GPT-5.5 Pro

Name: GPT-5.5 Pro
Brand: OpenAI
Price: 5 USD

byOpenAI

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...

Chat withGPT-5.5 Pro

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 Pro good for?

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

How much does GPT-5.5 Pro 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 Pro for free?

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

Does GPT-5.5 Pro support images or audio?

GPT-5.5 Pro can understand images.

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