GPT-5.5 (medium)
Analysis Summary
GPT-5.5 (medium) sits in the Frontier tier on our leaderboard, ranked #9 of 556 published models on overall intelligence. At $5.00 input and $30.00 output per 1M tokens, it is among the most expensive on the market.
Editorial notes
GPT-5.5 medium from OpenAI sits at the frontier with a 56.7 intelligence index, 56.2 coding index, and 74.7 agentic index, delivering world-class reasoning, coding, and agentic reliability at $5/$30 pricing.
Assessed May 14, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does GPT-5.5 (medium) stack up?
Compare side-by-side with other frontier models.
Model Information
| Provider | OpenAI |
| Release Date | April 23, 2026 |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $5.00 | $0.005000 |
| Output | $30.00 | $0.030000 |
