OpenAI: GPT-4o vs Google: Gemini 2.5 Flash
Side-by-side comparison based on OpenRouter API data.
Key Differences
- •Google: Gemini 2.5 Flash is 8.3x cheaper than OpenAI: GPT-4o for input tokens
- •Google: Gemini 2.5 Flash has 8.2x more context than OpenAI: GPT-4o (1.0M vs 128K)
| Spec | OpenAI: GPT-4o | Google: Gemini 2.5 Flash |
|---|---|---|
| Provider | OpenAI | |
| Context Length | 128K | 1.0M |
| Max Output | 16K | 66K |
| Input Price/1M | $2.50 | $0.30 |
| Output Price/1M | $10 | $2.50 |
| Cache Read/1M | $1.25 | $0.03 |
| Cache Write/1M | Free | $0.08 |
| Input Modalities | Text + Image + File | File + Image + Text + Audio + Video |
| Output Modalities | Text | Text |
| Tokenizer | GPT | Gemini |
| Moderated | Yes | No |