Google Gemini Pro vs GPT-5.3-Codex
Google vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •GPT-5.3-Codex is cheaper ($1.75 vs $2.00 per 1M input)
- •Google Gemini Pro has a larger context window (1M)
| Google Gemini Pro | GPT-5.3-Codex | |
|---|---|---|
| Intelligence index | — | 91.5 |
| Developer | OpenAI | |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 1,048,576 tokens | 400,000 tokens |
| Input price | $2.00 / 1M | $1.75 / 1M |
| Output price | $12.00 / 1M | $14.00 / 1M |
| Speed | — | 73 tok/s |
| Released | April 27, 2026 | February 24, 2026 |
| Parameters | — | — |
| Input modalities | Audio, Image, Text, Video | Text, Image |
| Output modalities | Text | Text |