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Cost and performance comparison

DeepSeek V3 vs Gemini 2.0 Flash

Model ADeepSeek

DeepSeek V3

Capability score (editorial)84/100
Cost / 1M Tokens
$0.52
70% in · 30% out mix
Value Index (score÷cost)
158.7
Higher = better value
Speed
85/100
Context
128K
Tier
Fast Tier

Last list price before the model was retired.

Across the 25 languages we measured, it needs about 21% more tokens than OpenAI's for the same text. Costs by language

How we verify prices

Model BGoogle

Gemini 2.0 Flash

Capability score (editorial)81/100
Cost / 1M Tokens
$0.19
70% in · 30% out mix
Value Index (score÷cost)
444.1
Higher = better value
Speed
99/100
Context
1.0M
Tier
Fast Tier

Last list price before the model was retired.

How we verify prices

In-depth analysis

DeepSeek V3 vs Gemini 2.0 Flash: Detailed Comparison

DeepSeek V3 is DeepSeek's lightweight-tier language model with a 128K-token context window, excelling at data extraction. Gemini 2.0 Flash from Google is a lightweight-tier model supporting 1.0M tokens in context, with standout performance in data extraction.

DeepSeek V3 costs 2.9x what Gemini 2.0 Flash does for the same text. That is a steep premium, and it buys a 9-point lead on combined coding and reasoning. Whether that trade is worth it depends entirely on how much of your traffic actually needs the harder model — for most workloads the honest answer is a small fraction of it, which is an argument for routing rather than for picking one. DeepSeek V3 is priced at $0.27/M input tokens and $1.10/M output tokens. Gemini 2.0 Flash costs $0.10/M input and $0.40/M output.

DeepSeek V3 turns the same text into about 6% more tokens than Gemini 2.0 Flash, because their tokenizers differ — so comparing list prices per token understates what DeepSeek V3 costs. For the same text, split 70% input and 30% output and counted the way OpenAI's tokenizer counts it, DeepSeek V3 works out at about $0.53 per million tokens and Gemini 2.0 Flash at $0.18. Every cost figure on this page includes that difference.

On iOPTERA's editorial scores, DeepSeek V3 leads with 84/100 for coding and 84/100 for reasoning, against Gemini 2.0 Flash's 78/100 and 81/100.

Capability breakdown

Across the five core benchmark categories, here is how DeepSeek V3 and Gemini 2.0 Flash stack up head to head:

coding
84
78
reasoning
84
81
data extraction
86
92
creative tasks
83
80
vision/multimodal
0
88

Best model by task

  • coding: DeepSeek V3 wins with 84/100
  • reasoning: DeepSeek V3 wins with 84/100
  • data extraction: Gemini 2.0 Flash wins with 92/100
  • creative tasks: DeepSeek V3 wins with 83/100
  • vision/multimodal: Gemini 2.0 Flash wins with 88/100

Estimated monthly cost at scale

For 10M + 2M tokens of text a month (counted the way OpenAI's tokenizer counts), DeepSeek V3 runs about $5.00 while Gemini 2.0 Flash runs about $1.73 — Gemini 2.0 Flash saves roughly $3.27 (65%) every month.

What actually decides it

DeepSeek V3 and Gemini 2.0 Flash come from different labs, which means different tokenizers, different API shapes, and a second vendor relationship. The same English text does not produce the same token count on both, so a price-per-million comparison understates the difference — measure your own prompts on each before treating the headline rates as the full story.

Gemini 2.0 Flash and DeepSeek V3 were released within 2 months of each other, so they are competing on the same evaluations under roughly the same conditions. That makes a direct benchmark comparison meaningful here in a way it usually is not — neither model has the advantage of being measured on a newer, easier set of tests.

The context gap is the largest single difference on this pair: Gemini 2.0 Flash takes 1.0M tokens against 128K for DeepSeek V3, roughly 7.8x. That is the difference between feeding in a whole repository or a full contract set and having to chunk it. If your work involves documents you cannot split cleanly, this decides it on its own.

Throughput is close enough to ignore — 99/100 versus 85/100. Neither model will feel noticeably quicker in an interactive product, so latency is not a reason to choose between them.

DeepSeek V3 is 2.9x the price of Gemini 2.0 Flash. Reserve it for the requests that actually need it and route the rest to Gemini 2.0 Flash — that hybrid beats either model used alone on cost per useful answer.

Capability scores

iOPTERA editorial scores across 5 categories — informed by public benchmarks, not measured by us

CategoryDeepSeek V3Gemini 2.0Winner

Coding

84
78
A

Reasoning

84
81
A

Extraction

86
92
B

Creative

83
80
A

Vision

0
88
B
DeepSeek V3: 3 wins
Gemini 2.0 Flash: 2 wins
DeepSeek V3 leads overall

Speed Score

85/100vs99/100
DeepSeekGemini

Context Window

128Kvs1000K
DeepSeekGemini

What Is a Token?

Models don't read words — they process tokens.

A token is roughly 4 characters of English text (~¾ of a word). Your API bill is priced per million tokens — understanding this directly reduces your costs.

Short phrase

"Hello, world!"

4 tokens
DeepSeek V3
$0.11
Gemini 2.0 Flash
$0.04

Business email

One typical email (~200 words)

~270 tokens
DeepSeek V3
$7.44
Gemini 2.0 Flash
$2.59

Code file

50-line Python script

~400 tokens
DeepSeek V3
$11.02
Gemini 2.0 Flash
$3.84

Prices shown are for 100,000 runs of each workload — one run costs a fraction of a cent on both DeepSeek V3 and Gemini 2.0 Flash, so the number only becomes meaningful at production volume. Input tokens only; add your output volume in the calculator below.

How to check your token usage

response.usage.total_tokens

Every API response includes a usage object. Sum total_tokens across all calls to get your monthly figure, then use the calculator below.

Your Cost Calculator

Enter your actual monthly token usage to see real savings

Quick Presets

30M tokens
Prompt 70%Completion 30%

DeepSeek V3

$15.88/mo

$190.58/yr

$0.27/M input$1.10/M output
Cheaper

Gemini 2.0 Flash

$5.47/mo

$65.66/yr

$0.10/M input$0.40/M output

Annual Savings

$124.91 saved per year

Gemini 2.0 Flash cheaper · $10.41/mo

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