Claude Opus 4.7 vs DeepSeek V4 Pro for reasoning: which is better in 2026?

A head-to-head look at Claude Opus 4.7 and DeepSeek V4 Pro for reasoning. Benchmarks via artificialanalysis.ai, pricing as of May 2026. Compare AI models like these inside Admix.

Quick verdict

For reasoning in May 2026, Claude Opus 4.7 edges out DeepSeek V4 Pro on the intelligenceIndex metric. Close second with stronger long-context reasoning.

Side-by-side specs

Spec	Claude	DeepSeek
Intelligence index	76.9	72.8
Coding index	82.3	74.5
Context window	1M tokens	256K tokens
Speed (tok/s)	88	120
Input $/M	$15.00	$0.27
Output $/M	$75.00	$1.10
Released	Apr 23, 2026	Mar 4, 2026

How they handle reasoning

Claude Opus 4.7: Close second with stronger long-context reasoning.

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

Cost per 1,000 queries

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

Claude Opus 4.7: $82.50 per 1,000 queries
DeepSeek V4 Pro: $1.29 per 1,000 queries

Verdict by sub-task

Best raw quality on reasoning:
Best price: DeepSeek V4 Pro
Longest context: Claude Opus 4.7
Fastest: DeepSeek V4 Pro

FAQ

Is Claude Opus 4.7 better than DeepSeek V4 Pro for reasoning?

On May 2026 benchmarks (artificialanalysis.ai), Claude Opus 4.7 ranks higher than DeepSeek V4 Pro for reasoning on the intelligenceIndex metric. The gap is small enough that the choice often comes down to price, context length, and tone.

Which is cheaper, Claude Opus 4.7 or DeepSeek V4 Pro?

Claude Opus 4.7 costs $15.00 input and $75.00 output per million tokens. DeepSeek V4 Pro costs $0.27 input and $1.10 output per million tokens.

Can I use both Claude and DeepSeek in one app?

Yes. Admix is a multi model AI chat aggregator that lets you run Claude Opus 4.7 and DeepSeek V4 Pro side by side under one subscription.

Sources

Benchmarks from artificialanalysis.ai (May 2026).

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