GPT-5.4 Pro
OpenAI· released 5 Mar 2026
openai/gpt-5.4-pro- Input / 1M tokens
- $30
- Output / 1M tokens
- $180
Longest answer: 128K tokens
About
GPT-5.4 Pro is an OpenAI model for complex, high-stakes tasks, with enhanced reasoning built on GPT-5.4’s unified architecture. It accepts text, images, and files, and produces text. Vision, reasoning, and tool support are listed. Its context window is 1,050,000 tokens, with a maximum output of 128,000 tokens. The model identifier is openai/gpt-5.4-pro. Pricing is $30 per 1M input tokens and $180 per 1M output tokens. GPT-5.4 Pro was released on March 5, 2026. For builders selecting a model for tasks that need long context or mixed text, image, and file inputs, those limits and supported modalities are central fit considerations. Its listed prices also make input and output token volume important to account for when planning use.
Who it is for
GPT-5.4 Pro suits teams working on complex tasks that need reasoning, tools, or a large context window. It can fit workflows whose prompts include text, images, or files.
What is good
- Context window is 1,050,000 tokens.
- Accepts text, image, and file inputs.
- Supports reasoning and tools.
- Maximum output is 128,000 tokens.
What to know first
- Input costs $30 per 1M tokens.
- Output costs $180 per 1M tokens.
Verdict
GPT-5.4 Pro offers long context, multimodal input, and tool support for demanding workflows. Its listed input and output token prices are substantial factors in choosing where to use it.
Details
- Lab
- OpenAIopenrouter.ai · 3 Oct 2026
- Context
- 1,050Kopenrouter.ai · 3 Oct 2026
- Input price
- $30 / 1Mopenrouter.ai · 3 Oct 2026
- Output price
- $180 / 1Mopenrouter.ai · 3 Oct 2026
- Max output
- 128,000 tokensopenrouter.ai · 3 Oct 2026
- Inputs
- text, image, fileopenrouter.ai · 3 Oct 2026
- Open weights
- Noopenrouter.ai · 3 Oct 2026
More newest models
See the list
Listed on Inferse
- Newest Models in 2026466 listed
- Longest-Context Models in 2026466 listed
- Cheapest Language Models in 2026437 listed
- Models with Tool Calling in 2026395 listed
- Reasoning Models in 2026332 listed
- Vision Language Models in 2026295 listed
- OpenAI Models: Pricing per 1M Tokens and Context (2026)107 listed
Sources
- openrouter.ai/openai/gpt-5.4-pro· checked 3 Oct 2026