Mercury 2 is cheaper than GPT-5.1-Codex-Mini at $0.25/M vs $1.5/M input tokens.
| Spec | GPT-5.1-Codex-Mini | Mercury 2 |
|---|---|---|
| Input price | $1.5/M tokens | $0.25/M tokens |
| Output price | $6/M tokens | $0.75/M tokens |
| Context window | 400K tokens | 128K tokens |
| Released | Nov 2025 | Mar 2026 |
Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: bigger model tier, bigger context window, major provider backing.
Mercury 2 costs 8.0x less per token.
Mercury 2 is cheaper on both — 6.0× input, 8.0× output
Mercury 2 uses 8.2x more emoji
Mercury 2 is cheaper than GPT-5.1-Codex-Mini at $0.25/M vs $1.5/M input tokens.
| Spec | GPT-5.1-Codex-Mini | Mercury 2 |
|---|---|---|
| Input price | $1.5/M tokens | $0.25/M tokens |
| Output price | $6/M tokens | $0.75/M tokens |
| Context window | 400K tokens | 128K tokens |
| Released | Nov 2025 | Mar 2026 |
Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: bigger model tier, bigger context window, major provider backing.
Mercury 2 costs 8.0x less per token.
Mercury 2 is cheaper on both — 6.0× input, 8.0× output
Mercury 2 uses 8.2x more emoji