DeepSeek V4.1 Flash vs Gemini 2.5 Pro

Price, context window & benchmark comparison

DeepSeek V4.1 Flash

DeepSeek

$0.14 / $0.42

Input / Output · per 1M tokens

Gemini 2.5 Pro

Google

$1.25 / $10.00

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4.1 Flash is 16.4× cheaper than Gemini 2.5 Pro on a typical 3:1 input/output mix. DeepSeek V4.1 Flash scores higher on the Artificial Analysis Intelligence Index (39.5 vs 16.1).

	DeepSeek V4.1 Flash	Gemini 2.5 Pro
Input price / 1M	$0.14	$1.25
Output price / 1M	$0.42	$10.00
Blended price (3:1)	$0.21	$3.44
Cached input / 1M	$0.0042	$0.13
Context window	1M	1M
Max output	131K	66K
Intelligence index	39.5	16.1
Coding index	—	33.3
Providers	26	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-09-10	2025-06-17
Retirement	—	2026-10-20

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4.1 Flash or Gemini 2.5 Pro?

DeepSeek V4.1 Flash is 16.4× cheaper than Gemini 2.5 Pro on a typical 3:1 input/output mix.

DeepSeek V4.1 Flash vs Gemini 2.5 Pro: which has a bigger context window?

DeepSeek V4.1 Flash: 1,048,576 tokens. Gemini 2.5 Pro: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $490.00, Gemini 2.5 Pro ≈ $7,500.

DeepSeek V4.1 Flash vs Gemini 2.5 Pro