Head-to-head · 6 models compared
ChatGPT vs Gemini
OpenAI and Google between them account for 6 rated models on the OpenRating Index. ChatGPT's strongest entry is GPT-5.6 Sol (max) at 61.2, against Gemini's Gemini 3.7 Flash (high) at 56.2. Both are scored on the same axes, with the same tests, below.
Who wins on each axis
ChatGPT takes 2 of 3 axes, Gemini takes 1.
OpenRating Index
ChatGPT
61.2
ChatGPT: GPT-5.6 Sol (max) · composite 0–100
Output speed
Gemini
392 tok/s
Gemini: Gemini 3.7 Flash (high) · blended tok/s, fastest model
Cost / task
ChatGPT
$0.048
ChatGPT: GPT-5.6 Luna (max) · lowest model, per benchmark run
Every rated model, side by side
Sorted by OpenRating Index. Every figure is measured under the same standardised workload.
| Model | Provider | Index | Reasoning | Speed | Cost / task | Input / 1M |
|---|---|---|---|---|---|---|
| GPT-5.6 Sol (max) | ChatGPT | 61.2 | 85.0 | 70 tok/s | $1.23 | $2.2 |
| GPT-5.6 Terra (max) | ChatGPT | 56.4 | 76.8 | 86 tok/s | $0.51 | $0.6 |
| Gemini 3.7 Flash (high) | Gemini | 56.2 | 75.8 | 392 tok/s | $0.40 | $0.3 |
| GPT-5.6 Luna (max) | ChatGPT | 52.5 | 70.8 | 149 tok/s | $0.048 | $0.08 |
| gpt-oss-120b (high) | ChatGPT | 44.5 | 61.8 | 164 tok/s | $0.073 | $0.06 |
| Gemini 3.5 Flash-Lite | Gemini | 37.6 | 54.5 | 313 tok/s | $0.096 | $0.05 |
Put ChatGPT and Gemini head to head yourself
Pick any combination of models and compare their full cost breakdown — reasoning, answer generation, cache overhead, and input payload — in the OpenRating comparison tool.
Open the comparison tool →