Gemini 3.1 Pro
PremiumGoogle's frontier model with a large leap in core reasoning.
More than doubles Gemini 3 Pro's reasoning performance (77% ARC-AGI-2). Strong on scientific QA and long-horizon agentic tasks. Excels at synthesizing complex data, visual explanations, and multi-step problem solving.
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Gemini 3.1 Pro by Google has a Capability Index of 86.4, making it notably capable. It ranks #10 out of 92 models on the idapt capability leaderboard. It resolves 81% of SWE-bench Verified coding tasks. Gemini 3.1 Pro is competitively priced at $2.00/M tokens input and $12.00/M tokens output. Cached input reads are priced at $0.20/M tokens, making repeated context cheaper. The model supports vision/image input, audio input, extended reasoning, a 1M context window.
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Mistral Small 4vs Gemini 3.1 ProFrequently Asked Questions about Gemini 3.1 Pro▼
When was Gemini 3.1 Pro released?
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Gemini 3.1 Pro was released on February 19, 2026.
Who created Gemini 3.1 Pro?
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Gemini 3.1 Pro was created by Google.
How capable is Gemini 3.1 Pro?
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Gemini 3.1 Pro has a Capability Index of 86.4/100, making it notably capable. It ranks #10 out of 92 models.
How much does Gemini 3.1 Pro cost?
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Gemini 3.1 Pro costs $2.00/M input tokens and $12.00/M output tokens.
What is Gemini 3.1 Pro API pricing?
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The Gemini 3.1 Pro API is priced at $2.00 per million input tokens and $12.00 per million output tokens. You can access Gemini 3.1 Pro through idapt.app alongside 200+ other AI models in one workspace.
Is Gemini 3.1 Pro a reasoning model?
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Yes, Gemini 3.1 Pro is a reasoning model. It can think step-by-step through complex problems before providing an answer, often yielding better results on difficult tasks like math, coding, and multi-step logic.
Does Gemini 3.1 Pro support image or vision input?
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Yes, Gemini 3.1 Pro supports vision/image input. You can share images in your conversation and the model will analyze and respond based on their content.
Does Gemini 3.1 Pro support audio?
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Yes, Gemini 3.1 Pro supports audio input, allowing it to process and respond to voice and audio files.
What is the context window of Gemini 3.1 Pro?
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Gemini 3.1 Pro has a context window of 1M tokens, meaning it can process approximately 786,432 words of context at once.
Is Gemini 3.1 Pro open source?
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Gemini 3.1 Pro is a proprietary model developed by Google. The model weights and training data are not publicly available.
How does Gemini 3.1 Pro perform on coding?
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Gemini 3.1 Pro resolves 81% of SWE-bench Verified tasks — real GitHub issues fixed end-to-end, the strongest single signal for agentic software engineering.
What is Gemini 3.1 Pro good at?
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Based on benchmark data, Gemini 3.1 Pro excels at: complex reasoning and analysis, software development and coding tasks, mathematical problem solving, visual analysis and image understanding. It is Google's capable model suitable for a wide range of tasks.
Where can I use Gemini 3.1 Pro?
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You can chat with Gemini 3.1 Pro on idapt.app — no separate API key required. idapt is an AI workspace with 200+ models, agents, computers, and tasks. You can also access Gemini 3.1 Pro through Google's own API or platform.