GLM 5.1 is cheaper than Claude Sonnet 5 at $1.4/M vs $2/M input tokens.
| Spec | Claude Sonnet 5 | GLM 5.1 |
|---|---|---|
| Input price | $2/M tokens | $1.4/M tokens |
| Output price | $10/M tokens | $4.4/M tokens |
| Context window | 1.0M tokens | 203K tokens |
| Released | Jun 2026 | Apr 2026 |
Not enough votes to call it. On the specs, Claude Sonnet 5 has the edge: newer, bigger context window, major provider backing.
GLM 5.1 is cheaper on both — 1.4× input, 2.3× output
Claude Sonnet 5 uses 79.4x more emoji
GLM 5.1 is cheaper than Claude Sonnet 5 at $1.4/M vs $2/M input tokens.
| Spec | Claude Sonnet 5 | GLM 5.1 |
|---|---|---|
| Input price | $2/M tokens | $1.4/M tokens |
| Output price | $10/M tokens | $4.4/M tokens |
| Context window | 1.0M tokens | 203K tokens |
| Released | Jun 2026 | Apr 2026 |
Not enough votes to call it. On the specs, Claude Sonnet 5 has the edge: newer, bigger context window, major provider backing.
GLM 5.1 is cheaper on both — 1.4× input, 2.3× output
Claude Sonnet 5 uses 79.4x more emoji