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Gemini 3.1 Pro vs Mercury 2.5
List-price comparison ·Gemini 3.1 Pro details ·Mercury 2.5 details
For a typical workload (100,000 requests / mo), Mercury 2.5 is the cheapest — 99% less than the priciest here ($10.80/mo vs $720.00/mo).
| Gemini 3.1 Pro | Mercury 2.5 | |
|---|---|---|
| Input / 1M tokens | $2.00 | $0.040 |
| Output / 1M tokens | $12.00 | $0.150 |
| Typical request (1,200 in + 400 out) | $0.0072 | $0.0001 |
| Context window | 1,048,576 tokens | 260k tokens |
| Max output | 65,536 tokens | 65,536 tokens |
| Quality score | 93/100 | 72/100 |
| Tier | Flagship | Balanced |
| Provider | Inception |
Projected monthly cost
| Requests / mo | Gemini 3.1 Pro | Mercury 2.5 |
|---|---|---|
| 1,000 | $7.20 | $0.108 |
| 10,000 | $72.00 | $1.08 |
| 100,000 | $720.00 | $10.80 |
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.
Mercury 2.5
Auto-synced from OpenRouter — no editorial write-up yet.
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Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.