Model comparison

Claude Opus 5 vs DeepSeek V4 Pro

Compare Claude Opus 5 vs DeepSeek V4 Pro API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.

Claude Opus 5

anthropic · claude-opus-5

Input
$5
Output
$25
Context
1M

DeepSeek V4 Pro

deepseek · deepseek-v4-pro

Input
$1.32
Output
$3.96
Context
1M

Quick take

DeepSeek V4 Pro has the lower input price at $1.32 per 1M input tokens. DeepSeek V4 Pro is cheaper for the example blended workload below. Claude Opus 5 has the larger context window at 1M tokens.

Choose Claude Opus 5 if...

  • Claude Opus 5 is required if images, screenshots, or visual documents are part of the workflow.

Choose DeepSeek V4 Pro if...

  • DeepSeek V4 Pro is the better default for cost-sensitive traffic and repeated high-volume calls.
  • DeepSeek V4 Pro gives more room for long generated answers, reports, or code output.

Example workload cost

Estimates use input tokens plus 20% output tokens. They exclude provider discounts, cache hits, and tool/search surcharges.

Workload Claude Opus 5 DeepSeek V4 Pro Cheaper
1M input + 200K output $10.00 $2.11 DeepSeek V4 Pro
10M input + 2M output $100.00 $21.12 DeepSeek V4 Pro
100M input + 20M output $1,000.00 $211.20 DeepSeek V4 Pro

Context, output, and capability fit

Claude Opus 5 provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.

Claude Opus 5 max output
128K
DeepSeek V4 Pro max output
384K
Claude Opus 5 features
prompt caching, function calling, vision
DeepSeek V4 Pro features
prompt caching, function calling

Risk notes for Claude Opus 5

  • High output price: cap max tokens for verbose generation workloads.

Risk notes for DeepSeek V4 Pro

  • No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.

Routing tags

frontierpremiumreasoningcodingagentslong-contextmultimodalcache-friendlyragopen-weightlocal-open

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