GPT-5 Pro has a larger context window than GPT-1 (400K tokens vs 1K tokens).
| Spec | GPT-5 Pro | GPT-1 |
|---|---|---|
| Input price | $15/M tokens | — |
| Output price | $120/M tokens | — |
| Context window | 400K tokens | 1K tokens |
| Released | Oct 2025 | Jun 2018 |
Not enough votes to call it. On the specs, GPT-5 Pro has the edge: bigger model tier, newer, bigger context window.
GPT-5 Pro takes Image Generation.
GPT-1 uses 40.9x more transitions
GPT-5 Pro has a larger context window than GPT-1 (400K tokens vs 1K tokens).
| Spec | GPT-5 Pro | GPT-1 |
|---|---|---|
| Input price | $15/M tokens | — |
| Output price | $120/M tokens | — |
| Context window | 400K tokens | 1K tokens |
| Released | Oct 2025 | Jun 2018 |
Not enough votes to call it. On the specs, GPT-5 Pro has the edge: bigger model tier, newer, bigger context window.
GPT-5 Pro takes Image Generation.
GPT-1 uses 40.9x more transitions