Mercury 2.5 Preview is cheaper than GPT-5.2 Chat at $0.04/M vs $1.75/M input tokens.
| Spec | GPT-5.2 Chat | Mercury 2.5 Preview |
|---|---|---|
| Input price | $1.75/M tokens | $0.04/M tokens |
| Output price | $14/M tokens | $0.15/M tokens |
| Context window | 128K tokens | 260K tokens |
| Released | Dec 2025 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Mercury 2.5 Preview costs 93x less per token.
Mercury 2.5 Preview is cheaper on both — 44× input, 93× output
GPT-5.2 Chat uses 30.6x more emoji
Mercury 2.5 Preview is cheaper than GPT-5.2 Chat at $0.04/M vs $1.75/M input tokens.
| Spec | GPT-5.2 Chat | Mercury 2.5 Preview |
|---|---|---|
| Input price | $1.75/M tokens | $0.04/M tokens |
| Output price | $14/M tokens | $0.15/M tokens |
| Context window | 128K tokens | 260K tokens |
| Released | Dec 2025 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Mercury 2.5 Preview costs 93x less per token.
Mercury 2.5 Preview is cheaper on both — 44× input, 93× output
GPT-5.2 Chat uses 30.6x more emoji