OpenAI: GPT-5.4 Image 2
GPT-5.4 Image 2 is an image generation model from OpenAI released on Apr 21, 2026. It reads text, images and files and writes text and images, with a 272K token context window.
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It costs $8 per million input tokens and $15 per million output tokens. Cached input bills at $2, 75% less than fresh input.
It supports prompt caching.
2 providers serve it, including Kilo Gateway and AI/ML API.
- Modalities
- In / out price
- $8 / $15 per 1M
- Context
- 272K
- Max output
- 128K
- Released
- Apr 21, 2026
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
GPT-5.4 Image 2 pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $8 / 1M tokens | |
|---|---|---|
| Output | $15 / 1M tokens | |
| Cached input (read) | $2 / 1M tokens | 75% off input |
GPT-5.4 Image 2 providers
2 providers serve it, including Kilo Gateway and AI/ML API. Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Kilo Gateway | $8 | $15 | $2 | 272K | 128K |
| AI/ML API | $11.00 | $20.63 | $2.75 | 272K | 128K |
What GPT-5.4 Image 2 costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call GPT-5.4 Image 2 through an OpenAI compatible API.
- Reasoning
reasoning
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Models that take the same inputs, closest in price, cheaper ones first.
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GPT-5.4 Image 2 questions
How much does the GPT-5.4 Image 2 API cost?
$8 per million input tokens and $15 per million output tokens, with cached input at $2. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of GPT-5.4 Image 2?
272,000 tokens of input, and it can write up to 128,000 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve GPT-5.4 Image 2?
2 providers serve it, including Kilo Gateway and AI/ML API. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Is GPT-5.4 Image 2 open source?
No. OpenAI serves it through an API only, so you cannot download the weights or host it yourself.
When was GPT-5.4 Image 2 released?
Apr 21, 2026.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.
Building on GPT-5.4 Image 2?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
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