GPT Image 2.6 API pricing and setup

GPT Image 2.6 (gpt-image-2.6) is a OpenAI model. It is available through the relay.fast API with one relay.fast key and pay-as-you-go billing.

Prices checked from the live catalog. "From" is the lowest price among the relay.fast sources that currently serve the model. The price you pay depends on the source your request uses and can change on any day. The pricing page always shows current values.

List price$0.5 per image
relay.fast price from$0.01 per image
Lower than the official price byup to 98%
Endpoints/v1/images/generations

Example request

Keep the key in the RELAY_FAST_API_KEY environment variable.

curl https://relay.fast/v1/images/generations \
  -H "Authorization: Bearer $RELAY_FAST_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"gpt-image-2.6","prompt":"A lighthouse at dawn, watercolor"}'

Frequently asked questions

How much does the GPT Image 2.6 API cost?

On 2026-11-05, GPT Image 2.6 costs from $0.01 per image on relay.fast, against a list price of $0.5. The price depends on the source your request uses and can change; https://relay.fast/pricing/gpt-image-2.6 shows the current value.

Which API endpoint does GPT Image 2.6 use?

Call /v1/images/generations with a relay.fast API key. OpenAI-compatible SDKs use the base URL https://relay.fast/v1.

Do I need a OpenAI account to use GPT Image 2.6?

No. You use a relay.fast account and API key. relay.fast is an independent API gateway and is not affiliated with OpenAI.

Other OpenAI models

GPT Image 2 · GPT Image 2.5 · GPT Image 2.5 Flare · GPT Image 2.5 Flare 2K · GPT Image 2.5 Flare 4K · GPT Image 2.5 Sunburst · GPT Image 2.5 Sunburst 2K · GPT Image 2.5 Sunburst 4K · GPT Image 2.6 Flare · GPT Image 2.6 Sunburst

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