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Gemini 2.5 Pro

Active Parameters

Undisclosed

Context Length

2.1M

Modality

Multimodal

Architecture

Mixture of Experts (MoE)

License

Proprietary

Release Date

25 Sept 2025

Knowledge Cutoff

Jan 2025

API Pricing (per 1M)

Input: $1.25 · Output: $10.00

Evaluation Benchmarks

Rank

#108

BenchmarkScoreRank

Software Engineering

SWE-bench Verified

0.54

26

Graduate-Level QA

GPQA

0.864

36

General Text

Text Arena

1446

59

Web Development

WebDev Arena

1226

90

Agentic Index

Artificial Analysis

0.07

91

0.33

109

Intelligence Index

Artificial Analysis

0.19

159

Coding

Archived
Aider Coding

0.83

🥇

1

QA Assistant

Archived
ProLLM QA Assistant

0.975

🥉

3

Summarization

Archived
ProLLM Summarization

0.863

6

Rankings

Overall Rank

#108

Coding Rank

#93

About Gemini 2.5 Pro

Gemini 2.5 Pro is an advanced multimodal Mixture-of-Experts model from Google engineered for deep analytical reasoning and scientific inquiry. It features transparent chain-of-thought budgeting across a massive 2M token context window.

Technical Specifications

Architecture specifications are undisclosed for proprietary models.

About Gemini 2.5

Google's advanced multimodal models with native understanding of text, images, audio, and video. Features massive context windows up to 2.1M tokens, max thinking modes for complex reasoning, and optimized variants for different performance/cost tradeoffs. Includes Pro, Flash, and Flash Lite variants with configurable thinking capabilities for transparent reasoning.


Other Gemini 2.5 Models
Gemini 2.5 Pro: Model Specifications and Details