Mercury 2 is cheaper than GPT-5.4 at $0.25/M vs $2.5/M input tokens.
| Spec | GPT-5.4 | Mercury 2 |
|---|---|---|
| Input price | $2.5/M tokens | $0.25/M tokens |
| Output price | $15/M tokens | $0.75/M tokens |
| Context window | 1.1M tokens | 128K tokens |
| Released | Mar 2026 | Mar 2026 |
Not enough votes to call it. On the specs, GPT-5.4 has the edge: bigger model tier, bigger context window, major provider backing.
Mercury 2 costs 20x less per token.
Mercury 2 is cheaper on both — 10× input, 20× output
Mercury 2 uses 8.2x more emoji
Mercury 2 is cheaper than GPT-5.4 at $0.25/M vs $2.5/M input tokens.
| Spec | GPT-5.4 | Mercury 2 |
|---|---|---|
| Input price | $2.5/M tokens | $0.25/M tokens |
| Output price | $15/M tokens | $0.75/M tokens |
| Context window | 1.1M tokens | 128K tokens |
| Released | Mar 2026 | Mar 2026 |
Not enough votes to call it. On the specs, GPT-5.4 has the edge: bigger model tier, bigger context window, major provider backing.
Mercury 2 costs 20x less per token.
Mercury 2 is cheaper on both — 10× input, 20× output
Mercury 2 uses 8.2x more emoji