OpenAI • Listed April 2026 • Reasoning

GPT-5.5 Pro

Proprietary model from OpenAI, listed April 2026. $30.00 input / $180.00 output per 1M tokens. 1.05M tokens context.

Parameters
Not disclosed
Context Window
1.05M tokens
Input / 1M tokens
$30.00
Output / 1M tokens
$180.00

Benchmark Results

  • No public leaderboard result in our sources yet.

Sources

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