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Gemini 2.5 Flash

Active Parameters

Undisclosed

Context Length

1.05M

Modality

Multimodal

Architecture

Mixture of Experts (MoE)

License

Proprietary

Release Date

25 Sept 2025

Knowledge Cutoff

Jan 2025

API Pricing (per 1M)

Input: $0.30 · Output: $2.50

Evaluation Benchmarks

Rank

#116

BenchmarkScoreRank

Software Engineering

SWE-bench Verified

0.29

32

Graduate-Level QA

GPQA

0.828

50

General Text

Text Arena

1410

94

Intelligence Index

Artificial Analysis
auto

0.14

Standard

0.08

177

204

Summarization

Archived
ProLLM Summarization

0.84

9

Coding

Archived
Aider Coding

0.55

11

QA Assistant

Archived
ProLLM QA Assistant

0.722

20

Rankings

Overall Rank

#116

Coding Rank

#127

About Gemini 2.5 Flash

Gemini 2.5 Flash is a high-throughput multimodal model by Google built to balance fast execution with verifiable chain-of-thought reasoning. It supports native multimodal inputs, function calling, and search grounding over a 1M 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 Flash: Model Specifications and Details