OpenAI: GPT-5.5 vs OpenAI: GPT-5.5 Pro
Side-by-side comparison — pricing, context window, capabilities, and live leaderboard data.
Key differences
- OpenAI: GPT-5.5 is 83% cheaper per 1K input tokens than OpenAI: GPT-5.5 Pro ($0.0050 vs $0.0300).
Specifications
| OpenAI: GPT-5.5 | OpenAI: GPT-5.5 Pro | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Context window | 1050K | 1050K |
| Max output tokens | 8192 | 8192 |
| Input price / 1K tokens | $0.0050 | $0.0300 |
| Output price / 1K tokens | $0.0300 | $0.1800 |
| Vision support | Yes | Yes |
| Function calling | No | No |
| License | Proprietary | Proprietary |
About OpenAI: GPT-5.5
US·ClosedGPT-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...
View OpenAI: GPT-5.5 reliability and benchmark history →About OpenAI: GPT-5.5 Pro
US·ClosedGPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...
View OpenAI: GPT-5.5 Pro reliability and benchmark history →Try them yourself
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