Gemini 3.1 Pro Preview Custom Tools
by Googlegoogle/gemini-3.1-pro-preview-customtools
LLMCompare cannot run Gemini 3.1 Pro Preview Custom Tools yet.No route to this model is configured on this site yet. Its prices and parameters are listed below for reference.
See the models that can be run nowGemini 3.1 Pro Preview Custom Tools at a glance
- Context length
- 1,048,576 tokens
- Maximum output
- 65,536 tokens
- Accepts
- Text, Image, File, Audio, Video
- Returns
- Text
- Features
- ReasoningJSON outputTool callingPrompt cachingImage input
- Reasoning effort levels
highmediumlowReasoning is always on for this model.- Released
- 25 Feb 2026
- Knowledge cutoff
- Not published
Model facts synced from the OpenRouter model list on 21 Oct 2026.
Gemini 3.1 Pro Preview Custom Tools pricing by route
A route is the service LLMCompare calls to reach the model. Gemini 3.1 Pro Preview Custom Tools has 1 route. Prices are in US dollars.
| Route | On LLMCompare | Inputper 1M tokens | Outputper 1M tokens | Cache readper 1M tokens | Cache writeper 1M tokens | Price verified on | Source |
|---|---|---|---|---|---|---|---|
| OpenRouterDefault | Not configured | $2.00 | $12.00 | $0.20 | $0.375 | openrouter.ai/google/gemini-3.1-pro-preview-customtools |
The cost shown in an LLMCompare report is calculated from these prices as they were at the time of the run.
Cost calculator
Estimate what a batch of calls to Gemini 3.1 Pro Preview Custom Tools costs. The starting numbers are examples. Change them to match your task.
Part of the input tokens above, billed at the cache read price.
Billed in addition to the output tokens.
- Cost per call
- $0.008
- 10 credits
- Cost of 100 calls
- $0.80
- 1,000 credits
Calculated from the OpenRouter prices verified on 21 Oct 2026. Credits are the cost plus a 20% service fee, at $0.001 per credit, rounded up for each call, with a minimum of 1 per call. A real run is charged for the usage the provider reports.
Parameters you can set
These are the parameters LLMCompare can set when it calls the model through OpenRouter.
| Parameter | Type | Range or options | Default |
|---|---|---|---|
temperature | Number | 0 to 2in steps of 0.1 | Provider default |
top_p | Number | 0 to 1in steps of 0.05 | Provider default |
max_tokens | Integer | 1 to 65,536 | Provider default |
reasoning_effort | One of | highmediumlow | medium |
seed | Integer | -2,147,483,648 to 4,294,967,295 | Provider default |
response_format | One of | textjson_object | Provider default |
About 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...
Description as published for this model. LLMCompare has not edited it.
Models to compare with Gemini 3.1 Pro Preview Custom Tools
Text models from the same provider and models at the nearest price. The order is not a ranking.
| Add to comparison | Model | Context | Max output | Input priceper 1M tokens | Output priceper 1M tokens | Features | Released | On LLMCompare |
|---|---|---|---|---|---|---|---|---|
Gemini 3.1 Pro PreviewGooglegoogle/gemini-3.1-pro-preview | 1.05M | 65.5k | $2.00 | $12.00 | ReasoningJSONToolsCacheVision | No route yet | ||
Gemini 4 ArgonGooglegoogle/gemini-4-argon | 1.05M | 944k | $2.00 | $10.00 | ReasoningJSONToolsCacheVision | No route yet | ||
Gemini 2.5 Pro Preview 06-05Googlegoogle/gemini-2.5-pro-preview | 1.05M | 65.5k | $1.25 | $10.00 | JSONToolsCacheVision | No route yet | ||
GPT-5.6 Terra ProOpenAIopenai/gpt-5.6-terra-pro | 1.05M | 128k | $2.00 | $12.00 | ReasoningJSONToolsCacheVision | No route yet | ||
GPT-5.6 TerraOpenAIopenai/gpt-5.6-terra | 1.05M | 128k | $2.00 | $12.00 | ReasoningJSONToolsCacheVision | Runnable now | ||
Nova Premier 1.0Amazonamazon/nova-premier-v1 | 1M | 32k | $2.50 | $12.50 | ToolsCacheVision | No route yet |
Questions about Gemini 3.1 Pro Preview Custom Tools
- How much does Gemini 3.1 Pro Preview Custom Tools cost?
- On the OpenRouter route, Gemini 3.1 Pro Preview Custom Tools costs $2.00 per 1 million input tokens and $12.00 per 1 million output tokens, in US dollars. Input tokens that Gemini 3.1 Pro Preview Custom Tools reads from the prompt cache cost $0.20 per 1 million tokens. LLMCompare verified this price on 21 Oct 2026.
- What is the context length of Gemini 3.1 Pro Preview Custom Tools?
- Gemini 3.1 Pro Preview Custom Tools has a context length of 1,048,576 tokens and returns up to 65,536 output tokens in one call.
- What inputs does Gemini 3.1 Pro Preview Custom Tools accept?
- Gemini 3.1 Pro Preview Custom Tools accepts these inputs: Text, Image, File, Audio, Video. Gemini 3.1 Pro Preview Custom Tools returns: Text.
- Which reasoning effort levels does Gemini 3.1 Pro Preview Custom Tools support?
- Gemini 3.1 Pro Preview Custom Tools supports these reasoning effort levels: high, medium, low. Reasoning is always on for Gemini 3.1 Pro Preview Custom Tools and cannot be turned off.
- Can I test Gemini 3.1 Pro Preview Custom Tools on my own data?
- Not yet. LLMCompare lists the prices and parameters of Gemini 3.1 Pro Preview Custom Tools, but no route to Gemini 3.1 Pro Preview Custom Tools is configured on LLMCompare, so it cannot be selected for an evaluation.