Gemini 3.1 Pro Preview (02/26)

Release Date: 2/19/2026

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Vals Index

Gemini 3.1 Pro Preview provides better thinking, improved token efficiency, and a more grounded, factually consistent experience. Optimized for software engineering and agentic workflows.

Avg. Accuracy

65.98%

Latency

310.88s

Cost (In/Out)

2 / 12

Context Window

1M

Max Output Tokens

66k

Input Modality

Hyperparameter settings
Default Provider : Google

Temperature

1

Top P

Default

Top K

Default

Max Output Tokens

65,536

Reasoning Effort

high

Benchmarks

Accuracy

Rankings

Vals Index

0.0%

3/ 31

CaseLaw (v2)

0.0%

11/ 66

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