DeepSeek V4 Pro vs Grok 4 for customer support: which is better in 2026?

A head-to-head look at DeepSeek V4 Pro and Grok 4 for customer support. Benchmarks via artificialanalysis.ai, pricing as of May 2026. Compare AI models like these inside Admix.

Quick verdict

For customer support in May 2026, Grok 4 edges out DeepSeek V4 Pro on the speedTokPerSec metric. Snappy responses with web grounding for live answers.

Side-by-side specs

Spec	DeepSeek	Grok
Intelligence index	72.8	73.9
Coding index	74.5	70.2
Context window	256K tokens	256K tokens
Speed (tok/s)	120	198
Input $/M	$0.27	$3.00
Output $/M	$1.10	$15.00
Released	Mar 4, 2026	Jan 22, 2026

How they handle customer support

DeepSeek V4 Pro: Cheapest frontier-class pricing. The main caveat is weaker english creative writing.

Grok 4: Snappy responses with web grounding for live answers.

Cost per 1,000 queries

Assuming 1,500 input and 800 output tokens per query:

DeepSeek V4 Pro: $1.29 per 1,000 queries
Grok 4: $16.50 per 1,000 queries

Verdict by sub-task

Best raw quality on customer support:
Best price: DeepSeek V4 Pro
Longest context: DeepSeek V4 Pro
Fastest: Grok 4

FAQ

Is DeepSeek V4 Pro better than Grok 4 for customer support?

On May 2026 benchmarks (artificialanalysis.ai), Grok 4 ranks higher than DeepSeek V4 Pro for customer support on the speedTokPerSec metric. The gap is small enough that the choice often comes down to price, context length, and tone.

Which is cheaper, DeepSeek V4 Pro or Grok 4?

DeepSeek V4 Pro costs $0.27 input and $1.10 output per million tokens. Grok 4 costs $3.00 input and $15.00 output per million tokens.

Can I use both DeepSeek and Grok in one app?

Yes. Admix is a multi model AI chat aggregator that lets you run DeepSeek V4 Pro and Grok 4 side by side under one subscription.

Sources

Benchmarks from artificialanalysis.ai (May 2026).

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