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Gemini 3.1 Pro Preview Custom Tools vs GPT-5.2
List-price comparison · Gemini 3.1 Pro Preview Custom Tools details · GPT-5.2 details
For a typical workload (100,000 requests / mo), Gemini 3.1 Pro Preview Custom Tools costs 6% less — $720.00/mo vs $770.00/mo.
| Gemini 3.1 Pro Preview Custom Tools | GPT-5.2 | |
|---|---|---|
| Input / 1M tokens | $2.00 | $1.75 |
| Output / 1M tokens | $12.00 | $14.00 |
| Typical request (1,200 in + 400 out) | $0.0072 | $0.0077 |
| Context window | 1,048,756 tokens | 400k tokens |
| Max output | 65,536 tokens | 128k tokens |
| Tier | Flagship | Flagship |
| Provider | OpenAI |
Projected monthly cost
1,000 requests / month$7.20 vs $7.7010,000 requests / month$72.00 vs $77.00100,000 requests / month$720.00 vs $770.00
Rows open both models in the calculator — adjust volume and token counts there.
More comparisons
Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.