Gemini 3.1 Pro Preview (batch) API pricing
1 provider serves Gemini 3.1 Pro Preview (batch). Gemini 3.1 Pro Preview (batch) is a proprietary API model, up to 1049K context. Prices below are per 1M tokens, cheapest input first.
Refreshed 2026-08-15 · list prices from provider APIs| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context | |
|---|---|---|---|---|---|
| OpenRouter marketplace quote | $1.00 | $6.00output floor | - | 1049K | Use |
The cheapest way to run Gemini 3.1 Pro Preview (batch)
On an illustrative 70M-input / 30M-output monthly workload, today's lowest listed cost is roughly $250/month, at OpenRouter. Input-heavy, output-heavy and cache-heavy workloads can produce different winners. Use the live mix calculator below rather than combining floors from two different providers. It is API-only, so the table above is your full set of options. Run your own numbers in the breakeven calculator, or read the breakeven math.
Your actual monthly cost
Cache read uses the listed cache rate where available; otherwise it falls back to normal input price. Batch, write-cache, volume and negotiated discounts are excluded.
Related models
| Model | Cheapest in $/1M | Cheapest out $/1M | Providers |
|---|---|---|---|
| Gemini 2.5 Flash | $0.150 | $0.600 | 8 |
| Gemini 2.5 Pro | $1.25 | $10.00 | 7 |
| Gemini-3-Pro | $2.00 | $12.00 | 5 |
| Gemini-2.0-Flash-001 | $0.100 | $0.400 | 4 |
| Gemini 2.5 Flash Lite | $0.075 | $0.300 | 4 |
| Gemini 3 Flash Preview | $0.500 | $3.00 | 4 |
FAQ
What is the cheapest API for Gemini 3.1 Pro Preview (batch)?
As of 2026-08-15, the lowest input price for Gemini 3.1 Pro Preview (batch) is OpenRouter at $1.00 per 1M input tokens. The lowest output price is OpenRouter at $6.00 per 1M output tokens. The cheapest provider for a real workload depends on its input/output mix.
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