Mercury 2 is cheaper than Claude Sonnet 5 at $0.25/M vs $2/M input tokens.
| Spec | Claude Sonnet 5 | Mercury 2 |
|---|---|---|
| Input price | $2/M tokens | $0.25/M tokens |
| Output price | $10/M tokens | $0.75/M tokens |
| Context window | 1.0M tokens | 128K tokens |
| Released | Jun 2026 | Mar 2026 |
Not enough votes to call it. On the specs, Claude Sonnet 5 has the edge: bigger model tier, newer, bigger context window, major provider backing.
Mercury 2 costs 13x less per token.
Mercury 2 is cheaper on both — 8.0× input, 13× output
Claude Sonnet 5 uses 9.7x more emoji
Mercury 2 is cheaper than Claude Sonnet 5 at $0.25/M vs $2/M input tokens.
| Spec | Claude Sonnet 5 | Mercury 2 |
|---|---|---|
| Input price | $2/M tokens | $0.25/M tokens |
| Output price | $10/M tokens | $0.75/M tokens |
| Context window | 1.0M tokens | 128K tokens |
| Released | Jun 2026 | Mar 2026 |
Not enough votes to call it. On the specs, Claude Sonnet 5 has the edge: bigger model tier, newer, bigger context window, major provider backing.
Mercury 2 costs 13x less per token.
Mercury 2 is cheaper on both — 8.0× input, 13× output
Claude Sonnet 5 uses 9.7x more emoji