Is DeepSeek V4 Flash Vision Exp better than DeepSeek V4 Pro 0813?

On accuracy they are statistically tied: DeepSeek V4 Flash Vision Exp scored 71.2% and DeepSeek V4 Pro 0813 71.2% on the same 80 questions from open datasets. Similar accuracy; DeepSeek V4 Flash Vision Exp costs less per question.

Which is cheaper, DeepSeek V4 Flash Vision Exp or DeepSeek V4 Pro 0813?

DeepSeek V4 Flash Vision Exp is cheaper: $0.0011 per question as billed, against $0.0036. List prices: DeepSeek V4 Flash Vision Exp $0.2156 in / $0.6468 out, DeepSeek V4 Pro 0813 $1.32 in / $3.96 out per million tokens.

Which is faster, DeepSeek V4 Flash Vision Exp or DeepSeek V4 Pro 0813?

DeepSeek V4 Flash Vision Exp is faster at 170 output tokens per second, against 56. Time to first token: 0.7 s for DeepSeek V4 Flash Vision Exp, 0.8 s for DeepSeek V4 Pro 0813.

Which has the larger context window, DeepSeek V4 Flash Vision Exp or DeepSeek V4 Pro 0813?

Both accept about the same amount of context: 1M and 1M tokens.

Head to head · tested 27 Oct 2026

DeepSeek V4 Flash Vision Exp vs DeepSeek V4 Pro 0813: accuracy, speed and price

Similar accuracy; DeepSeek V4 Flash Vision Exp costs less per question.

DeepSeekDeepSeek V4 Flash Vision Exp71.2% score · #24$0.0011 per question170 tok/s

DeepSeekDeepSeek V4 Pro 081371.2% score · #24$0.0036 per question56 tok/s

Verdict

Built from the measurements below

Accuracy is too close to call: DeepSeek V4 Flash Vision Exp scored 71.2% and DeepSeek V4 Pro 0813 71.2% on the same 80 questions, a gap within what chance alone could produce.
DeepSeek V4 Flash Vision Exp is 3.4× cheaper per question as billed ($0.0011 vs $0.0036), reasoning tokens included.
DeepSeek V4 Flash Vision Exp generates text 3.0× faster: 170 tokens per second against 56.

Which should you choose?

Choose DeepSeek V4 Flash Vision Exp for the lower cost per correct answer ($0.0015 against $0.0051) and faster streaming. Choose DeepSeek V4 Pro 0813 for more hosts to choose from on OpenRouter (23 against 3). The widest subject gap is in law: DeepSeek V4 Pro 0813 answered 4 of 6 correctly, DeepSeek V4 Flash Vision Exp 2 of 6. With so few questions per subject, treat this as a lead to test on your own prompts, not a result.

Accuracy gap +0.0 points (z = 0.00). A winner is called only when z is at least 1.96, the usual 95% threshold. Speed, latency and price need a 10% margin.

Head to head

Same questions, same prompt, same API

Measure	DeepSeek V4 Flash Vision Exp	DeepSeek V4 Pro 0813	Edge
Verification scoreHigher is better	71.2%	71.2%	Too close to call
Cost per questionLower is better	$0.0011	$0.0036	DeepSeek V4 Flash Vision Exp
Output speedHigher is better	170	56	DeepSeek V4 Flash Vision Exp
Time to first tokenLower is better	0.7 s	0.8 s	Similar
End-to-end response timeLower is better	3.2 s	10.1 s	DeepSeek V4 Flash Vision Exp
Tokens per questionLower is better	1,301	1,318	Similar
Context windowHigher is better	1M	1M	Similar

Side by side

Bars are scaled to the larger of the two values. The winner on each measure is marked in bold.

Every measure

DeepSeek V4 Flash Vision Exp first, DeepSeek V4 Pro 0813 second

Verification scorehigher is better

DeepSeek V4 Flash Vision Exp71.2%

DeepSeek V4 Pro 081371.2%

Cost per questionlower is better

DeepSeek V4 Flash Vision Exp$0.0011

DeepSeek V4 Pro 0813$0.0036

Output speedhigher is better

DeepSeek V4 Flash Vision Exp170

DeepSeek V4 Pro 081356

Time to first tokenlower is better

DeepSeek V4 Flash Vision Exp0.7 s

DeepSeek V4 Pro 08130.8 s

End-to-end response timelower is better

DeepSeek V4 Flash Vision Exp3.2 s

DeepSeek V4 Pro 081310.1 s

Tokens per questionlower is better

DeepSeek V4 Flash Vision Exp1,301

DeepSeek V4 Pro 08131,318

Context windowhigher is better

DeepSeek V4 Flash Vision Exp1M

DeepSeek V4 Pro 08131M

Score vs. cost per question

Both models in color, every other model in grey

Results by subject and dataset

Questions answered correctly. Small samples: a gap of one or two questions is noise.

Subject	Questions	DeepSeek V4 Flash Vision Exp	DeepSeek V4 Pro 0813
Science	30	25/30	25/30
Engineering	15	10/15	8/15
Medicine	11	4/11	4/11
Economics	9	8/9	8/9
Law	6	2/6	4/6
Humanities & social science	9	8/9	8/9
SuperGPQA dataset	50	31/50	30/50
MMLU-Pro dataset	30	26/30	27/30

Specifications and pricing

From OpenRouter's catalogue, plus the leaderboard's test dates

Specification	DeepSeek V4 Flash Vision Exp	DeepSeek V4 Pro 0813
Creator	DeepSeek	DeepSeek
Released	21 Aug 2026	12 Aug 2026
Weights	Open weights	Open weights
Reasoning	Yes	Yes
Input	text, image	text
Output	text	text
Context window	1M tokens	1M tokens
Knowledge cutoff	—	—
List price in / out per 1M	$0.2156 / $0.6468	$1.32 / $3.96
Blended price per 1M (3:1)	$0.32	$1.98
Cheapest host	DeepInfra · $0.2156 / $0.6468	Baidu · $0.13992 / $0.41976
Hosts on OpenRouter	3	23
Last tested	26 Oct 2026	26 Oct 2026

Compare any two models →

DeepSeek V4 Flash Vision Exp vs DeepSeek V4 Pro 0813: frequently asked questions

Is DeepSeek V4 Flash Vision Exp better than DeepSeek V4 Pro 0813?: On accuracy they are statistically tied: DeepSeek V4 Flash Vision Exp scored 71.2% and DeepSeek V4 Pro 0813 71.2% on the same 80 questions from open datasets. Similar accuracy; DeepSeek V4 Flash Vision Exp costs less per question.
Which is cheaper, DeepSeek V4 Flash Vision Exp or DeepSeek V4 Pro 0813?: DeepSeek V4 Flash Vision Exp is cheaper: $0.0011 per question as billed, against $0.0036. List prices: DeepSeek V4 Flash Vision Exp $0.2156 in / $0.6468 out, DeepSeek V4 Pro 0813 $1.32 in / $3.96 out per million tokens.
Which is faster, DeepSeek V4 Flash Vision Exp or DeepSeek V4 Pro 0813?: DeepSeek V4 Flash Vision Exp is faster at 170 output tokens per second, against 56. Time to first token: 0.7 s for DeepSeek V4 Flash Vision Exp, 0.8 s for DeepSeek V4 Pro 0813.
Which has the larger context window, DeepSeek V4 Flash Vision Exp or DeepSeek V4 Pro 0813?: Both accept about the same amount of context: 1M and 1M tokens.