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Gemini 3.1 Pro Preview Custom Tools

google/gemini-3.1-pro-preview-customtools

Advanced Gemini model for complex reasoning, coding, and multimodal analysis

Source-linkedgemini-proClosed weightsReleased 2026-02-19
Report data
Context window1.04858M
Maximum output65.536K
Provider offers10
Knowledge cutoff2025-01
Capabilities

What this model supports

ReasoningYes
Tool callingYes
Structured outputYes
AttachmentsYes
Temperature controlYes
Open weightsNo
Creator
Google
Family
gemini-pro
Modalities
Audio, Image, Pdf, Text, Video
License
Not documented
Release date
2026-02-19
Model ID
google/gemini-3.1-pro-preview-customtools
Market availability

Provider pricing

Report price →
Providers offering Gemini 3.1 Pro Preview Custom Tools
ProviderProvider model IDContextInput / 1MOutput / 1MCached / 1MFeaturesAll pricing
Neongemini-3-1-pro1.04858M$2.000$12.000$0.200R T S
View
{
  "cache_read": 0.2,
  "context_over_200k": {
    "cache_read": 0.4,
    "input": 4,
    "output": 18
  },
  "input": 2,
  "output": 12,
  "tiers": [
    {
      "cache_read": 0.4,
      "input": 4,
      "output": 18,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
Merge Gatewaygoogle/gemini-3.1-pro-preview-customtools1.04858M$2.000$12.000$0.200R T S
View
{
  "cache_read": 0.2,
  "context_over_200k": {
    "cache_read": 0.4,
    "input": 4,
    "output": 18
  },
  "input": 2,
  "output": 12,
  "tiers": [
    {
      "cache_read": 0.4,
      "input": 4,
      "output": 18,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
Googlegemini-3.1-pro-preview-customtools1.04858M$2.000$12.000$0.200R T S
View
{
  "cache_read": 0.2,
  "context_over_200k": {
    "cache_read": 0.4,
    "input": 4,
    "output": 18
  },
  "input": 2,
  "output": 12,
  "tiers": [
    {
      "cache_read": 0.4,
      "input": 4,
      "output": 18,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
Kilo Gatewaygoogle/gemini-3.1-pro-preview-customtools1.04858M$2.000$12.000R T ·
View
{
  "input": 2,
  "output": 12,
  "reasoning": 12
}
OpenRoutergoogle/gemini-3.1-pro-preview-customtools1.04876M$2.000$12.000$0.200R T S
View
{
  "cache_read": 0.2,
  "cache_write": 0.375,
  "context_over_200k": {
    "cache_read": 0.4,
    "input": 4,
    "output": 18
  },
  "input": 2,
  "output": 12,
  "reasoning": 12,
  "tiers": [
    {
      "cache_read": 0.4,
      "input": 4,
      "output": 18,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
Databricksdatabricks-gemini-3-1-pro1.04858M$2.000$12.000$0.200R T S
View
{
  "cache_read": 0.2,
  "context_over_200k": {
    "cache_read": 0.4,
    "input": 4,
    "output": 18
  },
  "input": 2,
  "output": 12,
  "tiers": [
    {
      "cache_read": 0.4,
      "input": 4,
      "output": 18,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
AIHubMixgemini-3.1-pro-preview-customtools1.04858M$2.000$12.000$0.200R T S
View
{
  "cache_read": 0.2,
  "context_over_200k": {
    "cache_read": 0.4,
    "input": 4,
    "output": 18
  },
  "input": 2,
  "output": 12,
  "tiers": [
    {
      "cache_read": 0.4,
      "input": 4,
      "output": 18,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
Vertexgemini-3.1-pro-preview-customtools1.04858M$2.000$12.000$0.200R T S
View
{
  "cache_read": 0.2,
  "context_over_200k": {
    "cache_read": 0.4,
    "input": 4,
    "output": 18
  },
  "input": 2,
  "output": 12,
  "tiers": [
    {
      "cache_read": 0.4,
      "input": 4,
      "output": 18,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
NanoGPTgoogle/gemini-3.1-pro-preview-customtools1.04876M$2.000$12.000$0.200R T S
View
{
  "cache_read": 0.2,
  "input": 2,
  "output": 12
}
OrcaRoutergoogle/gemini-3.1-pro-preview-customtools1.04858M$4.000$18.000$0.200R T S
View
{
  "cache_read": 0.2,
  "context_over_200k": {
    "cache_read": 0.4,
    "input": 4,
    "output": 18
  },
  "input": 4,
  "output": 18,
  "tiers": [
    {
      "cache_read": 0.4,
      "input": 4,
      "output": 18,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
Evidence

Published benchmark results

Insufficient benchmark coverage. ModelBench does not infer a score from price, context size, or model name.