Google

Gemini 2.5 Flash (batch)

by Googletext+image+file+audio+video->text1 endpoint

Overview

Gemini 2.5 Flash is Google's state-of-the-art workhorse model, specifically designed for advanced reasoning, coding, mathematics, and scientific tasks. It includes built-in "thinking" capabilities, enabling it to provide responses with greater accuracy and nuanced context handling.

Additionally, Gemini 2.5 Flash is configurable through the "max tokens for reasoning" parameter, as described in the documentation (https://openrouter.ai/docs/use-cases/reasoning-tokens#max-tokens-for-reasoning).

Capabilities

Text generation
Image understanding
Audio processing
Video understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
File input
Top-P sampling
Stop sequences
Deterministic seed

Modalities

Input
FileImageTextAudioVideo
Output
Text

Technical Specifications

Context Window
1.0M tokens
Max Output
65.5K tokens
Knowledge Cutoff
2025-01-31
Tokenizer
Gemini

Supported Parameters

include_reasoningmax_tokensreasoningresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_p

Pricing

Per 1M tokens
Input$0.15
Output$1.25
Cache read$0.03
Audio$0.50
Reasoning$1.25
Image$0.15
Added
June 17, 2025
Last synced 9/18/2026