Gemini 3.1 Pro Preview Custom Tools
API onlyGoogle·google/gemini-3.1-pro-preview-customtools
Gemini 3.1 Pro Preview Custom Tools listed OpenRouter input price is $2.00 per 1M tokens and listed output price is $12.00 per 1M tokens, from OpenRouter listed prices as of 22 Sept 2026, 02:49 UTC.
Gemini 3.1 Pro Preview Custom Tools has a published context limit of 1M tokens in the ModelCap catalogue as of 22 Sept 2026, 02:49 UTC.
Gemini 3.1 Pro Preview Custom Tools has 1 published OpenRouter serving endpoint, from OpenRouter as of 22 Sept 2026, 02:49 UTC.
Gemini 3.1 Pro Preview Custom Tools weight access is api only, from ModelCap classification of published repository metadata as of 22 Sept 2026, 02:49 UTC.
Snapshot facts · download the public dataset · methodology
This separately configured or accelerated route is reviewed as the same underlying model identity as Gemini 3.1 Pro Preview. That canonical product owns rank and capability evidence; pricing, providers and other operational differences remain route-specific below.
Providers
Uptime measured over the last 30 minutesDeployment readiness
Metadata index- Artifact reproducibility
- 0.0
- Access & legal clarity
- 30.3
- Deployability
- 80.0
- Evaluation provenance
- 0.0
Missing: artifactReproducibility.revision-sha, artifactReproducibility.architecture-and-model-type, artifactReproducibility.parameter-count, artifactReproducibility.serialized-weight-format, artifactReproducibility.base-lineage, accessLegalClarity.declared-license, accessLegalClarity.resolvable-license-terms, evaluationProvenance.admitted-evaluation-observations, evaluationProvenance.capability-family-breadth, evaluationProvenance.evaluation-source-diversity, evaluationProvenance.identity-and-source-confidence, evaluationProvenance.evaluation-dataset-revisions.
A metadata completeness and deployability index—not a safety certification, quality grade, or production-readiness claim.
Market activity
Venue coverage- Market Gravity
- 38.1
- OpenRouter weekly popularity
- #212 of 322
Market Gravity uses OpenRouter’s full-catalogue popularity order. Sparse Vercel top-ten observations appear only when published and do not affect the score.
Market Gravity breakdown
- Usage55%
- 7.2
- Liquidity25%
- 97.4
- Open reach15%
- 50.0
- Freshness5%
- 45.2
OpenRouter weekly popularity across the full model catalogue.
Independent providers versus the model's open or closed cohort, weighted by uptime.
Hugging Face 30-day downloads for open models; neutral for closed models.
Time since first public availability, on a six-month half-life.
Specification
- Context window
- 1M tokens
- Max output
- 66K tokens
- Inputs
- Text, Audio, Image, Video, File
- Outputs
- Text
- Tokenizer
- Gemini
- Cached input tokens
- $0.20 / 1M
- First seen on OpenRouter
- 25 Feb 2026
Capabilities
- Supported: Reasoning
- Supported: Tool use
- Supported: Structured output
- Supported: Response format
- Not supported: Moderated