What is Google: Gemini 2.5 Flash's context window?

Google: Gemini 2.5 Flash supports a context window of 1,048,576 tokens, allowing you to process large documents and maintain long conversations.

How to use Google: Gemini 2.5 Flash API via Ofox?

Simply set your base URL to https://api.ofox.io/v1 and use your Ofox API key. The API is OpenAI-compatible — just change the base URL and API key in your existing code.

Google: Gemini 2.5 Flash

Name: Google: Gemini 2.5 Flash
Brand: google
Price: 0.3 USD
Availability: InStock

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google/gemini-2.5-flash

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Gemini 2.5 Flash is Google's fast, cost-efficient model in the Gemini 2.5 family, released on 2025-06-17. It pairs toggleable reasoning with full multimodal input — images, audio, video, and PDFs — so a single endpoint covers everything from quick classification to document analysis. It also supports function calling, prompt caching, and web search, delivering Gemini 2.5 quality at a fraction of the Pro tier's cost. Context window: 1M tokens, output: 64K. Available via OpenAI and Gemini protocols through Ofox.

Context Window

Max Output Tokens

66K

Released

2025-06-17

Capabilities

VisionFunction CallingReasoningPrompt CachingWeb SearchAudio InputVideo InputPDF Input

Available Providers

Vertex

Supported Protocols

openaigemini

Providers

Vertexprovider.type: "google_vertex"

Input Tokens

$0.3/M

Output Tokens

$2.5/M

Cache Read

$0.03/M

Cache Write

$1/M

Audio Input

$1/M

Cached Audio

$0.1/M

Web Search

$0.035/R

Protocols

openai/v1/chat/completions

gemini

Playground

Open in OfoxChat

Code Examples

from google import genai

client = genai.Client(
    api_key="YOUR_OFOX_API_KEY",
    http_options={"api_version": "v1beta", "base_url": "https://api.ofox.io/gemini"},
)

response = client.models.generate_content(
    model="google/gemini-2.5-flash",
    contents="Hello!",
)

print(response.text)

Uptime & Status

Benchmarks

LMArena ↗Evaluated as gemini-2.5-flash

Google: Gemini 2.5 Flash scores 1410 in the Overall category of the LMArena text leaderboard (style control), ranking #115 of 374 models based on 124,376 human preference votes (updated 2026-07-12).

Benchmark scores for gemini-2.5-flash on LMArena
Category	95% CI	Rank	Votes
Overall	1408–1413	#115 of 374	124,376
Hard Prompts	1416–1423	#125 of 374	63,791
Coding	1419–1428	#153 of 369	25,879
Math	1399–1412	#114 of 362	7,871
Creative Writing	1391–1402	#82 of 372	17,318
Instruction Following	1397–1405	#112 of 374	33,903
Chinese	1436–1452	#108 of 344	6,418

Source: LMArena · CC BY 4.0 · Updated 2026-07-12 · Methodology ↗ · Ranks compare models within each category of the LMArena text leaderboard (style control). Scores come from third-party human preference evaluations, not from OFOX.