Google

Gemini 3.1 Pro Preview

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

google/gemini-3.1-pro-preview

Context

Output

65.5K

Released

2026-02-19

Knowledge cutoff

2025-01

Types

InputTextImageAudioVideoPDF

OutputText

Reasoning

Supported

Tool use

Supported

Structured output

Supported

Attachments

Supported

Open weights

—

Provider pricing

Kilo Gateway

InTextImageAudioVideoPDF

OutText

Price: $1.00 / $6.00
Context: 1M
Status: Stable

Eden AI

InTextImageAudioVideoPDF

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

FastRouter

InTextImageAudioVideoPDF

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

Impossibl

InTextImageAudioVideoPDF

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

Merge Gateway

InTextImageAudioVideoPDF

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

NanoGPT

InTextImageAudioVideo

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

Ofox

InTextImageAudioVideoPDF

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

OpenRouter

InTextImageAudioVideoPDF

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

OrcaRouter

InTextImageAudioVideoPDF

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

Perplexity Agent

InTextImageAudioVideoPDF

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

Prime Inference

InTextImageAudioVideo

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

Tempr Gateway

InTextImageAudioVideoPDF

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

Vercel AI Gateway

InTextImagePDF

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

ZenMux

InTextImageAudioVideoPDF

OutText

Price: $2.00 / $12.00
Context: 1M
Status: Stable

AI/ML API

InTextImageAudioVideoPDF

OutText

Price: $2.60 / $15.60
Context: 1M
Status: Stable

Provider	Types	Price	Context	Status
Kilo Gateway	InTextImageAudioVideoPDF OutText	$1.00 / $6.00	1M	Stable
Eden AI	InTextImageAudioVideoPDF OutText	$2.00 / $12.00	1M	Stable
FastRouter	InTextImageAudioVideoPDF OutText	$2.00 / $12.00	1M	Stable
Impossibl	InTextImageAudioVideoPDF OutText	$2.00 / $12.00	1M	Stable
Merge Gateway	InTextImageAudioVideoPDF OutText	$2.00 / $12.00	1M	Stable
NanoGPT	InTextImageAudioVideo OutText	$2.00 / $12.00	1M	Stable
Ofox	InTextImageAudioVideoPDF OutText	$2.00 / $12.00	1M	Stable
OpenRouter	InTextImageAudioVideoPDF OutText	$2.00 / $12.00	1M	Stable
OrcaRouter	InTextImageAudioVideoPDF OutText	$2.00 / $12.00	1M	Stable
Perplexity Agent	InTextImageAudioVideoPDF OutText	$2.00 / $12.00	1M	Stable
Prime Inference	InTextImageAudioVideo OutText	$2.00 / $12.00	1M	Stable
Tempr Gateway	InTextImageAudioVideoPDF OutText	$2.00 / $12.00	1M	Stable
Vercel AI Gateway	InTextImagePDF OutText	$2.00 / $12.00	1M	Stable
ZenMux	InTextImageAudioVideoPDF OutText	$2.00 / $12.00	1M	Stable
AI/ML API	InTextImageAudioVideoPDF OutText	$2.60 / $15.60	1M	Stable

Benchmarks

SWE-Bench Pro
54.2 · resolve rate
Terminal-Bench
70.3 · success rate
SWE-Bench Pro
46.1 · resolve rate
SWE-Atlas Codebase QnA
13.5 · score
SWE-Atlas Refactoring
33.81 · score
SWE-Atlas Test Writing
29.84 · score
Artificial Analysis Coding Agent Index
43 · average pass@1
SWE-Atlas Codebase QnA
45.6 · pass@1
SWE-Bench Pro
15.1 · pass@1
Terminal-Bench
68.3 · pass@1
GPQA Diamond
94.3 · accuracy
Humanity's Last Exam
44.4 · accuracy
ARC-AGI-2
77.1 · accuracy
MMMU Pro
80.5 · accuracy
MCP Atlas
78.2 · success rate
OSWorld-Verified
76.2 · success rate
CharXiv Reasoning
83.3 · accuracy
GDPval-AA
1314 · Elo

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