GPT-5.5

by OpenAI · Released 2026-03 · 1M context

93
overall score

OpenAI's latest flagship model with strong computer use and autonomous task execution capabilities.

General purpose Computer use Autonomous agents
MultimodalAPI Available

API Pricing

Input$5.00/1M
Output$30.00/1M

Subscription

$20/month (ChatGPT Plus)

Free tier available

Context Window

1M

1,000,000 tokens

Benchmarks

Coding
94
Reasoning
96
Multimodal
97
Speed
82
Overall Score93/100

Pros

  • Best all-rounder
  • Strong at autonomous tasks
  • Large context window

Cons

  • Expensive API
  • Rate limits on free tier

Best For

General purposeComputer useAutonomous agents

Compare GPT-5.5 with...

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