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Gemini 3.1 Pro Preview

Reasoning-first Gemini preview for agentic coding and complex problem solving

Source-linked gemini-pro Closed weights Released 2026-02-19
API data Report
Input modalitiesT
Output modalitiesT
Input price$2/1M tokens
Output price$12/1M tokens
Context window1.04858M
Max output65.536K
Overview

Capabilities and specifications

✓ Reasoning Yes
✓ Tool calling Yes
✓ Structured output Yes
✓ Attachments Yes
✓ Vision input Yes
× Open weights No
Creator
Google
Model family
gemini-pro
Knowledge cutoff
2025-01
License
Not documented
Release date
2026-02-19
Model ID
google/gemini-3.1-pro-preview
Inference availability

Provider pricing and availability

Provider-specific identifiers, limits, and prices per million tokens.

Report a price
Providers offering Gemini 3.1 Pro Preview
ProviderProvider model IDContextInputOutputCache readCapabilitiesSource
Snowflake Cortex gemini-3.1-pro 1.04858M Not listed Not listed - ReasoningToolsJSON Docs
Vercel AI Gateway google/gemini-3.1-pro-preview 1M $2 $12 $0.2 ReasoningToolsJSON Docs
Auriko gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
Vivgrid gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
Google gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
CrossModel gemini/gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
ZenMux google/gemini-3.1-pro-preview 1.048M $2 $12 $0.2 ReasoningTools Docs
Merge Gateway google/gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
Pioneer gemini-3.1-pro 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
LLM Gateway gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
Abacus gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
DaoXE gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
OpenCode Zen gemini-3.1-pro 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
Perplexity Agent google/gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningTools Docs
Kilo Gateway google/gemini-3.1-pro-preview 1.04858M $2 $12 - ReasoningTools Docs
FrogBot gemini-3-1-pro-preview 1M $2 $12 $0.2 ReasoningToolsJSON Docs
OpenRouter google/gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
FastRouter google/gemini-3.1-pro-preview 1.04858M $2 $12 - ReasoningToolsJSON Docs
AIHubMix gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
Vertex gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
NanoGPT google/gemini-3.1-pro-preview 1.04876M $2 $12 $0.2 ReasoningToolsJSON Docs
GitHub Copilot gemini-3.1-pro-preview 1M $2 $12 $0.2 ReasoningToolsJSON Docs
Ofox google/gemini-3.1-pro-preview 1.04858M $2 $12 $0.2 ReasoningToolsJSON Docs
OrcaRouter google/gemini-3.1-pro-preview 1.04858M $4 $18 $0.2 ReasoningToolsJSON Docs

Capability badges appear only when the provider catalog explicitly lists support.

Serving quality

Performance and reliability

Observed serving measurements stay separate from model specifications and are never estimated from price or model size.

Throughput Not reported

Generation speed; higher is faster.

Latency / TTFT Not reported

Time until the first output token arrives.

Uptime Not reported

Successful requests over a measured period.

Performance varies by inference provider, region, and load. Provider-level measurements appear only when a source reports them.

Published evaluations

Benchmarks

Raw results remain attached to their original source and version.

Benchmark registry
ARC-AGI-2 - Unversioned - accuracyTop 5 reported models
GPT-5.5
85.0
GPT-5.4 Pro
83.3
Gemini 3.1 Pro Preview
77.1
GPT-5.4
73.3
Gemini 3.5 Flash
72.1
Agentic Index - Unversioned - indexTop 8 reported models
Claude Opus 5
55.3
GPT-5.6 Sol
54.0
Anthropic: Claude Fable 5 (batch)
52.8
Claude Fable 5
52.8
Kimi K3
50.1
GPT-5.6 Terra
47.4
Anthropic: Claude Opus 4.8 (batch)
47.2
Gemini 3.1 Pro Preview
21.4
Artificial Analysis Coding Agent Index - Unversioned - average pass@1 - Gemini CLITop 1 reported models
Gemini 3.1 Pro Preview
43.0
CharXiv Reasoning - Unversioned - accuracyTop 3 reported models
Muse Spark 1.1
88.4
Gemini 3.5 Flash
84.2
Gemini 3.1 Pro Preview
83.3
Coding Index - Unversioned - indexTop 8 reported models
Claude Opus 5
78.0
GPT-5.6 Sol
77.4
GPT-5.6 Terra
76.7
Anthropic: Claude Fable 5 (batch)
76.5
Claude Fable 5
76.5
Kimi K3
76.2
OpenAI: GPT-5.5 (batch)
74.9
Gemini 3.1 Pro Preview
68.8
Design Arena: 3d - Unversioned - eloTop 8 reported models
Kimi K3
1456.0
Claude Opus 5
1384.0
Anthropic: Claude Fable 5 (batch)
1373.0
Claude Fable 5
1373.0
Z.ai: GLM 5.2
1366.0
Z.ai: GLM 5.1
1336.0
Anthropic: Claude Opus 4.6 (batch)
1332.0
Gemini 3.1 Pro Preview
1290.0
Design Arena: agenticgamedev - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1296.0
Claude Fable 5
1296.0
Anthropic: Claude Opus 4.8 (batch)
1259.0
Anthropic: Claude Opus 4.8
1259.0
Anthropic: Claude Opus 4.7 (batch)
1254.0
Anthropic: Claude Opus 4.7
1254.0
Anthropic: Claude Sonnet 5 (batch)
1238.0
Gemini 3.1 Pro Preview
1123.0
Design Arena: agentichtmlslides - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1254.0
Claude Fable 5
1254.0
Kimi K2.6
1248.0
Anthropic: Claude Opus 4.7 (batch)
1243.0
Anthropic: Claude Opus 4.7
1243.0
Anthropic: Claude Opus 4.8 (batch)
1227.0
Anthropic: Claude Opus 4.8
1227.0
Gemini 3.1 Pro Preview
1226.0
Design Arena: agenticslides - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.7 (batch)
1334.0
Anthropic: Claude Opus 4.7
1334.0
Anthropic: Claude Opus 4.8 (batch)
1294.0
Anthropic: Claude Opus 4.8
1294.0
Z.ai: GLM 5.1
1245.0
Google: Gemini 3.5 Flash (batch)
1244.0
Gemini 3.5 Flash
1244.0
Gemini 3.1 Pro Preview
1112.0
Design Arena: agenticslides(html) - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1252.0
Kimi K2.6
1252.0
Claude Fable 5
1252.0
Anthropic: Claude Opus 4.7 (batch)
1242.0
Anthropic: Claude Opus 4.7
1242.0
Anthropic: Claude Opus 4.8 (batch)
1230.0
Anthropic: Claude Opus 4.8
1230.0
Gemini 3.1 Pro Preview
1219.0
Design Arena: agenticslides(python-pptx) - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.7 (batch)
1331.0
Anthropic: Claude Opus 4.7
1331.0
Anthropic: Claude Opus 4.8 (batch)
1310.0
Anthropic: Claude Opus 4.8
1310.0
Google: Gemini 3.5 Flash (batch)
1242.0
Gemini 3.5 Flash
1242.0
Z.ai: GLM 5.1
1240.0
Gemini 3.1 Pro Preview
1107.0
Design Arena: androidnative - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.8 (batch)
1337.0
Anthropic: Claude Opus 4.8
1337.0
Anthropic: Claude Fable 5 (batch)
1306.0
Claude Fable 5
1306.0
xAI: Grok 4.5
1280.0
Kimi K2.6
1278.0
Z.ai: GLM 5V Turbo
1267.0
Gemini 3.1 Pro Preview
1032.0
Design Arena: asciiart - Unversioned - eloTop 7 reported models
Anthropic: Claude Fable 5 (batch)
1364.0
Claude Fable 5
1364.0
Anthropic: Claude Opus 4.7 (batch)
1324.0
Anthropic: Claude Opus 4.7
1324.0
Muse Spark 1.1
1322.0
Google: Gemini 3.1 Pro Preview (batch)
1309.0
Gemini 3.1 Pro Preview
1309.0
Design Arena: codecategories - Unversioned - eloTop 8 reported models
Kimi K3
1418.0
Claude Opus 5
1358.0
Z.ai: GLM 5.2
1346.0
Anthropic: Claude Fable 5 (batch)
1340.0
Claude Fable 5
1340.0
Anthropic: Claude Opus 4.6 (batch)
1324.0
Anthropic: Claude Opus 4.6
1324.0
Gemini 3.1 Pro Preview
1272.0
Design Arena: dataviz - Unversioned - eloTop 8 reported models
Kimi K3
1382.0
Claude Opus 5
1378.0
Z.ai: GLM 5.1
1366.0
Google: Gemini 3.6 Flash (batch)
1350.0
Gemini 3.6 Flash
1350.0
Anthropic: Claude Fable 5 (batch)
1349.0
Claude Fable 5
1349.0
Gemini 3.1 Pro Preview
1255.0
Design Arena: fullstack - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.7 (batch)
1503.0
Anthropic: Claude Opus 4.7
1503.0
Anthropic: Claude Fable 5 (batch)
1293.0
Claude Fable 5
1293.0
Anthropic: Claude Opus 4.8 (batch)
1289.0
Anthropic: Claude Opus 4.8
1289.0
xAI: Grok 4.5
1282.0
Gemini 3.1 Pro Preview
1108.0
Design Arena: gamedev - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1393.0
Claude Fable 5
1393.0
Z.ai: GLM 5.2
1358.0
Anthropic: Claude Sonnet 5 (batch)
1352.0
Claude Sonnet 5
1352.0
OpenAI: GPT-5.5 (batch)
1345.0
GPT-5.5
1345.0
Gemini 3.1 Pro Preview
1255.0
Design Arena: godotgamedev - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1349.0
Claude Fable 5
1349.0
Anthropic: Claude Opus 4.7 (batch)
1270.0
Anthropic: Claude Opus 4.7
1270.0
xAI: Grok 4.5
1270.0
Anthropic: Claude Sonnet 5 (batch)
1269.0
Claude Sonnet 5
1269.0
Gemini 3.1 Pro Preview
1236.0
Design Arena: htmlslides - Unversioned - eloTop 8 reported models
Anthropic: Claude Fable 5 (batch)
1260.0
Claude Fable 5
1260.0
Anthropic: Claude Opus 4.7 (batch)
1244.0
Anthropic: Claude Opus 4.7
1244.0
Anthropic: Claude Opus 4.8 (batch)
1239.0
Anthropic: Claude Opus 4.8
1239.0
Anthropic: Claude Sonnet 5 (batch)
1234.0
Gemini 3.1 Pro Preview
1204.0
Design Arena: mobileapps - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.6 (batch)
1275.0
Anthropic: Claude Opus 4.6
1275.0
Anthropic: Claude Opus 4.8 (batch)
1272.0
Anthropic: Claude Opus 4.8
1272.0
Anthropic: Claude Sonnet 4.6
1267.0
Anthropic: Claude Fable 5 (batch)
1265.0
Claude Fable 5
1265.0
Gemini 3.1 Pro Preview
1163.0
Design Arena: pptxslides - Unversioned - eloTop 8 reported models
Anthropic: Claude Opus 4.7 (batch)
1333.0
Anthropic: Claude Opus 4.7
1333.0
Anthropic: Claude Opus 4.8 (batch)
1306.0
Anthropic: Claude Opus 4.8
1306.0
Google: Gemini 3.5 Flash (batch)
1244.0
Gemini 3.5 Flash
1244.0
Z.ai: GLM 5.1
1241.0
Gemini 3.1 Pro Preview
1110.0
Design Arena: python-pptxslides - Unversioned - eloTop 8 reported models
Kimi K3
1380.0
Anthropic: Claude Opus 4.7 (batch)
1336.0
Anthropic: Claude Opus 4.7
1336.0
Anthropic: Claude Fable 5 (batch)
1301.0
Claude Fable 5
1301.0
Anthropic: Claude Opus 4.8 (batch)
1298.0
Anthropic: Claude Opus 4.8
1298.0
Gemini 3.1 Pro Preview
1109.0
Design Arena: svg - Unversioned - eloTop 7 reported models
Anthropic: Claude Fable 5 (batch)
1351.0
Claude Fable 5
1351.0
Google: Gemini 3.1 Pro Preview (batch)
1335.0
Gemini 3.1 Pro Preview
1335.0
Google: Gemini 3.5 Flash (batch)
1296.0
Gemini 3.5 Flash
1296.0
Anthropic: Claude Opus 4.6 (batch)
1276.0
Design Arena: uicomponent - Unversioned - eloTop 8 reported models
Kimi K3
1413.0
Claude Opus 5
1406.0
Anthropic: Claude Fable 5 (batch)
1350.0
Claude Fable 5
1350.0
Anthropic: Claude Opus 4.7 (batch)
1339.0
Anthropic: Claude Opus 4.7
1339.0
Z.ai: GLM 5.2
1334.0
Gemini 3.1 Pro Preview
1303.0
Design Arena: webapps - Unversioned - eloTop 8 reported models
Kimi K3
1329.0
Anthropic: Claude Fable 5 (batch)
1305.0
Claude Fable 5
1305.0
Anthropic: Claude Sonnet 5 (batch)
1304.0
Claude Sonnet 5
1304.0
Anthropic: Claude Opus 4.7 (batch)
1303.0
Anthropic: Claude Opus 4.7
1303.0
Gemini 3.1 Pro Preview
1178.0
Design Arena: website - Unversioned - eloTop 8 reported models
Kimi K3
1375.0
Claude Opus 5
1343.0
Z.ai: GLM 5.2
1340.0
Anthropic: Claude Fable 5 (batch)
1323.0
Claude Fable 5
1323.0
xAI: Grok 4.5
1323.0
Google: Gemini 3.6 Flash (batch)
1322.0
Gemini 3.1 Pro Preview
1276.0
GDPval-AA - Unversioned - EloTop 4 reported models
Claude Fable 5
1932.0
Gemini 3.5 Flash
1656.0
Grok 4.3
1500.0
Gemini 3.1 Pro Preview
1314.0
GPQA Diamond - Unversioned - accuracyTop 7 reported models
GPT-5.6 Sol
94.6
GPT-5.4 Pro
94.4
Gemini 3.1 Pro Preview
94.3
Claude Opus 4.7
94.2
GPT-5.5
93.6
GPT-5.6 Terra
92.9
GPT-5.4
92.8
Humanity's Last Exam - Unversioned - accuracyTop 8 reported models
Claude Fable 5
64.5
Muse Spark 1.1
62.1
GPT-5.4 Pro
58.7
Claude Opus 4.8
57.9
GPT-5.5 Pro
57.2
Claude Opus 4.7
54.7
GPT-5.5
52.2
Gemini 3.1 Pro Preview
44.4
Intelligence Index - Unversioned - indexTop 8 reported models
Claude Opus 5
60.7
Anthropic: Claude Fable 5 (batch)
59.9
Claude Fable 5
59.9
GPT-5.6 Sol
58.9
Kimi K3
57.1
Anthropic: Claude Opus 4.8 (batch)
55.7
Anthropic: Claude Opus 4.8
55.7
Gemini 3.1 Pro Preview
46.5
Catalog activity

Recent record changes

Detected changes from successful source imports.

Full change log
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This record has not changed in the retained import history.

Public API

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Fetch the complete source-linked model record without an API key.

API documentation
Endpoint
GET https://www.modelbench.lol/api/v1/models/google/gemini-3.1-pro-preview
curl
curl "https://www.modelbench.lol/api/v1/models/google/gemini-3.1-pro-preview"