Hy4 Preview is cheaper than GPT-4.5 at $0.834/M vs $75/M input tokens.
| Spec | GPT-4.5 | Hy4 Preview |
|---|---|---|
| Input price | $75/M tokens | $0.834/M tokens |
| Output price | $150/M tokens | $2.501/M tokens |
| Context window | 128K tokens | 1.0M tokens |
| Released | Feb 2025 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Hy4 Preview costs 60x less per token.
Hy4 Preview is cheaper on both — 90× input, 60× output
Hy4 Preview uses 40.1x more emoji
Hy4 Preview is cheaper than GPT-4.5 at $0.834/M vs $75/M input tokens.
| Spec | GPT-4.5 | Hy4 Preview |
|---|---|---|
| Input price | $75/M tokens | $0.834/M tokens |
| Output price | $150/M tokens | $2.501/M tokens |
| Context window | 128K tokens | 1.0M tokens |
| Released | Feb 2025 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Hy4 Preview costs 60x less per token.
Hy4 Preview is cheaper on both — 90× input, 60× output
Hy4 Preview uses 40.1x more emoji