Claude Sonnet 4.5 is the newer model, released after Cypher Alpha (free).
| Spec | Claude Sonnet 4.5 | Cypher Alpha (free) |
|---|---|---|
| Input price | $3/M tokens | — |
| Output price | $15/M tokens | — |
| Context window | 200K tokens | — |
| Released | Sep 2025 | Jul 2025 |
Not enough votes to call it. On the specs, Claude Sonnet 4.5 has the edge: newer, bigger context window, major provider backing.
Claude Sonnet 4.5 uses 45.2x more emoji
Claude Sonnet 4.5 is the newer model, released after Cypher Alpha (free).
| Spec | Claude Sonnet 4.5 | Cypher Alpha (free) |
|---|---|---|
| Input price | $3/M tokens | — |
| Output price | $15/M tokens | — |
| Context window | 200K tokens | — |
| Released | Sep 2025 | Jul 2025 |
Not enough votes to call it. On the specs, Claude Sonnet 4.5 has the edge: newer, bigger context window, major provider backing.
Claude Sonnet 4.5 uses 45.2x more emoji