Head-to-Head Pricing Benchmark
OpenAI: o4 Mini Deep Research vs Google: Gemini 3.1 Pro Preview Custom Tools
Side-by-side pricing and context window comparison for production model selection.
Default Recommendation (120M input + 60M output)
OpenAI: o4 Mini Deep Research is lower-cost for the default monthly workload scenario.
Adjust the workload in the calculator below to see a live recommendation for your usage.
| Metric | OpenAI: o4 Mini Deep Research | Google: Gemini 3.1 Pro Preview Custom Tools |
|---|---|---|
| Developer | openai | |
| Context Window | 200,000 | 1,048,576 |
| Input Cost / 1M Tokens | $2.00 | $2.00 |
| Output Cost / 1M Tokens | $8.00 | $12.00 |
| Projected Monthly Cost | $720 | $960 |
| Vision | ✅ Yes | ✅ Yes |
| Tool Calling | ✅ Yes | ✅ Yes |
| Structured Output | ✅ Yes | ✅ Yes |
| Reasoning | ✅ Yes | ✅ Yes |
| Web Search | ❌ No | ❌ No |
| MMLU Score | N/A | N/A |
Price History
OpenAI: o4 Mini Deep Research Pricing Trend
Current Input / 1M
$2.00
Current Output / 1M
$8.00
Price History
Google: Gemini 3.1 Pro Preview Custom Tools Pricing Trend
Current Input / 1M
$2.00
Current Output / 1M
$12.00
Cost Calculator
Adjust your workload to see projected monthly costs.
OpenAI: o4 Mini Deep Research
$720
per month
Lower costGoogle: Gemini 3.1 Pro Preview Custom Tools
$960
per month
Live Recommendation
OpenAI: o4 Mini Deep Research is lower-cost at 120M input + 60M output tokens/month.
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