💰 Unit Cost Winner DeepSeek V4 Pro $1.32/1M in · $3.96/1M out
⚡ Latency & Speed Winner Grok 4 480ms TTFT · 95 tok/s
💻 Coding (SWE) Winner DeepSeek V4 Pro 80.6% SWE-bench · 94.5% HumanEval
🧠 STEM Reasoning Winner DeepSeek V4 Pro 90.1% GPQA · 97.3% MATH-500

Which model is better: DeepSeek V4 Pro or Grok 4?

DeepSeek V4 Pro is 47.2% cheaper for input tokens ($1.32 vs. $2.50 per 1M tokens) and $3.96 vs. $12.50 for output tokens (1.9x cost advantage). In terms of operational performance, Grok 4 delivers lower response latency at 480ms TTFT (40ms faster than DeepSeek V4 Pro) with 95 vs. 78 tok/s throughput. DeepSeek V4 Pro leads coding evaluations at 80.6% SWE-bench Verified vs. 73.2% for Grok 4 and 90.1% vs. 86.2% on GPQA Diamond.
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta (12 Dimensions)

Daily synchronized metrics across token pricing, prompt cache economics, latency, throughput, and 5 capability benchmarks.

Metric / Dimension DeepSeek V4 Pro Grok 4 Net Delta / Advantage
Input Cost / 1M Tokens $1.32 $2.50 DeepSeek V4 Pro is 1.9x cheaper
Output Cost / 1M Tokens $3.96 $12.50 DeepSeek V4 Pro (68.3% lower)
Prompt Cache Read / 1M $0.145 $0.500 DeepSeek V4 Pro is 3.4x cheaper
Prompt Cache Write / 1M $1.32 $2.50 DeepSeek V4 Pro is 1.9x cheaper
Context Window (Max Output) 1,024k (128k out) 262k (66k out) DeepSeek V4 Pro (3.9x larger context)
Avg TTFT Response Latency 520ms 480ms Grok 4 (40ms faster)
Generation Speed (Throughput) 78 tok/s 95 tok/s Grok 4 (+17 tok/s faster)
SWE-bench Verified (Coding) 80.6% 73.2% DeepSeek V4 Pro (+7.4% lead)
GPQA Diamond (PhD STEM) 90.1% 86.2% DeepSeek V4 Pro (+3.9% lead)
MMLU-Pro (Multi-Discipline) 88.4% 89.9% Grok 4 (+1.5% lead)
MATH-500 (Quantitative Logic) 97.3% 97.6% Grok 4 (+0.3% lead)
Inference Value Score (IVR) 67 / 100 57.6 / 100 DeepSeek V4 Pro (+9.4 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.

25.0M Tokens
500K 50M 250M 500M+
5.0M Tokens
100K 25M 75M 150M+
50% Cached
0% (Uncached) 25% 50% (Typical Agent) 95% Max

Estimated Monthly Spend

DeepSeek V4 Pro $38.11

$1.32/1M in · $3.96/1M out

Prompt Cache: $0.145/1M read · $1.32/1M write

Grok 4 $100.00

$2.50/1M in · $12.50/1M out

Prompt Cache: $0.500/1M read · $2.50/1M write

Projected Monthly Cost Reduction
$61.89 / mo
(61.9% lower cost with DeepSeek V4 Pro)
Open Full Matchup Analysis →
A

When to Choose DeepSeek V4 Pro

Choose DeepSeek V4 Pro (DeepSeek) for open-weight 1.6T MoE powerhouse designed for cost-effective full-repository code generation, mathematical reasoning, and persistent chain-of-thought multi-step agent workflows — offering a 1,024k context window, 520ms TTFT, and $1.32/1M input pricing ($0.145/1M cached reads).

B

When to Choose Grok 4

Choose Grok 4 (xAI) for real-time financial/market intelligence, PhD-level STEM problem solving, and autonomous code generation — offering a 262k context window, 480ms TTFT, and $2.50/1M input pricing ($0.500/1M cached reads).

Related Questions & Decision Factors

Which is cheaper: DeepSeek V4 Pro or Grok 4?

DeepSeek V4 Pro is cheaper at $1.32/1M input tokens ($3.96/1M output) compared to $2.50/1M input ($12.50/1M output) for Grok 4.

Which model has lower TTFT latency and higher tok/s throughput: DeepSeek V4 Pro or Grok 4?

Grok 4 delivers faster first-token latency at 480ms TTFT (95 tok/s throughput) compared to 520ms TTFT (78 tok/s) for DeepSeek V4 Pro.

How do DeepSeek V4 Pro and Grok 4 compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, DeepSeek V4 Pro scores 80.6% versus 73.2% for Grok 4. On GPQA Diamond graduate-level STEM reasoning, DeepSeek V4 Pro scores 90.1% versus 86.2% for Grok 4 (and 97.3% vs 97.6% on MATH-500).

When should you choose DeepSeek V4 Pro?

Choose DeepSeek V4 Pro (DeepSeek) for open-weight 1.6T MoE powerhouse designed for cost-effective full-repository code generation, mathematical reasoning, and persistent chain-of-thought multi-step agent workflows — offering a 1,024k context window, 520ms TTFT, and $1.32/1M input pricing ($0.145/1M cached reads).

When should you choose Grok 4?

Choose Grok 4 (xAI) for real-time financial/market intelligence, PhD-level STEM problem solving, and autonomous code generation — offering a 262k context window, 480ms TTFT, and $2.50/1M input pricing ($0.500/1M cached reads).

Explore High-Priority Related Model Matchups