# GPT-5.4 Image 2

> 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.

Source page: https://www.aimodel.directory/models/openai-gpt-5-4-image-2
Last verified: 17 Oct 2026

## Specifications

- **Developer:** OpenAI
- **Release date:** 21 Apr 2026 (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/openai/gpt-5.4-image-2.toml)
- **Status:** Generally available (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/openai/gpt-5.4-image-2.toml)
- **Weights:** Proprietary (API only) (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/openai/gpt-5.4-image-2.toml)
- **Context window:** 272K (272,000 tokens) (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/openai/gpt-5.4-image-2.toml)
- **Max output:** 128K tokens (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/openai/gpt-5.4-image-2.toml)
- **Input:** Images, text and PDFs (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/openai/gpt-5.4-image-2.toml)
- **Output:** Images and text (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/openai/gpt-5.4-image-2.toml)
- **Reasoning mode:** Yes (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/openai/gpt-5.4-image-2.toml)
- **Tool calling:** No (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/openai/gpt-5.4-image-2.toml)
- **Structured output:** Yes (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/openai/gpt-5.4-image-2.toml)

## API pricing (USD per 1M tokens)

| Provider | Input | Output | Cached input | Context |
|---|---|---|---|---|
| OpenRouter | $8 | $15 | $2 | 272K |

## FAQ

### 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.

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Data licensed CC BY 4.0. Cite as: AI Model Directory, "GPT-5.4 Image 2", https://www.aimodel.directory/models/openai-gpt-5-4-image-2