← Compare models
Open all in the calculator — adjust volume and token counts →
Gemini 3.1 Pro vs Gemma 4 31B
List-price comparison ·Gemini 3.1 Pro details ·Gemma 4 31B details
For a typical workload (100,000 requests / mo), Gemma 4 31B is the cheapest — 96% less than the priciest here ($25.60/mo vs $720.00/mo).
| Gemini 3.1 Pro | Gemma 4 31B | |
|---|---|---|
| Input / 1M tokens | $2.00 | $0.100 |
| Output / 1M tokens | $12.00 | $0.340 |
| Typical request (1,200 in + 400 out) | $0.0072 | $0.0003 |
| Context window | 1,048,576 tokens | 262,144 tokens |
| Max output | 65,536 tokens | 262,144 tokens |
| Quality score | 93/100 | 81/100 |
| Tier | Flagship | Balanced |
| Provider |
Projected monthly cost
| Requests / mo | Gemini 3.1 Pro | Gemma 4 31B |
|---|---|---|
| 1,000 | $7.20 | $0.256 |
| 10,000 | $72.00 | $2.56 |
| 100,000 | $720.00 | $25.60 |
Gemini 3.1 Pro
Native audio, video, and document understanding with a ~1M token context window — strong fit for multi-modal RAG and large-document analysis.
Output token cost is steep relative to input, and the largest context windows can be slow to fill — chunk large documents where possible.
Gemma 4 31B
Auto-synced from OpenRouter — no editorial write-up yet.
More comparisons
Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.