Google: Gemini 2.5 Flash

Google

Google: Gemini 2.5 Flash by Google costs $0.30 per 1M input tokens and $2.50 per 1M output tokens, with a 1M-token context window.

Pricing

Input (per 1M tokens)

$0.30

Output (per 1M tokens)

$2.50

Cached input (per 1M)

$0.03

Provider	Input / 1M	Output / 1M
openrouter	$0.30	$2.50
Google	$0.30	$2.50

Specifications

Provider: Google
Context window: 1M tokens
Parameters: —
Released: Jun 2025
Open weights: No
Frontier model: No

Benchmarks

Epoch Capabilities Index: 143.0
FrontierMath: 4.8
LMArena (Chatbot Arena) Elo: 1417.0
LMArena Vision Elo: 1235.5
SWE-bench Verified: 28.7

Speed & latency

Time to first token

0.37s

Output speed

188 tok/s

Fastest host: google (via vercel-ai-gateway).

Compare Google: Gemini 2.5 Flash with…

Google: Gemini 2.5 Flash vs gemini-2.5-flash-preview-09-2025$2.50/1M Google: Gemini 2.5 Flash vs Gemini 3.5 Flash Lite$2.50/1M Google: Gemini 2.5 Flash vs Kimi K2 Thinking$2.50/1M Google: Gemini 2.5 Flash vs Kimi K2.5$2.50/1M Google: Gemini 2.5 Flash vs Grok 4.3$2.50/1M Google: Gemini 2.5 Flash vs Grok 4.20 (Non-Reasoning)$2.50/1M

FAQ

How much does Google: Gemini 2.5 Flash cost?

Google: Gemini 2.5 Flash is priced at $0.30 per 1M input tokens and $2.50 per 1M output tokens. Output tokens cost more than input.

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

Google: Gemini 2.5 Flash supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.

Is Google: Gemini 2.5 Flash open weight?

No — Google: Gemini 2.5 Flash is a closed/proprietary model accessed via API.

Data as of 2026-10-15. Source: Pricing via OpenRouter API, openrouter.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.