Gemini 3 Pro vs GPT-5
Google's flagship. Massive context, native multimodality. Meanwhile, gpt-5: openai's flagship. omni-modal, omni-purpose.
Side-by-side
Specs
| Dimension | Gemini 3 Pro | GPT-5 |
|---|---|---|
| Provider | Google | OpenAI |
| Released | 2026-01 | 2025-08 |
| Context window | ✓2M | 400K |
| Output max | 64K | ✓128K |
| Input /M | ✓$3.50 | $10.00 |
| Output /M | ✓$14.00 | $40.00 |
| Modalities | ✓text, image, audio, video | text, image, audio |
| Open weights | no | no |
Scorecard
Dimension-by-dimension
Gemini 3 Pro
GPT-5
reasoning
9.0
10.0
coding
8.0
9.0
writing
8.0
10.0
speed
7.0
6.0
value
8.0
6.0
Verdict
Which wins, by use case
| Use case | Winner | Why |
|---|---|---|
| coding | GPT-5 | a coin flip on our weighted coding score |
| writing | GPT-5 | a clear edge on our weighted writing score |
| chat | Gemini 3 Pro | a clear edge on our weighted chat score |
| agents | GPT-5 | a coin flip on our weighted agents score |
| summarization | Gemini 3 Pro | a clear edge on our weighted summarization score |
| translation | Gemini 3 Pro | a coin flip on our weighted translation score |
| reasoning | GPT-5 | a clear edge on our weighted reasoning score |
| research | GPT-5 | a coin flip on our weighted research score |
| vision and multimodal | Gemini 3 Pro | a coin flip on our weighted vision score |
| Cheapest AI models for bulk workloads | Gemini 3 Pro | a decisive lead on our weighted cheap-bulk score |
Bottom line
Our take
Pick Gemini 3 Pro if you need: largest practical context window, native video understanding.
Pick GPT-5 if you need: broadest modality coverage, strong at creative writing.
At a 500M-input / 150M-output monthly volume, Gemini 3 Pro costs roughly $3850 vs GPT-5 at $11000. Use our calculator to plug in your own numbers.
Keep browsing