THE MATCHUP

Two models. All the angles.

Find the trade-offs that matter for what you’re building.

Test this pair

MODEL A

MODEL B

MODEL A

DeepSeek

DeepSeek V3

Strong performance. A lighter footprint.

Cost efficiencyMultilingualCode generation

Room for context128Ktokens

Reply paceQuick

Example reply$0.0008

MODEL B

Google

Gemini 2.5 Pro

A wide lens for ambitious ideas.

Multimodal tasksLong contextReasoning

Room for context1Mtokens

Reply paceSteady

Example reply$0.0063

Where they stand apart

Sample insights, shaped around your next decision.

MODEL B EDGE

For your next build

Gemini 2.5 leads the sample coding score by 2.5 points.

MODEL A EDGE

For a lighter API bill

DeepSeek V3 costs less in a sample request with 1,000 input and 500 output tokens.

MODEL B EDGE

For the hard questions

Gemini 2.5 has the higher illustrative reasoning score. Try your own prompt next.

FOR YOUR DAY-TO-DAY

A practical side-by-side

Mock capabilities

Illustrative model attributes, not verified specifications
What matters	DeepSeek V3	Gemini 2.5
Sample focus	Cost efficiency	Multimodal tasks
Example use cases	Everyday · Coding	Everyday · Writing · Reasoning
Text prompts	Supported	Supported
Image understanding	Text-only fixture	Included in fixture
Reply pace	Quick	Steady
Example reply cost	$0.0008	$0.0063

6 attributes shownAll capabilities and rates are UI fixtures.

The numbers behind the choice

Performance and price, together in one view.

THE PERFORMANCE PICTURE

Benchmarks, side by side.

DeepSeek V3Gemini 2.5UI sample / 100

General knowledgeDemo · Knowledge

86.5

91.1

Code generationDemo · Code

89.3

91.8

Complex reasoningDemo · Reasoning

74.8

84.2

Simulated scores · not real evaluations

THE COST OF AN ANSWER

API pricing

USD per 1 million tokensMock rates

Token type	DeepSeek V3	Gemini 2.5
InputYour prompt	$0.27	$1.25
OutputThe response	$1.10	$10.00
ContextMaximum window	128K	1M

A lower token price isn’t the whole story. Response length and your workload change the final cost.

Calculate for your workload

MAKE THE NUMBERS YOURS

What would it cost you?

Same workload. Two very different bills.

Input tokens / request

020,000

Output tokens / request

010,000

Requests / month

0100,000

ESTIMATED MONTHLY API COSTSimulation

DeepSeek V3LOWER COST

$8.20/month

Gemini 2.5 Pro

$62.50/month

DeepSeek V3 is 86.9% less for this sample workload. That’s $54.30 a month.

Illustrative, uncached text-token rates. Excludes taxes, retries and other provider charges. No payment is made.

Numbers tell part of the story.

Your prompt tells the rest.

Try them side by side