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Google DeepMindReleased April 17, 2025

Gemini 2.5 Flash

#10 Arena RankUndisclosed parameters

Gemini 2.5 Flash ranks in the top 10 on the Arena leaderboard. Context window: 0.001K tokens.

Context

1M

Input

$0.30

Key Specifications

🏆

Arena Rank

#10

📐

Context Window

1M

📥

Input Price

per 1M tokens

$0.30

📤

Output Price

per 1M tokens

$2.50

🧠

Parameters

Undisclosed

🔒

Open Source

No

Best For

Fast reasoningcost-efficientmultimodal

About Gemini 2.5 Flash

Gemini 2.5 Flash is Google's fast and affordable model with built-in reasoning capabilities, designed for high-volume applications where speed and cost matter. Despite its 'Flash' designation indicating lighter weight, it packs impressive capabilities including native multimodal understanding and a 1 million token context window inherited from the Gemini architecture. The model features a hybrid approach where it can use quick pattern matching for simple queries and engage deeper thinking for complex ones. At $0.30 per million input tokens, it offers strong performance on coding, analysis, and general tasks at a competitive price point. Flash 2.5 is ideal for chatbots, content generation, and real-time applications where latency matters.

Pricing per 1M tokens

Input Tokens

$0.30

Output Tokens

$2.50

Compare Gemini 2.5 Flash

See how Gemini 2.5 Flash stacks up against other leading AI models

Gemini 2.5 Flash vs Gemini 2.5 ProCompare →Gemini 2.5 Flash vs Gemini 1.5 ProCompare →Gemini 2.5 Flash vs Gemini 2.0 FlashCompare →Gemini 2.5 Flash vs Gemini 1.5 FlashCompare →Gemini 2.5 Flash vs Gemma 2 27BCompare →

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Frequently Asked Questions

What is Gemini 2.5 Flash?▾
Gemini 2.5 Flash is Google's fast and affordable model with built-in reasoning capabilities, designed for high-volume applications where speed and cost matter. Despite its 'Flash' designation indicating lighter weight, it packs impressive capabilities including native multimodal understanding and a 1 million token context window inherited from the Gemini architecture. The model features a hybrid approach where it can use quick pattern matching for simple queries and engage deeper thinking for complex ones. At $0.30 per million input tokens, it offers strong performance on coding, analysis, and general tasks at a competitive price point. Flash 2.5 is ideal for chatbots, content generation, and real-time applications where latency matters.
How much does Gemini 2.5 Flash cost?▾
Input pricing for Gemini 2.5 Flash is $0.30 per million tokens; output runs $2.50. Token-based pricing means you can scale up or down without a fixed commitment.
What is Gemini 2.5 Flash's context window?▾
The context window for Gemini 2.5 Flash is 1M tokens. That's the maximum amount of text you can feed into a single prompt, including system instructions, conversation history, and the actual query.
Is Gemini 2.5 Flash open source?▾
Gemini 2.5 Flash is closed-source and accessible only via Google DeepMind's API. Proprietary models trade deployment flexibility for convenience — Google DeepMind handles the infrastructure.
What is Gemini 2.5 Flash best for?▾
The sweet spot for Gemini 2.5 Flash is: Fast reasoning, cost-efficient, multimodal. If your workload fits one of these categories, it's worth benchmarking against alternatives.