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Openai

OpenAI: GPT-5.5

Openai

WhatModel Score84StrongCompare
Input / M
Routed + Vendor
Output / M
Context
Max Output
128K
Usage
#26 · 0.62%
Quality
86.1 / 100
Providers
3
Best Uptime 30m
99.86%
Latency (p50)
164 ms
Throughput
66.0 tok/s
Released
April 24, 2026
Modalities
file, image, text
Vendor-direct listin $5.00 · out $30.00Vendor list price (AWS Bedrock / Google Vertex / Azure / OpenAI-direct). No live telemetry.Markup 0.0%

About

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.

Capabilities

Vision
Tools
Reasoning
Streaming
JSON Mode

Host offerings · 3

Per-host pricing, uptime, latency, throughput
spread 60%
HostInput/MOutput/MContextUptime
Azure
Azure | openai/gpt-5.5-20260423
$5.00$30.001.1M99.9%
OpenAICheapest
OpenAI | openai/gpt-5.5-20260423
$2.50$15.001.1M96.4%
Amazon Bedrock
Amazon Bedrock | openai/gpt-5.5-20260423
$5.50$33.001.1M—

Benchmarks

Quality index 86.1 / 100
Design Arena
elo models gamedev
1339.0
elo models asciiart
1287.0
elo models uicomponent
1285.0
elo models codecategories
1279.0
elo models dataviz
1278.0
elo models website
1268.0
elo models svg
1268.0
elo models 3d
1248.0
Artificial Analysis
intelligence index
56.3 / 100
coding index
74.9 / 100
agentic index
47.4 / 100

Performance History

200 snapshots

Price History

Last 7 days · 0 changes
No creator-price changes in the last 7 days.
Free shows the last 7 days. Full history is a Pro feature.Get Pro

Usage (OpenRouter)

Rank #26 of the market
0.62% share

Activity Timeline

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Versus

Nearest peers by price, context, and capabilities. One click to compare.
No comparable models found.

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Markdown
[![OpenAI: GPT-5.5 WM Score](https://whatmodel.app/api/public/embed/score/fdcedbf5-fd23-4229-a0d4-230134f1a3a6)](https://whatmodel.app/models/fdcedbf5-fd23-4229-a0d4-230134f1a3a6)
HTML
<a href="https://whatmodel.app/models/fdcedbf5-fd23-4229-a0d4-230134f1a3a6"><img src="https://whatmodel.app/api/public/embed/score/fdcedbf5-fd23-4229-a0d4-230134f1a3a6" alt="OpenAI: GPT-5.5 WM Score" height="26" /></a>
Image URL
https://whatmodel.app/api/public/embed/score/fdcedbf5-fd23-4229-a0d4-230134f1a3a6
First seen 43d ago · Last verified 5m ago