OpenAI: GPT-5.5 Pro

openai/gpt-5.5-pro

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 text and image inputs, and is designed for long-horizon problem solving, agentic coding, and precise execution across multi-step workflows.

Model specifications

Input
text, image, file
Output
text
Context
1,050,000 tokens
Max output
128,000 tokens
Input price
$30 / 1M tokens
Output price
80 / 1M tokens
Released
2026-04-25

Capabilities

  • Streaming
  • Function calling
  • Vision
  • JSON mode
  • Playground

Provider pricing, discounts and data privacy

Compare effective provider prices, published discounts, regions, retention policies, training use, compliance, and privacy links by service tier.

Standard service tier

1 available provider · tier input average $30 / 1M tokens · tier output average 80 / 1M tokens

OpenAI

Tier: Standard · Region: US

Pricing
Input
$30 / 1M tokens
Output
80 / 1M tokens

No provider discount is currently published.

Data privacy and compliance
Region
US
Zero data retention
Yes
Data retention
Zero retention
Used for training
No
Data collection
Moderated
No
GDPR compliant
Yes
HIPAA compliant
Yes
SOC 2 certified
Yes
BYOK supported
Yes

Privacy policy · Terms · Official website · Documentation · Status

Frequently asked questions

What is OpenAI: GPT-5.5 Pro?
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 text and image inputs, and is designed for long-horizon problem solving, agentic coding, and precise execution across multi-step workflows.
How much does OpenAI: GPT-5.5 Pro cost?
Input costs start at $30 / 1M tokens and output costs start at 80 / 1M tokens. Provider-level prices vary by service tier.
What is the context length of OpenAI: GPT-5.5 Pro?
OpenAI: GPT-5.5 Pro supports a 1,050,000 token context window and up to 128,000 output tokens.
What capabilities does OpenAI: GPT-5.5 Pro support?
OpenAI: GPT-5.5 Pro supports Streaming, Function calling, Vision, JSON mode, Playground.
Which providers offer OpenAI: GPT-5.5 Pro?
OpenAI: GPT-5.5 Pro is available from OpenAI.
How do providers handle data privacy for OpenAI: GPT-5.5 Pro?
1 of 1 providers report that customer data is not used for training, and 1 offer zero-data-retention routing. Retention, compliance, and privacy-policy links are listed per provider.

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