Gemini 3.1 Pro Preview Custom Tools
Gemini 3.1 Pro Preview Custom Tools is a variant of Gemini 3.1 Pro that improves tool selection behavior by preventing overuse of a general bash tool when more efficient third-party...
Input / 1M
$2.00
Output / 1M
$12.00
Context
1M
AA Intelligence
—
Closed weights — available only as a hosted API
text + audio + image + video + file → text
View on OpenRouter ↗
Pricing
via OpenRouter · USD per 1M tokens · synced 2026-10-24$2.00
input / 1M
$12.00
output / 1M
$0.20
cached input / 1M
$14.00
1M in + 1M out
Price tiers
- Above 200K prompt tokens: input $4.00/M, output $18.00/M (2× base)
- Context window
- 1,048,576 tokens
- Max output
- 65,536 tokens
- Providers
- 1
- Cheapest provider
- Google AI Studio · $2.00 / $12.00
- Best throughput
- —
- AA Intelligence / Coding / Agentic
- — / — / —
✓ Tool calling
✓ Reasoning
✓ Structured outputs
✓ Image input
✓ File input
✓ Audio input
✓ Prompt caching
Price history
tracking started — chart appears after 7 days of snapshots (6 recorded)Current: $2.00 input · $12.00 output per 1M tokens
Providers
1 provider · per 1M tokens · last 30 min metrics| Provider | Quant | Context | Input | Output | Uptime | Tok/s |
|---|---|---|---|---|---|---|
| Google AI Studio | unknown | 1M | $2.00 | $12.00 | — | — |
Provider data from OpenRouter's endpoint listing, refreshed daily.
Specifications
- Organisation
- Released on OpenRouter
- 2026-02-25
- Context window
- 1,048,576 tokens
- Max output
- 65,536 tokens
- Input
- text, audio, image, video, file
- Output
- text
- Tokenizer
- Gemini
- Moderated by provider
- No
- OpenRouter id
- google/gemini-3.1-pro-preview-customtools
Compare with
Popular comparisons
Prices, context and providers from the public OpenRouter API, snapshotted daily; benchmark indices from Artificial Analysis. See /methodology.