Model detail
gpt-image-1.5
Model specs
- Context length
- –
- Max output
- –
- I/O modalities
- Image
- Released
- –
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API endpoints
One MixRoute gateway, OpenAI-compatible
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Image generation
/v1/images/generationsPOST -
OpenAI-compatible
/v1/chat/completionsPOST
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Pricing
Flat rate, unit: /1M Tokens
Input
$5.0000 /1M Tokens
Completion
$10.0000 /1M Tokens
Cache read
$1.2500 /1M Tokens
Image input
$8.0000 /1M Tokens
Image completion
$15.0000 /1M Tokens
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Selection summary
Quickly judge whether it fits your workload
What is this model good for?
Image generation with improved instruction following
Use GPT Image 1.5 for image generation tasks requiring better instruction following and adherence to prompts. It is the previous generation model with improved prompt understanding.
What should you check before using it?
Consider GPT Image 2 for latest capabilities
GPT Image 2 offers state-of-the-art quality. GPT Image 1.5 is the previous generation. Test your prompts to determine which model best fits your needs.
Why use it through MixRoute?
Use the compatible endpoint with stable model ID
Use the confirmed compatible endpoint with model ID gpt-image-1.5 through MixRoute.
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Token cost estimator
Live estimate from this page's pricing, not an actual bill
Share of the same prefix read repeatedly, up to 100%
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FAQ
GPT Image 1.5 is OpenAI’s previous image generation model with better instruction following and adherence to prompts compared to GPT Image 1.
One endpoint, a testable decision
Test this model and alternate routes with the same request format
Start from a real workload, then let quality, total cost, and failure conditions decide whether to send production traffic.