Gemini 3.5 Flash is cheaper than ChatGPT-4o (March 2025) at $1.5/M vs $5/M input tokens.
| Spec | ChatGPT-4o (March 2025) | Gemini 3.5 Flash |
|---|---|---|
| Input price | $5/M tokens | $1.5/M tokens |
| Output price | $15/M tokens | $9/M tokens |
| Context window | 128K tokens | 1.0M tokens |
| Released | Mar 2025 | May 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Gemini 3.5 Flash is cheaper on both — 3.3× input, 1.7× output
ChatGPT-4o (March 2025) uses 94.5x more emoji
Gemini 3.5 Flash is cheaper than ChatGPT-4o (March 2025) at $1.5/M vs $5/M input tokens.
| Spec | ChatGPT-4o (March 2025) | Gemini 3.5 Flash |
|---|---|---|
| Input price | $5/M tokens | $1.5/M tokens |
| Output price | $15/M tokens | $9/M tokens |
| Context window | 128K tokens | 1.0M tokens |
| Released | Mar 2025 | May 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Gemini 3.5 Flash is cheaper on both — 3.3× input, 1.7× output
ChatGPT-4o (March 2025) uses 94.5x more emoji