Amazon: Nova Premier 1.0 vs OpenAI: GPT-5.5
Side-by-side comparison — pricing, context window, capabilities, and live leaderboard data.
Key differences
- Amazon: Nova Premier 1.0 is 50% cheaper per 1K input tokens than OpenAI: GPT-5.5 ($0.0025 vs $0.0050).
- Amazon: Nova Premier 1.0 is built by Amazon; OpenAI: GPT-5.5 is built by OpenAI.
Specifications
| Amazon: Nova Premier 1.0 | OpenAI: GPT-5.5 | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Context window | 1000K | 1050K |
| Max output tokens | 8192 | 8192 |
| Input price / 1K tokens | $0.0025 | $0.0050 |
| Output price / 1K tokens | $0.0125 | $0.0300 |
| Vision support | Yes | Yes |
| Function calling | No | No |
| License | Proprietary | Proprietary |
About Amazon: Nova Premier 1.0
US·ClosedAmazon Nova Premier is the most capable of Amazon’s multimodal models for complex reasoning tasks and for use as the best teacher for distilling custom models.
View Amazon: Nova Premier 1.0 reliability and benchmark history →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 →Try them yourself
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