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DeepSeek V4 Pro vs Grok 4.20

DeepSeek V4 Pro

DeepSeek

87#40
vs
Grok 4.20

xAI

89#29
Signal-by-Signal Comparison
SignalDeepSeek V4 ProDeltaGrok 4.20
Capabilities
67
-33
100
Benchmarks
88
+2
86
Pricing
99
+2
98
Context window size
96
-4
100
Recency
100
--
100
Output Capacity
93
+73
20
Overall Result
3 wins
of 6
2 wins
DeepSeek V4 Pro wins 3 of 6 signals

Score History

Score History (18 data points)
DeepSeek V4 ProGrok 4.20
DeepSeek V4 Pro

86.7

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 V4 Pro

DeepSeek

Best Value
Per request$0.000870
Daily$2.90
Monthly$87.00
Annual$1044.00

Grok 4.20

xAI

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

DeepSeek V4 Pro saves you $163.00/month

That's $1956.00/year compared to Grok 4.20 at your current usage level of 100K calls/month.

65% cheaper
Choose DeepSeek V4 Pro for cost optimization

DeepSeek V4 Pro pricing:
Input:$0.43/M tokens
Output:$0.87/M tokens
Grok 4.20 pricing:
Input:$1.25/M tokens
Output:$2.50/M tokens
DeepSeek V4 Pro

DeepSeek

87

Composite Score

Winner
Grok 4.20

xAI

89

Composite Score

Signal-by-Signal Comparison
MetricDeepSeek V4 ProGrok 4.20Winner
Overall Score
87
89
Grok 4.20
Rank#40#29
Grok 4.20
Quality Rank#40#29
Grok 4.20
Adoption Rank#40#29
Grok 4.20
Parameters------
Context Window1049K2000K
Grok 4.20
Pricing$0.43/$0.87/M$1.25/$2.50/M--
Signal Scores
Capabilities
67
100
Grok 4.20
Benchmarks
88
86
DeepSeek V4 Pro
Pricing
99
98
DeepSeek V4 Pro
Context window size
96
100
Grok 4.20
Recency
100
100
DeepSeek V4 Pro
Output Capacity
93
20
DeepSeek V4 Pro
Benchmark Head-to-Head(11 benchmarks)
DeepSeek V4: 4Grok 4.20: 0
DeepSeek V4
Grok 4.20
Normalized 0-100%
MMLU
-91.5%
MMLU-Pro
87.5%83.5%
GPQA Diamond
90.1%82%
MATH-500
-95%
HumanEval
-95.5%
SWE-bench Verified
80.6%70%
AIME 2024
-88%
IFEval
-91%
BBH
-90%
Arena Elo
14631462
LiveBench
-73%
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 V4 ProElite Tier

Scores 87/100 (rank #40), placing it in the top 87% 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

With only a 2-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose DeepSeek V4 Pro when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
  • 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 V4 ProBest Value
Input cost$0.43/M tokens
Output cost$0.87/M tokens
Cost per quality point$0.015
Est. monthly (1M tokens/day)$19.58
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 V4 Pro offers 65% better value per quality point. At 1M tokens/day, you'd spend $19.58/month with DeepSeek V4 Pro vs $56.25/month with Grok 4.20 - a $36.67 monthly difference.

Latency & Speed
DeepSeek V4 ProFaster
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 V4 Pro

Customer support chatbot

Suitable for user-facing chat with competitive response times. DeepSeek V4 Pro also offers lower per-token costs for high-volume support

DeepSeek V4 Pro

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 ($0.87/M) reduces costs when processing thousands of records daily

DeepSeek V4 Pro

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

DeepSeek V4 Pro and Grok 4.20 are extremely close in overall performance (only 2.0999999999999943 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

by DeepSeek

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 65% 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 V4 ProGrok 4.20
Vision (Image Input)differs
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

DeepSeek V4 Pro

DeepSeek

Best Value
$1.83
estimated monthly cost

Grok 4.20

xAI

$5.25
estimated monthly cost

DeepSeek V4 Pro saves you $3.42/month

That's 65% 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 V4 ProGrok 4.20
Context Window1.0M2M
Max Output Tokens384,000--
Open SourceYesNo
CreatedApr 24, 2026Mar 31, 2026
Last updated: 54m ago

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