GPT-5.1 Chat is cheaper than Mercury at $1.25/M vs $10/M input tokens.
| Spec | GPT-5.1 Chat | Mercury |
|---|---|---|
| Input price | $1.25/M tokens | $10/M tokens |
| Output price | $10/M tokens | $10/M tokens |
| Context window | 128K tokens | 32K tokens |
| Released | Nov 2025 | Jun 2025 |
Not enough votes to call it. On the specs, GPT-5.1 Chat has the edge: bigger model tier, newer, bigger context window, major provider backing.
Mercury uses 4.3x more emoji
GPT-5.1 Chat is cheaper than Mercury at $1.25/M vs $10/M input tokens.
| Spec | GPT-5.1 Chat | Mercury |
|---|---|---|
| Input price | $1.25/M tokens | $10/M tokens |
| Output price | $10/M tokens | $10/M tokens |
| Context window | 128K tokens | 32K tokens |
| Released | Nov 2025 | Jun 2025 |
Not enough votes to call it. On the specs, GPT-5.1 Chat has the edge: bigger model tier, newer, bigger context window, major provider backing.
Mercury uses 4.3x more emoji