All Models

Google Gemini 2.5 Flash

gemini-flash Reasoning Tool Calling Attachments

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).

Providers 2
Released Jun 17, 2025
Input Modalities text, image, audio, pdf, video
Output Modalities text
Tarsk Use coding

Benchmarks

20.6
Intelligence Index
17.8
Coding Index
60.3
Math Index

Available Providers (2)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Helicone gemini-2.5-flash $0.30/MTok $2.50/MTok 1.0M 65.5K
Kilo Gateway google/gemini-2.5-flash $0.30/MTok $2.50/MTok 1.0M 65.5K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output