Which is cheaper for input tokens: Perplexity: Sonar Deep Research or Google: Gemini 3.1 Pro Preview Custom Tools?
Perplexity: Sonar Deep Research is cheaper or equal on input token cost by $0.00 per 1M tokens.
Head-to-Head Pricing Benchmark
Perplexity: Sonar Deep Research vs Google: Gemini 3.1 Pro Preview Custom Tools
Side-by-side pricing and context window comparison for production model selection.
Input delta: $0.00Output delta: $4.00Monthly delta: $240
Default Recommendation (120M input + 60M output)
Perplexity: Sonar 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 | Perplexity: Sonar Deep Research | Google: Gemini 3.1 Pro Preview Custom Tools |
|---|---|---|
| Developer | perplexity | |
| Context Window | 128,000 | 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 | ❌ No | ✅ Yes |
| Tool Calling | ❌ No | ✅ Yes |
| Structured Output | ❌ No | ✅ Yes |
| Reasoning | ✅ Yes | ✅ Yes |
| MMLU Score | N/A | N/A |
Price History
Perplexity: Sonar Deep Research Pricing Trend
Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7 — Mar 11
Current Input / 1M
$2.00
Current Output / 1M
$8.00
Price History
Google: Gemini 3.1 Pro Preview Custom Tools Pricing Trend
Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7 — Mar 11
Current Input / 1M
$2.00
Current Output / 1M
$12.00
Cost Calculator
Adjust your workload to see projected monthly costs.
01.0B
0500M
Perplexity: Sonar Deep Research
$720
per month
Lower costGoogle: Gemini 3.1 Pro Preview Custom Tools
$960
per month
Live Recommendation
Perplexity: Sonar Deep Research is lower-cost at 120M input + 60M output tokens/month.
Perplexity: Sonar Deep Research saves $240/mo at this workload
Compare More Alternatives
Continue evaluation with more “A vs B pricing” decision pages.
Quick Compare
Compare Any Two Models
Select two models to see a head-to-head pricing breakdown.
vs
FAQ
Common questions for Perplexity: Sonar Deep Research vs Google: Gemini 3.1 Pro Preview Custom Tools pricing decisions.
Which is cheaper for output tokens: Perplexity: Sonar Deep Research or Google: Gemini 3.1 Pro Preview Custom Tools?
Perplexity: Sonar Deep Research is cheaper or equal on output token cost by $4.00 per 1M tokens.
What is the projected monthly cost difference between Perplexity: Sonar Deep Research and Google: Gemini 3.1 Pro Preview Custom Tools?
$240 difference for the default scenario (120M input + 60M output tokens/month).
How should I choose between Perplexity: Sonar Deep Research and Google: Gemini 3.1 Pro Preview Custom Tools?
Use this page to compare context window and token pricing, then open each model page to evaluate additional alternatives and monthly workload fit.