Is Gemini 2.5 Flash available on FastMetal?

Not at the moment. GLM 5.3 Flash, from the same lab, is available on the FastMetal API today.

What is the context window of Gemini 2.5 Flash?

1,048,576 tokens, shared between the prompt and the response.

google/gemini-2-5-flash

Not Available

Gemini 2.5 Flash

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).

6/17/2025

1,048,576 tokens

Specifications

Modalities

Input

file

image

text

audio

video

Output

text

Supported Parameters

include_reasoning

max_tokens

reasoning

response_format

seed

stop

structured_outputs

temperature

tool_choice

tools

top_p

Max Output Tokens

65,535

Frequently asked questions

Is Gemini 2.5 Flash available on FastMetal?: Not at the moment. GLM 5.3 Flash, from the same lab, is available on the FastMetal API today.
What is the context window of Gemini 2.5 Flash?: 1,048,576 tokens, shared between the prompt and the response.

Models you can use on FastMetal