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DeepSeek V3 vs Gemini 3 Flash Preview

DeepSeek V3

DeepSeek

70#116
vs
Signal-by-Signal Comparison
SignalDeepSeek V3DeltaGemini 3 Flash Preview
Capabilities
50
-50
100
Benchmarks
70
-16
87
Pricing
99
+2
97
Context window size
83
-13
96
Recency
28
-65
92
Output Capacity
70
-10
80
Overall Result
1 wins
of 6
5 wins
Gemini 3 Flash Preview wins 5 of 6 signals

Score History

Score History (24 data points)
DeepSeek V3Gemini 3 Flash Preview
DeepSeek V3

69.5

current score

Leader

Gemini 3 Flash Preview

right now

Gemini 3 Flash Preview

88.4

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

DeepSeek V3

DeepSeek

Best Value
Per request$0.000600
Daily$2.00
Monthly$60.02
Annual$720.30

Gemini 3 Flash Preview

Google

Per request$0.002000
Daily$6.67
Monthly$200.00
Annual$2400.00

DeepSeek V3 saves you $139.97/month

That's $1679.70/year compared to Gemini 3 Flash Preview at your current usage level of 100K calls/month.

70% cheaper
Choose DeepSeek V3 for cost optimization

DeepSeek V3 pricing:
Input:$0.20/M tokens
Output:$0.80/M tokens
Gemini 3 Flash Preview pricing:
Input:$0.50/M tokens
Output:$3.00/M tokens
DeepSeek V3

DeepSeek

70

Composite Score

Winner
Gemini 3 Flash Preview

Google

88

Composite Score

Signal-by-Signal Comparison
MetricDeepSeek V3Gemini 3 Flash PreviewWinner
Overall Score
70
88
Gemini 3 Flash Preview
Rank#116#37
Gemini 3 Flash Preview
Quality Rank#116#37
Gemini 3 Flash Preview
Adoption Rank#116#37
Gemini 3 Flash Preview
Parameters------
Context Window164K1049K
Gemini 3 Flash Preview
Pricing$0.20/$0.80/M$0.50/$3.00/M--
Signal Scores
Capabilities
50
100
Gemini 3 Flash Preview
Benchmarks
70
87
Gemini 3 Flash Preview
Pricing
99
97
DeepSeek V3
Context window size
83
96
Gemini 3 Flash Preview
Recency
28
92
Gemini 3 Flash Preview
Output Capacity
70
80
Gemini 3 Flash Preview
Benchmark Head-to-Head(14 benchmarks)
DeepSeek V3: 2Gemini 3: 8
DeepSeek V3
Gemini 3
Normalized 0-100%
MMLU
88.5%88%
MMLU-Pro
75.9%82%
GPQA Diamond
59.1%90.4%
MATH-500
90.2%88%
HumanEval
82.6%92%
SWE-bench Verified
42%78%
AIME 2024
39.2%-
GSM8K
96.7%-
IFEval
87.1%91%
BBH
87.5%89%
Arena Elo
13181474
LiveBench
60.4%74.5%
HLE
-33.7%
BigCodeBench
50%-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

DeepSeek V3Competitive

Scores 70/100 (rank #116), placing it in the top 60% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Gemini 3 Flash PreviewElite Tier

Scores 88/100 (rank #37), placing it in the top 88% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Gemini 3 Flash Preview has a 19-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose DeepSeek V3 when you need:

  • High-volume production workloads where API costs must be minimized
  • Self-hosted deployments where you need full control over the model

Choose Gemini 3 Flash Preview when you need:

  • Processing long documents or large codebases (1049K token context)
  • Multimodal workflows that require image understanding
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
DeepSeek V3Best Value
Input cost$0.20/M tokens
Output cost$0.80/M tokens
Cost per quality point$0.014
Est. monthly (1M tokens/day)$15.00
Gemini 3 Flash Preview
Input cost$0.50/M tokens
Output cost$3.00/M tokens
Cost per quality point$0.040
Est. monthly (1M tokens/day)$52.50

DeepSeek V3 offers 71% better value per quality point. At 1M tokens/day, you'd spend $15.00/month with DeepSeek V3 vs $52.50/month with Gemini 3 Flash Preview - a $37.50 monthly difference.

Latency & Speed
DeepSeek V3Faster
Speed score0/100
Gemini 3 Flash Preview
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

DeepSeek V3

Customer support chatbot

Suitable for user-facing chat with competitive response times. DeepSeek V3 also offers lower per-token costs for high-volume support

DeepSeek V3

Long document analysis

Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass

Gemini 3 Flash Preview

Batch data extraction

Lower output pricing ($0.80/M) reduces costs when processing thousands of records daily

DeepSeek V3

Creative writing & content

Higher overall composite score (88/100) correlates with better nuance, coherence, and style in long-form content

Gemini 3 Flash Preview

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Gemini 3 Flash Preview
Which Should You Choose?
Our recommendation:
Gemini 3 Flash Preview

Gemini 3 Flash Preview clearly outperforms DeepSeek V3 with a significant 18.900000000000006-point lead. For most general use cases, Gemini 3 Flash Preview is the stronger choice. However, DeepSeek V3 may still excel in niche scenarios.

by DeepSeek

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 71% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by Google

Consider for specialized use cases.

Capability Comparison
CapabilityDeepSeek V3Gemini 3 Flash Preview
Vision (Image Input)differs
Function Calling
Streaming
JSON Mode
Reasoningdiffers
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

DeepSeek V3

DeepSeek

Best Value
$1.32
estimated monthly cost

Gemini 3 Flash Preview

Google

$4.50
estimated monthly cost

DeepSeek V3 saves you $3.18/month

That's 71% cheaper than Gemini 3 Flash Preview at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterDeepSeek V3Gemini 3 Flash Preview
Context Window164K1.0M
Max Output Tokens16,00065,535
Open SourceYesNo
CreatedDec 26, 2024Dec 17, 2025
Last updated: 54m ago

相关对比

DeepSeek V3 vs Gemini 3 Flash Preview (2026) | LM Market Cap