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GPT 5.5

By OpenAI
Model family: GPT
GPT-5.5 is OpenAI’s smartest and most intuitive model to date, designed to carry more of a task itself instead of requiring step-by-step management. OpenAI says it excels at writing and debugging code, researching online, analyzing data, creating documents and spreadsheets, operating software, and moving across tools until a task is finished. It is positioned as especially strong in agentic coding, computer use, knowledge work, and early scientific research, while matching GPT-5.4’s per-token latency and using significantly fewer tokens on the same Codex tasks. OpenAI rolled it out on 23-04-2026 to Plus, Pro, Business, and Enterprise users in ChatGPT and Codex.
New Multimodal Gen 3
Released: April 23, 2026

Overview

GPT-5.5 is OpenAI’s newest flagship model for real work on a computer. It is built for stronger agentic coding, computer use, knowledge work, and early scientific research, while matching GPT-5.4’s per-token latency in real-world serving and using fewer tokens to complete the same Codex tasks.

Pricing

Compare GPT 5.5 with other models listed in the same vendor pricing tiers and context lengths.

Standard

Model Input Cached input Output Unit
GPT 5.5 This model OpenAI
$5 $0.5 $30 per 1M tokens
GPT 5.4 OpenAI
$2.5 $0.25 $15 per 1M tokens
Model Input Cached input Output Unit
GPT 5.4 OpenAI
$5 $0.5 $22.5 per 1M tokens
GPT 5.5 This model OpenAI
$10 $1 $45 per 1M tokens

About OpenAI

OpenAI is a technology company that specializes in artificial intelligence research and innovation.

Industry: Artificial Intelligence
Company Size: 4500
Location: San Francisco, California, US
Website: openai.com
View Company Profile

Benchmark scores

How GPT 5.5 ranks on tracked AI benchmarks. Click any benchmark to see its full leaderboard.

ARC-AGI-2
Reasoning
85.0%
GPQA Diamond
Knowledge
93.6%
41.4%
98.0%
ViralBench
Agentic
3,945.0views/day
Compare across all benchmarks →

Tools using GPT 5.5

Last updated: April 23, 2026
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