View
GPT 3.5	Paid	—	$1.11 / $3.30	View
GPT 3.5 Turbo	Paid	—	$0.66 / $1.98	View
GPT 3.5 Turbo	Paid	—	$0.59 / $1.48	View
GPT 3.5 Turbo	Paid	—	$0.50 / $1.00	View
GPT 3.5 Turbo 16k	Paid	—	$5.28 / $10.59	View
GPT 3.5 Turbo Instruct	Paid	—	$1.58 / $2.10	View
GPT 3.5 Turbo Instruct	Paid	—	$1.50 / $2.00	View
GPT 4	Paid	8K	$3.96 / $7.92	View
GPT 4	Paid	—	—	View
GPT 4	Paid	—	$25.81 / $51.62	View
GPT 4	Paid	—	$3.00 / $6.42	View
GPT 4 32k	Paid	—	$60.00 / $120.00	View
GPT 4 32k	Paid	—	$26.50 / $58.00	View
GPT 4 All	Paid	—	$5.85 / $23.40	View
GPT 4 Preview	Paid	—	$19.00 / $48.00	View
GPT 4 Turbo	Paid	128K	$1.32 / $3.96	View
GPT 4 Turbo Preview	Paid	128K	$6.41 / $19.24	View
GPT 4 Vision	Paid	—	—	View
GPT 4.1	Paid	1M	$0.27 / $1.05	View
GPT 4.1 Mini	Paid	—	$0.19 / $0.76	View
GPT 4.1 Nano	Paid	—	$0.01 / $0.06	View
GPT 4.5 Preview	Paid	—	$75.00 / $150.00	View
GPT 4.5 Preview 02.27	Paid	—	$51.68 / $103.35	View
GPT 4o	Paid	128K	$1.11 / $4.44	View
GPT 4o All	Paid	—	$0.98 / $3.90	View
GPT 4o Audio	Paid	—	$88.32 / $176.64	View
GPT 4o Audio Preview	Paid	—	$2.63 / $10.50	View
GPT 4o Audio Preview 12.17	Paid	—	$2.63 / $10.50	View
GPT 4o Mini	Paid	128K	$0.10 / $0.38	View
GPT 4o Mini Audio	Paid	—	$22.08 / $44.16	View
GPT 4o Mini Audio Preview	Paid	—	$0.16 / $0.63	View
GPT 4o Mini Realtime	Paid	—	$22.08 / $44.16	View
GPT 4o Mini Realtime Preview	Paid	—	$0.63 / $2.52	View
GPT 4o Mini Search	Paid	—	$0.33 / $1.32	View
GPT 4o Mini Search Preview	Paid	—	$0.16 / $0.63	View
GPT 4o Mini Transcribe	Paid	—	$0.21 / $0.78	View
GPT 4o Mini TTS	Paid	—	$549.00 / $10.78	View
GPT 4o Realtime	Paid	—	$88.32 / $176.64	View
GPT 4o Realtime Preview	Paid	—	$5.25 / $21.00	View
GPT 4o Search	Paid	—	$5.52 / $22.08	View
GPT 4o Search Preview	Paid	—	$2.63 / $10.50	View
GPT 4o Transcribe	Paid	—	$2.63 / $10.50	View
GPT 4o Transcribe Diarize	Paid	—	$2.50 / $10.00	View
GPT 5	Paid	400K	$1.31 / $10.50	View
GPT 5 Chat	Paid	—	$1.31 / $10.50	View
GPT 5 Chat Latest	Paid	—	$1.31 / $10.50	View
GPT 5 Codex	Paid	—	$0.15 / $1.11	View
GPT 5 Mini	Paid	—	$0.12 / $0.94	View
GPT 5 Nano	Paid	—	$0.05 / $0.34	View
GPT 5 Search API	Paid	—	$2.22 / $17.64	View
GPT 5.1	Paid	400K	$1.31 / $10.50	View
GPT 5.1 Chat	Paid	—	$1.25 / $10.00	View
GPT 5.1 Chat Latest	Paid	—	$1.31 / $10.50	View
GPT 5.1 Codex	Paid	—	$0.66 / $5.20	View
GPT 5.1 Codex Mini	Paid	—	$0.16 / $1.28	View
GPT 5.2	Paid	—	$2.67 / $21.30	View
GPT 5.2 Chat	Paid	400K	$4.65 / $36.96	View
GPT 5.2 Chat Latest	Paid	400K	$1.84 / $14.70	View
GPT 5.2 Codex	Paid	—	$1.84 / $14.70	View
GPT 5.3 Chat	Paid	—	$4.65 / $36.96	View
GPT 5.3 Chat Latest	Paid	—	$1.84 / $14.70	View
GPT 5.3 Codex	Paid	—	$1.24 / $9.90	View
GPT 5.3 Codex Spark	Paid	—	$0.96 / $7.66	View
GPT 5.3 Codex Xhigh	Paid	—	$1.75 / $14.00	View
GPT 5.4	Paid	—	$1.25 / $7.50	View
GPT 5.4 High Openai Compact	Paid	—	$1.30 / $7.78	View
GPT 5.4 Low Openai Compact	Paid	—	$1.30 / $7.78	View
GPT 5.4 Medium Openai Compact	Paid	—	$1.30 / $7.78	View
GPT 5.4 Mini	Paid	—	$0.45 / $2.20	View
GPT 5.4 Mini High Openai Compact	Paid	—	$0.39 / $2.33	View
GPT 5.4 Mini Low Openai Compact	Paid	—	$0.39 / $2.33	View
GPT 5.4 Mini Medium Openai Compact	Paid	—	$0.39 / $2.33	View
GPT 5.4 Mini Openai Compact	Paid	—	$0.39 / $2.33	View
GPT 5.4 Mini Xhigh	Paid	—	$0.31 / $1.87	View
GPT 5.4 Mini Xhigh Openai Compact	Paid	—	$0.39 / $2.33	View
GPT 5.4 Nano	Paid	—	$0.14 / $0.75	View
GPT 5.4 Openai Compact	Paid	—	$2.15 / $12.91	View
GPT 5.4 Pro	Paid	—	$15.00 / $90.00	View
GPT 5.4 Xhigh	Paid	—	$1.04 / $6.22	View
GPT 5.4 Xhigh Openai Compact	Paid	—	$1.30 / $7.78	View
GPT 5.5	Paid	—	$1.20 / $6.00	View
GPT 5.5 High Openai Compact	Paid	—	$2.59 / $15.56	View
GPT 5.5 Low Openai Compact	Paid	—	$2.59 / $15.56	View
GPT 5.5 Medium Openai Compact	Paid	—	$2.59 / $15.56	View
GPT 5.5 Openai Compact	Paid	—	$2.74 / $16.42	View
GPT 5.5 Xhigh	Paid	—	$2.74 / $16.42	View
GPT 5.5 Xhigh Openai Compact	Paid	—	$2.59 / $15.56	View
GPT 5.6 Luna	Paid	—	$0.85 / $4.60	View
GPT 5.6 Luna High Openai Compact	Paid	—	$0.10 / $0.62	View
GPT 5.6 Luna Low Openai Compact	Paid	—	$0.10 / $0.62	View
GPT 5.6 Luna Max Openai Compact	Paid	—	$0.10 / $0.62	View
GPT 5.6 Luna Medium Openai Compact	Paid	—	$0.10 / $0.62	View
GPT 5.6 Luna Openai Compact	Paid	—	$0.10 / $0.62	View
GPT 5.6 Luna Xhigh	Paid	—	$0.08 / $0.50	View
GPT 5.6 Luna Xhigh Openai Compact	Paid	—	$0.10 / $0.62	View
GPT 5.6 Sol	Paid	—	$4.20 / $23.00	View
GPT 5.6 Sol High Openai Compact	Paid	—	$2.59 / $15.56	View
GPT 5.6 Sol Low Openai Compact	Paid	—	$2.59 / $15.56	View
GPT 5.6 Sol Max Openai Compact	Paid	—	$2.59 / $15.56	View
GPT 5.6 Sol Medium Openai Compact	Paid	—	$2.59 / $15.56	View
GPT 5.6 Sol Openai Compact	Paid	—	$2.14 / $12.87	View
GPT 5.6 Sol Ultra	Paid	—	$2.07 / $12.44	View
GPT 5.6 Sol Ultra Openai Compact	Paid	—	$2.59 / $15.56	View
GPT 5.6 Sol Xhigh	Paid	—	$2.07 / $12.01	View
GPT 5.6 Sol Xhigh Openai Compact	Paid	—	$2.59 / $15.56	View
GPT 5.6 Terra	Paid	—	$2.10 / $11.50	View
GPT 5.6 Terra High Openai Compact	Paid	—	$1.04 / $6.22	View
GPT 5.6 Terra Low Openai Compact	Paid	—	$1.04 / $6.22	View
GPT 5.6 Terra Max Openai Compact	Paid	—	$1.04 / $6.22	View
GPT 5.6 Terra Medium Openai Compact	Paid	—	$1.04 / $6.22	View
GPT 5.6 Terra Openai Compact	Paid	—	$0.86 / $5.15	View
GPT 5.6 Terra Ultra	Paid	—	$0.83 / $4.98	View
GPT 5.6 Terra Ultra Openai Compact	Paid	—	$1.04 / $6.22	View
GPT 5.6 Terra Xhigh	Paid	—	$0.83 / $4.98	View
GPT 5.6 Terra Xhigh Openai Compact	Paid	—	$1.04 / $6.22	View
GPT 6 Astra	Paid	—	$4.29 / $21.45	View
GPT 6 Astra Openai Compact	Paid	—	$1.55 / $7.71	View
GPT 6 Luna	Paid	—	$0.11 / $0.53	View
GPT 6 Sol	Paid	—	$2.10 / $10.50	View
GPT Audio	Paid	128K	$2.63 / $6.60	View
GPT Audio 1.5	Paid	—	$165.60 / $331.20	View
GPT Audio Mini	Paid	128K	$0.63 / $2.52	View
GPT Chat Latest	Paid	—	$2.22 / $13.32	View
GPT Image 1	Paid	—	$5.25 / $42.00	View
GPT Image 1 Mini	Paid	—	$0.89 / $3.55	View
GPT Image 1.5	Paid	—	$5.25 / $13.00	View
GPT Image 2 C	Paid	—	See details	View
GPT Image 2 Client	Paid	—	See details	View
GPT Image 2 H	Paid	—	See details	View
GPT Image 2.5 C	Paid	—	See details	View
GPT Image 2.5 Flare	Paid	—	$6.50 / $39.00	View
GPT Image 2.5 Flare C	Paid	—	See details	View
GPT Image 2.5 Flare Client	Paid	—	See details	View
GPT Image 2.5 Flare H	Paid	—	See details	View
GPT Image 2.5 Sunburst	Paid	—	$6.50 / $39.00	View
GPT Image 2.5 Sunburst C	Paid	—	See details	View
GPT Image 2.5 Sunburst Client	Paid	—	See details	View
GPT Image 2.5 Sunburst H	Paid	—	See details	View
GPT Oss 120b	Paid	131K	$0.09 / $0.37	View
GPT Oss 20b	Free	131K	$0.01 / $0.06	View
GPT Realtime	Paid	—	$5.25 / $21.00	View
GPT Realtime 1.5	Paid	—	$4.20 / $16.80	View
GPT Realtime Mini	Paid	—	$0.63 / $2.52	View
O1	Paid	—	$3.27 / $13.05	View
O1 Mini	Paid	—	$1.17 / $4.69	View
O1 Preview	Paid	—	$8.00 / $32.00	View
O3	Paid	200K	$0.27 / $1.05	View
O3 Deep Research	Paid	—	$10.50 / $42.00	View
O3 Mini	Paid	—	$1.16 / $4.62	View
O3 Mini 01.31	Paid	200K	$0.49 / $1.95	View
O3 Pro	Paid	—	$8.88 / $35.52	View
O4	Paid	200K	$2.91 / $11.64	View
O4 Mini	Paid	200K	$0.71 / $2.82	View
O4 Mini Deep Research	Paid	—	$2.10 / $8.40	View

Call GPT in three lines

Same code as the OpenAI SDK — change the base URL and key, pick a model id:

from openai import OpenAI

client = OpenAI(
    base_url="https://api.airforce/v1",
    api_key="YOUR_KEY",
)

resp = client.chat.completions.create(
    model="chatgpt-4o-latest",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)

Frequently asked questions

How do I use GPT models through Api.Airforce?: Point any OpenAI-compatible client at https://api.airforce/v1 and set the model id (for example "chatgpt-4o-latest"). Your existing OpenAI SDK works unchanged — you only swap the base URL and API key. The same key also speaks the Anthropic Messages API.
Are any GPT models free?: Yes — 1 of the 158 GPT models is on the free tier and callable at $0 (for example GPT Oss 20b). A free account needs no credit card; the remaining models are pay-as-you-go.
How much do GPT models cost on Api.Airforce?: Billing is pay-as-you-go per token, at rates that sit well below the official APIs. The exact per-model input and output prices are listed in the table above and update automatically as upstream prices change.
Which GPT models are available?: Currently 158 GPT models, including Chatgpt 4o Latest, Chatgpt Image Latest, Codex Auto Review. The catalog is refreshed as new models launch, so the list above is always current.

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