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DeepSeek V3 vs Grok 4.20

DeepSeek V3

DeepSeek

70#116
vs
Grok 4.20

xAI

89#29
Signal-by-Signal Comparison
SignalDeepSeek V3DeltaGrok 4.20
Capabilities
50
-50
100
Benchmarks
70
-16
86
Pricing
99
+2
98
Context window size
83
-17
100
Recency
28
-72
100
Output Capacity
70
+50
20
Overall Result
2 wins
of 6
4 wins
Grok 4.20 wins 4 of 6 signals

Score History

Score History (24 data points)
DeepSeek V3Grok 4.20
DeepSeek V3

69.5

current score

Leader

Grok 4.20

right now

Grok 4.20

88.8

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

Grok 4.20

xAI

Per request$0.002500
Daily$8.33
Monthly$250.00
Annual$3000.00

DeepSeek V3 saves you $189.97/month

That's $2279.70/year compared to Grok 4.20 at your current usage level of 100K calls/month.

76% cheaper
Choose DeepSeek V3 for cost optimization

DeepSeek V3 pricing:
Input:$0.20/M tokens
Output:$0.80/M tokens
Grok 4.20 pricing:
Input:$1.25/M tokens
Output:$2.50/M tokens
DeepSeek V3

DeepSeek

70

Composite Score

Winner
Grok 4.20

xAI

89

Composite Score

Signal-by-Signal Comparison
MetricDeepSeek V3Grok 4.20Winner
Overall Score
70
89
Grok 4.20
Rank#116#29
Grok 4.20
Quality Rank#116#29
Grok 4.20
Adoption Rank#116#29
Grok 4.20
Parameters------
Context Window164K2000K
Grok 4.20
Pricing$0.20/$0.80/M$1.25/$2.50/M--
Signal Scores
Capabilities
50
100
Grok 4.20
Benchmarks
70
86
Grok 4.20
Pricing
99
98
DeepSeek V3
Context window size
83
100
Grok 4.20
Recency
28
100
Grok 4.20
Output Capacity
70
20
DeepSeek V3
Benchmark Head-to-Head(13 benchmarks)
DeepSeek V3: 0Grok 4.20: 11
DeepSeek V3
Grok 4.20
Normalized 0-100%
MMLU
88.5%91.5%
MMLU-Pro
75.9%83.5%
GPQA Diamond
59.1%82%
MATH-500
90.2%95%
HumanEval
82.6%95.5%
SWE-bench Verified
42%70%
AIME 2024
39.2%88%
GSM8K
96.7%-
IFEval
87.1%91%
BBH
87.5%90%
Arena Elo
13181462
LiveBench
60.4%73%
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
Grok 4.20Elite Tier

Scores 89/100 (rank #29), placing it in the top 90% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Grok 4.20 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 Grok 4.20 when you need:

  • Processing long documents or large codebases (2000K 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
Grok 4.20
Input cost$1.25/M tokens
Output cost$2.50/M tokens
Cost per quality point$0.042
Est. monthly (1M tokens/day)$56.25

DeepSeek V3 offers 73% better value per quality point. At 1M tokens/day, you'd spend $15.00/month with DeepSeek V3 vs $56.25/month with Grok 4.20 - a $41.25 monthly difference.

Latency & Speed
DeepSeek V3Faster
Speed score0/100
Grok 4.20
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 (2000K tokens) can process longer documents, contracts, and research papers in a single pass

Grok 4.20

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 (89/100) correlates with better nuance, coherence, and style in long-form content

Grok 4.20

Image understanding & OCR

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

Grok 4.20
Which Should You Choose?
Our recommendation:
Grok 4.20

Grok 4.20 clearly outperforms DeepSeek V3 with a significant 19.299999999999997-point lead. For most general use cases, Grok 4.20 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 - 73% 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
Grok 4.20
Recommended

by xAI

Consider for specialized use cases.

Capability Comparison
CapabilityDeepSeek V3Grok 4.20
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

Grok 4.20

xAI

$5.25
estimated monthly cost

DeepSeek V3 saves you $3.93/month

That's 75% cheaper than Grok 4.20 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 V3Grok 4.20
Context Window164K2M
Max Output Tokens16,000--
Open SourceYesNo
CreatedDec 26, 2024Mar 31, 2026
Last updated: 56m ago

相关对比

DeepSeek V3 vs Grok 4.20 (2026) | LM Market Cap