OpenAI · GPT

GPT API pricing

GPT-6 for text, plus image generation, speech, transcription and embeddings on their own endpoints. Every OpenAI model on Tokens.Pay at its list price, through one prepaid, OpenAI-compatible key.

10 models · input from $0.10 per 1M tokens · processed by OpenAI

OpenAI API prices

OpenAI models and prices, per 1M tokens
ModelContextInput$/1MCached$/1MOutput$/1M
GPT-6 Astra gpt-6-astra 1.05M $10.00 $1.00 $50.00
GPT-6.1 Sol gpt-6-1-sol 1.05M $2.00 $0.10 $10.00
GPT-6.1 Terra gpt-6-1-terra 1.05M $1.00 $0.05 $5.00
GPT-6 Luna gpt-6-luna 1.05M $0.10 $0.01 $0.50
OpenAI models and prices
ModelEndpointPrice
GPT Image 2.5 Sunburst gpt-image-2-5-sunburst /v1/images/generations $0.006 per image
GPT Image 2.5 Flare gpt-image-2-5-flare /v1/images/generations $0.006 per image
GPT-4o Mini TTS gpt-4o-mini-tts /v1/audio/speech $0.015 per 1K characters
Transcription Fast gpt-4o-mini-transcribe /v1/audio/transcriptions $1.25 per 1M audio tokens
Transcription Accurate gpt-4o-transcribe /v1/audio/transcriptions $2.50 per 1M audio tokens
Text Embeddings text-embedding-3-small /v1/embeddings $0.02 per 1M tokens

OpenAI’s list prices in US dollars. Tokens.Pay adds a 5% fee (minimum $0.79) when you add credit, never per request.

Where OpenAI requests go

Your code calls AI Runtime, which forwards the request to the provider and keeps only the bill.

Who processes your requests

Model provider
OpenAI · data terms
Gateway
AI Runtime, AWS us-east-1

Not stored by Tokens.Pay or AI Runtime. Prompts and outputs exist in memory only while the request runs; we keep the billing record. The provider processes the request under its own terms. Zero data retention, exactly

Call GPT-6 Astra with the OpenAI SDK

Base URL https://api.airuntime.dev/v1, your key as the bearer token. Swap the model id for any OpenAI model above.

curl

curl https://api.airuntime.dev/v1/chat/completions \
  -H "Authorization: Bearer $TOKENS_PAY_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-6-astra",
    "messages": [{"role": "user", "content": "Say hello in five words."}]
  }'

GPT API questions

How much does the OpenAI API cost?

GPT-6 Astra: $10.00 input, $50.00 output per 1M tokens; GPT-6.1 Sol: $2.00 input, $10.00 output per 1M tokens; GPT-6.1 Terra: $1.00 input, $5.00 output per 1M tokens; GPT-6 Luna: $0.10 input, $0.50 output per 1M tokens; GPT Image 2.5 Sunburst: $0.006 per image; GPT Image 2.5 Flare: $0.006 per image; GPT-4o Mini TTS: $0.015 per 1K characters; Transcription Fast: $1.25 per 1M audio tokens; Transcription Accurate: $2.50 per 1M audio tokens; Text Embeddings: $0.02 per 1M tokens. These are OpenAI’s list prices; Tokens.Pay adds nothing per request, and a 5% fee (minimum $0.79) applies when you add credit.

Can I call GPT models with the OpenAI SDK?

Yes. Point the OpenAI SDK at https://api.airuntime.dev/v1, use your Tokens.Pay key as the API key, and set model to an id such as "gpt-6-astra". The same key calls every model on Tokens.Pay.

Where are OpenAI requests processed?

By OpenAI, under its own API data terms, through AI Runtime on AWS us-east-1. Tokens.Pay and AI Runtime do not store prompts or outputs.

What is the cheapest OpenAI model?

GPT-6 Luna, from $0.10 per 1M input tokens.

More models

Add credit, then call GPT.

From $5, plus a 5% top-up fee (minimum $0.79). No subscription; paid credit never expires.

Add credit