GPT-5.5 Pro by LLM Gateway | AI model information

Loading models

Subscribe

Follow catalog updates and new guides

Open RSS feed Medium guides

RSS covers catalog changes. Medium covers how-to guides and write-ups.

GPT-5.5 Pro by LLM Gateway | AI model information

$10 off Synthetic - fastest Kimi K2.6 and GLM 5.1$10 off Synthetic - the fastest Kimi K2.6 and GLM 5.1 provider Discuss

Model details

GPT-5.5 Pro

Loading model overview

LLM Gatewaygpt-5.5-progpt-pro

Open provider page Provider docs

Quick Info

Provider: LLM Gateway
Model key: gpt-5.5-pro
Release date: Apr 23, 2026
Last updated

Cost

Input token cost: $30.00
Output token cost: $180.00

Limits

Input tokens: 922,000 tokens

Latest news about GPT-5.5 Pro

No articles found yet

No recent articles were found for GPT-5.5 Pro. The fetch button will reappear after the 1-day cooldown ends.

Videos about GPT-5.5 Pro

More models around GPT-5.5 Pro

Also served by

This exact model name is also listed by 6 other providers.

OpenAI OpenCode Zen OpenRouter Poe Venice AI ZenMux

10 providers

Currently listed through these providers:

LLM Gateway 302.AI Azure Azure Cognitive Services DigitalOcean +5 more

10 providers

Currently listed through these providers:

LLM Gateway 302.AI Azure Azure Cognitive Services Jiekou.AI +5 more

7 providers

Currently listed through these providers:

LLM Gateway DigitalOcean Jiekou.AI NanoGPT OpenAI +2 more

1 provider

OpenAI: GPT-5 Pro

Currently listed through:

Discuss this model

Powered byHyvor Talk

Add corrections, implementation notes, pricing changes, or usage caveats for other readers.

Apr 23, 2026

Knowledge cutoff

2025-12-01

Input modalities

Output modalities

Capabilities

Output tokens

128,000 tokens

Context window

1,050,000 tokens