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DeepSeek

DeepSeek V4 Pro

VS
xAI

Grok 4.3

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

⚖️ Editorial Verdict: In our analysis, DeepSeek V4 Pro is the premium intelligence choice, scoring 52.1% higher on coding benchmarks. However, this accuracy premium comes with a cost overhead: Grok 4.3 is 1.4x cheaper to run and delivers 5.3x faster throughput. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, Grok 4.3 offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of DeepSeek V4 Pro fully justifies the cost.

Model Specs

DeepSeek V4 Pro

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+)
52.1%
Reasoning (gpqa-diamond)
88%

Cost & Performance

Cost (per 1M tokens)
$2.17Input: $1.74 | Output: $3.48
Speed
39.7 tps
Context Window
1M tokens
Model Specs

Grok 4.3

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)Winner (+2.1%)
90.1%

Cost & Performance

Cost (per 1M tokens)1.4x cheaper
$1.56Input: $1.25 | Output: $2.50
Speed5.3x faster
209 tps
Context Window
1M tokens
Read our data collection methodology

Frequently Asked Questions

Grok 4.3 is cheaper than DeepSeek V4 Pro. Grok 4.3 has a blended cost of $1.56/1M tokens, which is about 1.4x cheaper than DeepSeek V4 Pro at $2.17/1M tokens.

Grok 4.3 is faster than DeepSeek V4 Pro. Grok 4.3 generates 209 tokens per second (tps) compared to DeepSeek V4 Pro which generates 39.7 tokens per second.

DeepSeek V4 Pro is better for coding tasks. It scores 52.1% on coding evaluations (swe-bench-pro) compared to Grok 4.3 which scores N/A.

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