OpenAI: GPT-5.4 Pro

Public pricingIntelligence 83/100Huge memoryVisionDeep thinkingTool use

OpenAI: GPT-5.4 Pro is a multimodal model for multimodal reasoning and analysis. It combines multimodal input handling and deep reasoning and planning with a 1M+ tokens context window and a premium profile. Use it for multimodal reasoning and analysis when accuracy, context, and control matters.

Input

$30.00/1M

Output

$180.00/1M

Cached

$3.00/1M

Batch

$15.00/1M

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What would GPT-5.4 Pro cost you?

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1,00010,00050,000250,0001M10M

Technical specifications

GPT-5.4 Pro at a glance.

Memory

1,050,000

tokens

Max reply

128,000

tokens

Memory tier

Huge

multiple books or whole repositories

Tokenizer

tiktoken-o200k

Released

Mar 2026

Training cutoff

Aug 2025

Availability

Public pricing

Status

active

Benchmarks

Quality benchmarks

Independent evaluations from public leaderboards. Higher is better.

  • gpqa_diamond

    94.6

  • frontiermath_tier_4

    37.5

  • humanitys_last_exam

    44.32

What it can do

Capabilities & limits.

  • Understands images
  • Deep step-by-step thinking
  • Uses tools / calls functions
  • Strict JSON output
  • Streams replies
  • Fine-tunable on your data

When to pick GPT-5.4 Pro

  • Multi-step reasoning, research agents, or hard math.
  • Screenshot analysis, image understanding, or document OCR.
  • Agentic workflows that call tools or APIs.
  • Long documents, full codebases, or extensive chat histories.

When to look elsewhere

  • Very latency-sensitive, real-time apps where every millisecond counts.

Alternatives

Similar models to compare.

FAQ

GPT-5.4 Pro — the questions we see most.

Pricing, capabilities, alternatives — generated from the same data that powers the calculator above.

Get instant answers from our AI agent

At a typical workload of 50,000 conversations a month with 1,500-token prompts and 800-token replies, GPT-5.4 Pro costs roughly $9,450 per month. Input is $30.00 /1M tokens and output is $180.00 /1M tokens.
GPT-5.4 Pro has a 1,050,000-token context window (huge memory — multiple books or whole repositories). That means you can fit about 196,875 words of input and history in a single call.
Beyond text generation, GPT-5.4 Pro supports understanding images, deep step-by-step reasoning, calling functions / tools, strict JSON output, fine-tuning on your own data. It streams replies by default.
GPT-5.4 Pro was released in March 2026, with training data cut off around August 2025.
Models in a similar class include GPT-5.2 Pro, o3 Pro, GPT-5 Pro. The "Similar models" section below this FAQ links into each.

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