GPT-5.4 Image 2
Summary
GPT-5.4 Image 2 is a proprietary language model from OpenAI, released on 21 Apr 2026. It accepts images, text and PDFs and generates images and text, with a 272K-token context window and up to 128K output tokens per response. As of 17 Oct 2026, the lowest listed API price is $8 per million input tokens and $15 per million output tokens (OpenRouter), across 1 provider we track.
Image model for prompt-driven generation, editing, and visual design workflows
Last verified 17 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | OpenAI |
|---|---|
| Release date | 21 Apr 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 272K (272,000 tokens) [models.dev] |
| Max output | 128K tokens [models.dev] |
| Input | Images, text and PDFs [models.dev] |
| Output | Images and text [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | No [models.dev] |
| Structured output | Yes [models.dev] |
GPT-5.4 Image 2 API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| OpenRouter openai/gpt-5.4-image-2 | $8 | $15 | $2 | 272K | OpenRouter, 17 Oct 2026 |
Frequently asked questions
What is the context window of GPT-5.4 Image 2?
GPT-5.4 Image 2 has a context window of 272,000 tokens (272K) and can generate up to 128,000 tokens in a single response, according to models.dev.
How much does the GPT-5.4 Image 2 API cost?
GPT-5.4 Image 2 is listed from $8 per million input tokens and $15 per million output tokens (OpenRouter). Prices last verified 17 Oct 2026.
Is GPT-5.4 Image 2 open source?
No. GPT-5.4 Image 2 is a proprietary model; OpenAI has not released its weights. It is available through APIs including OpenRouter.
When was GPT-5.4 Image 2 released?
OpenAI released GPT-5.4 Image 2 on 21 Apr 2026, according to models.dev.
Change history
- Now listed on OpenRouter
- Added to the directory