o3 Mini is cheaper than GPT-5.3 Chat at $1.1/M vs $1.75/M input tokens.
| Spec | GPT-5.3 Chat | o3 Mini |
|---|---|---|
| Input price | $1.75/M tokens | $1.1/M tokens |
| Output price | $14/M tokens | $4.4/M tokens |
| Context window | 128K tokens | 64K tokens |
| Released | Mar 2026 | Dec 2024 |
Not enough votes to call it. On the specs, GPT-5.3 Chat has the edge: bigger model tier, newer, bigger context window.
o3 Mini costs 3.2x less per token.
o3 Mini is cheaper on both — 1.6× input, 3.2× output
o3 Mini uses 46.7x more headings
o3 Mini is cheaper than GPT-5.3 Chat at $1.1/M vs $1.75/M input tokens.
| Spec | GPT-5.3 Chat | o3 Mini |
|---|---|---|
| Input price | $1.75/M tokens | $1.1/M tokens |
| Output price | $14/M tokens | $4.4/M tokens |
| Context window | 128K tokens | 64K tokens |
| Released | Mar 2026 | Dec 2024 |
Not enough votes to call it. On the specs, GPT-5.3 Chat has the edge: bigger model tier, newer, bigger context window.
o3 Mini costs 3.2x less per token.
o3 Mini is cheaper on both — 1.6× input, 3.2× output
o3 Mini uses 46.7x more headings