Trinity Large Preview is cheaper than OpenAI o3 at $0/M vs $10/M input tokens.
| Spec | OpenAI o3 | Trinity Large Preview |
|---|---|---|
| Input price | $10/M tokens | Free |
| Output price | $40/M tokens | Free |
| Context window | — | 131K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Apr 2025 | Jan 2025 |
Not enough votes to call it. On the specs, OpenAI o3 has the edge: newer, major provider backing.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
OpenAI o3 uses 31.9x more headings