GPT-5.5 Pro

Name: GPT-5.5 Pro
Price: 30 USD
Author: OpenAI

GPTv5.5 ProCurrent

OpenAI(ai lab)

Released April 23, 2026

API Docs Playground

OpenTools Scorenormalized /100

0.9

Valuescore / $M

OpenTools Score

Context1.1M tokens

Price (In / Out)$30.00/M / $180.00/M

Training CutoffDecember 2025

CategoryMultimodal LLM

Max Output128K tokens

About GPT-5.5 Pro

GPT-5.5 Pro uses more compute to think harder and provide consistently better answers than GPT-5.5. Designed for the toughest problems, some requests may take several minutes. It excels at FrontierMath Tier 4 (39.6%) and BrowseComp (90.1%), offering the highest intelligence available from OpenAI at a premium price point.

Capabilities

textvisioncodetool useextended thinkingweb search

Input Modalities

textimagefile

Output Modalities

text

Technical Details

API Identifier: openai/gpt-5.5-pro
Category: Multimodal LLM
Context Window: 1,050,000 tokens
Max Output Tokens: 128,000 tokens

Benchmarks

Performance scores for GPT-5.5 Pro across standard benchmarks.

FrontierMath Tier 4OpenAI · Apr 2026

39.6%

FrontierMath Tier 1-3OpenAI · Apr 2026

52.4%

HLE (with tools)OpenAI · Apr 2026

57.2%

HLE (no tools)OpenAI · Apr 2026

43.1%

BrowseCompOpenAI · Apr 2026

90.1%

GeneBenchOpenAI · Apr 2026

33.2%

GDPvalOpenAI · Apr 2026

82.3%

Investment Banking ModelingOpenAI · Apr 2026

88.6%

Pricing

Token pricing for GPT-5.5 Pro API usage.

Input Tokens

$30.00/M

per million tokens

Output Tokens

$180.00/M

per million tokens

Pricing Calculator

Input tokens/month

Output tokens/month

Input cost$30.00

Output cost$90.00

Estimated monthly cost$120.00

No cached input discount. Long context (>272K tokens): 2x input, 1.5x output. Batch API: 50% discount. Regional processing: 10% uplift.

Competing Models

Same pricing tier — direct alternatives to GPT-5.5 Pro

specialty

Qwen3-VL alibaba

129

$0.20/M / $0.60/MCompare

GPT-5.4 Nano openai

$0.20/M / $1.25/MCompare

Qwen3.6 Plus alibaba

59.5

$0.33/M / $1.95/MCompare

Gemma 4 26B A4B google

-- / --Compare

Mistral Small 4 mistral

55.2

$0.15/M / $0.60/MCompare

Claude Opus 4.7 anthropic

4.3

$5.00/M / $25.00/MCompare

Llama Guard 4 12B meta

$0.18/M / $0.18/MCompare

Grok 4.20 Multi-Agent xai

$2.00/M / $6.00/MCompare

Nova 2 Lite amazon

$0.30/M / $2.50/MCompare

Sonar Pro Search perplexity

3.3

$3.00/M / $15.00/MCompare

Seed-2.0-Lite bytedance

$0.25/M / $2.00/MCompare

Kimi K2.5 moonshot-ai

45.5

$0.38/M / $1.72/MCompare

MiMo-V2-Omni xiaomi

$0.40/M / $2.00/MCompare

Reka Edge reka

$0.10/M / $0.10/MCompare

GPT-5.4 Mini openai

14.6

$0.75/M / $4.50/MCompare

Qwen3.5-9B alibaba

303

$0.10/M / $0.15/MCompare

Gemma 4 26B A4B google

$0.08/M / $0.35/MCompare

Llama 4 Maverick meta

98.9

$0.15/M / $0.60/MCompare

GLM 5V Turbo z-ai

$1.20/M / $4.00/MCompare

Grok 4.20 xai

17.4

$2.00/M / $6.00/MCompare

Nova Premier 1.0 amazon

$2.50/M / $12.50/MCompare

Sonar Reasoning Pro perplexity

11.5

$2.00/M / $8.00/MCompare

Seed-2.0-Mini bytedance

$0.10/M / $0.40/MCompare

GPT-5.4 Pro openai

0.7

$30.00/M / $180.00/MCompare

Qwen3.5-35B-A3B alibaba

75.8

$0.16/M / $1.30/MCompare

Gemma 4 31B google

-- / --Compare

Claude Sonnet 4.6 anthropic

4.7

$3.00/M / $15.00/MCompare

Llama 4 Scout meta

72.1

$0.08/M / $0.30/MCompare

Grok 4.1 Fast xai

$0.20/M / $0.50/MCompare

Nova Lite 1.0 amazon

$0.06/M / $0.24/MCompare

Sonar Pro perplexity

2.3

$3.00/M / $15.00/MCompare

ERNIE 4.5 VL 28B A3B baidu

$0.14/M / $0.56/MCompare

Seed 1.6 Flash bytedance

$0.07/M / $0.30/MCompare

GPT-5.4 openai

7.8

$2.50/M / $15.00/MCompare

Qwen3.5-27B alibaba

47.5

$0.20/M / $1.56/MCompare

Gemma 4 31B google

169

$0.13/M / $0.38/MCompare

Ministral 3 14B 2512 mistral

$0.20/M / $0.20/MCompare

Claude Opus 4.6 anthropic

3.7

$5.00/M / $25.00/MCompare

Grok 4 Fast xai

$0.20/M / $0.50/MCompare

Spotlight arcee-ai

$0.18/M / $0.18/MCompare

ERNIE 4.5 VL 424B A47B baidu

$0.42/M / $1.25/MCompare

Seed 1.6 bytedance

$0.25/M / $2.00/MCompare

GPT-5.5 openai

5.0

$5.00/M / $30.00/MCompare

OpenAIai lab

Creating safe AGI that benefits all of humanity

426 Tools6 ModelsFounded 2015San Francisco, CA

View full profile

426 Tools·6 Models

Tools by OpenAI

Other AI tools from the same organization.

chatgpt

Conversational AI

Unleash ChatGPT: AI's Next Step in Conversational Excellence.

ChatGPT for YouTube

Summarization

Instant YouTube Video Summaries with ChatGPT for YouTube

ChatGPT for Amazon

E-commerce

Boost Your Amazon Sales with VOC AI's ChatGPT Amazon Tool

SecureGPT

Security

Build and Secure Your ChatGPT Plugins with SecureGPT by Escape

CrestGPT

Gaming

Revolutionize Your Gaming with AI-Driven Personal Gaming Assistants

YourGPT

No-Code

Effortlessly Build Powerful AI Chatbots with YourGPT

View all tools

AI Models by OpenAI

Large language models from the same organization.

Model	Context Window	Price (In / Out per M)	Capabilities
GPT-5.5Current	1.1M	$5.00 / $30.00	textvisioncodetool use+3
GPT-5.4 NanoCurrent	400K	$0.20 / $1.25	textvisioncode
GPT-5.4 MiniCurrent	400K	$0.75 / $4.50	textvisioncode
GPT-5.4 ProCurrent	1.1M	$30.00 / $180.00	textvisioncode
GPT-5.4Current	1.1M	$2.50 / $15.00	textvisioncode