GPT-5.5 (low)
Analysis Summary
GPT-5.5 (low) sits in the Professional tier on our leaderboard, ranked #18 of 523 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 Low from OpenAI sits at the frontier threshold with strong coding and reasoning scores, delivering reliable performance for agentic and coding workflows; premium pricing applies across the GPT-5.5 family.
Assessed April 24, 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
This model was released recently. Independent benchmark evaluations are typically completed within days of release — these figures are preliminary and are likely to be updated as testing is finalised.
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does GPT-5.5 (low) stack up?
Compare side-by-side with other professional 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 |
Explore Related Models
Data sourced from OpenRouter API, Artificial Analysis and Hugging Face Open LLM Leaderboard. Scores are editorially curated by our team.
Last updated: April 25, 2026 11:56 am