GPT-5.5 (High) by OpenAI

GPT-5.5 (High) by OpenAI is listed on Arena.ai’s Text Arena. As of 12 November 2026 it holds #28 of 421 models.

Where it stands

Platform: Arena.ai — Text Arena. Position: #28.

• Arena score: 1481±4
• Votes: 68 294
• Price per 1M tokens (input/output): $5 / $30
• Context: 1.1M

What it is

• Developer: OpenAI
• Licence: Proprietary
• Arena: Text Arena
• Model page: primary source

How to read the figures

The Arena score comes from pairwise chat comparisons, not a guarantee for your own task. Rankings, prices and context windows change; check the primary source before deciding.

Sources

1. Arena.ai, Text Arena leaderboard, 12 November 2026 — leaderboard
2. Model primary source — link

Prepared by the Listing AI desk from Arena.ai’s public leaderboard. It describes ranking data; it is not an independent review or test.