GPT-5.1 has a larger context window than GPT-1 (400K tokens vs 1K tokens).
| Spec | GPT-5.1 | GPT-1 |
|---|---|---|
| Input price | $1.25/M tokens | — |
| Output price | $10/M tokens | — |
| Context window | 400K tokens | 1K tokens |
| Released | Nov 2025 | Jun 2018 |
Not enough votes to call it. On the specs, GPT-5.1 has the edge: bigger model tier, newer, bigger context window.
GPT-5.1 uses 349.6x more bold
GPT-5.1 has a larger context window than GPT-1 (400K tokens vs 1K tokens).
| Spec | GPT-5.1 | GPT-1 |
|---|---|---|
| Input price | $1.25/M tokens | — |
| Output price | $10/M tokens | — |
| Context window | 400K tokens | 1K tokens |
| Released | Nov 2025 | Jun 2018 |
Not enough votes to call it. On the specs, GPT-5.1 has the edge: bigger model tier, newer, bigger context window.
GPT-5.1 uses 349.6x more bold