GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
46 providers
Model catalog
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding,...
31 providers
GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...
27 providers
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| OpenAI: GPT-5.5openai/gpt-5.5 | OpenAI |
75.3 | 1.05M | $5 | $30 | 2026-04-23 | ||
| OpenAI: GPT-5.4 Miniopenai/gpt-5.4-mini | OpenAI |
57.7 | 400K | $0.75 | $4.5 | 2026-03-17 | ||
| OpenAI: GPT-5.4 Nanoopenai/gpt-5.4-nano | OpenAI |
56.1 | 400K | $0.2 | $1.25 | 2026-03-17 |