Name: deepseek-ai/DeepSeek-R1
Author: deepseek-ai

Question 1

What does this deepseek-ai/DeepSeek-R1 vs deepseek-ai/DeepSeek-V4-Flash comparison cover?

Accepted Answer

It brings together documented inputs and outputs, token limits, deployment terms and available pricing. When both models have source-linked, verified results on a shared benchmark, those results are shown with their individual sources. The comparison is a starting point for evaluating your own workload.

Question 2

Which is cheaper: deepseek-ai/DeepSeek-R1 or deepseek-ai/DeepSeek-V4-Flash?

Accepted Answer

The available pricing does not establish a comparable input and output token rate for both models. Check the billing unit and selected host in each profile. Images, speech, video and local inference can have different cost structures.

Question 3

Which has the larger context window: deepseek-ai/DeepSeek-R1 or deepseek-ai/DeepSeek-V4-Flash?

Accepted Answer

deepseek-ai/DeepSeek-R1 lists 128K tokens and deepseek-ai/DeepSeek-V4-Flash lists 1M. deepseek-ai/DeepSeek-V4-Flash therefore has the larger recorded context window, but capacity alone is not a quality score.

Question 4

Which is faster: deepseek-ai/DeepSeek-R1 or deepseek-ai/DeepSeek-V4-Flash?

Accepted Answer

There is no matched speed measurement for both models with the same source, host, region and date. Test the same prompts at your expected concurrency and measure time to the first useful response as well as complete task time.

Question 5

What input and output types do deepseek-ai/DeepSeek-R1 and deepseek-ai/DeepSeek-V4-Flash support?

Accepted Answer

deepseek-ai/DeepSeek-R1 records text input and text output. deepseek-ai/DeepSeek-V4-Flash records text input and text output. “Not documented” means the current source record is incomplete; it does not prove that a modality is unsupported.

Question 6

Should I choose deepseek-ai/DeepSeek-R1 or deepseek-ai/DeepSeek-V4-Flash?

Accepted Answer

Consider deepseek-ai/DeepSeek-V4-Flash if you need larger context or larger maximum output. Test both on the same representative examples and judge the output against your acceptance criteria. Include tool failures, retries and the time to a completed task.

Specification	deepseek-ai/DeepSeek-R1	deepseek-ai/DeepSeek-V4-Flash
Provider	deepseek-ai	deepseek-ai
Listed pricing route	deepseek-ai	deepseek-ai
Model family	—	—
Accepted inputs	text	text
Produced outputs	text	text
Context window	128K	1MHigher
Max output	32.77K	384KHigher
Input price / 1M	—	$0.14
Output price / 1M	—	$0.28
Reasoning mode	Documented	Documented
Tool calling	Documented	Documented
Image input	Not documented	Not documented
Audio input	Not documented	Not documented
Structured output	Not documented	Not documented
License	Not documented	Not documented

deepseek-ai/DeepSeek-R1 vs deepseek-ai/DeepSeek-V4-Flash

deepseek-ai/DeepSeek-R1

deepseek-ai/DeepSeek-V4-Flash

Key differences

Pricing, limits and capabilities

Which model should you choose?

Documentation and model profiles

Questions people ask

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