OpenAI Models
OpenAI logo

GPT-5.5

byOpenAI

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

Chat withGPT-5.5
Input Price$5.00/1M tokens
Output Price$30.00/1M tokens
Intelligence60.2
Coding59.1

Specifications

Technical details and pricing.

ProviderOpenAI
Context Window1,050,000 tokens
Release DateApr 23, 2026
ModalitiesFile, Image, Text → Text
CapabilitiesVision

Benchmarks

7 benchmark scores from Artificial Analysis.

GPQA93.5%
HLE44.3%
SciCode56.1%
LCR74.3%
IFBench75.9%
Tau293.9%
TerminalBench Hard60.6%

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Frequently Asked Questions

What is GPT-5.5 good for?

Use GPT-5.5 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.

How much does GPT-5.5 cost?

Pricing is based on usage. Current rates are $5.00/1M tokens for input and $30.00/1M tokens for output.

Can I try GPT-5.5 for free?

Yes. You can start a chat instantly and test the model before deciding on a plan.

Does GPT-5.5 support images or audio?

GPT-5.5 can understand images.

Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.

Customer Support