AI Calculator Pro

Claude Sonnet 5 vs DeepSeek V4 Pro

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, DeepSeek V4 Pro is cheaper by about $535.00/month.

Claude Sonnet 5DeepSeek V4 Pro
Intelligence
Arena · Overall(LMArena Elo — higher is better)14431445✓
Arena rank (overall)#45#43✓
Arena · Coding1540✓1447
Arena · Math & reasoning1410✓1395
Arena · Agentic / tool use1418✓1380
Score evidenceMeasuredMeasured
Pricing (USD / 1M tokens)
Input$2.00$0.6600✓
Output$10.00$1.98✓
Cached input (read)$0.2000$0.0220✓
Cache write$2.50✓—
Blended(3:1 input:output blend)$4.00$0.9900✓
Specs & capabilities
ProviderAnthropicDeepSeek
Context window1M (1,000,000)1M (1,000,000)
Max output64,000✓8,192
Modalitiestext, imagetext
VisionYesNo
Tool useYesYes
ReasoningYesYes
Prompt cachingYesYes
Batch pricingYesNo
Tokenizerclaudeapprox
Release date——
Statusgaga

Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 2 November 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.

Compare on your own workload

Claude Sonnet 5 and DeepSeek V4 Pro are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.

Used unless you set active users below.

Results update automatically as you type.

Result
Cheapest: DeepSeek V4 Pro at $165.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
DeepSeek V4 ProDeepSeek$0.00165$165.00$1,980.001,000,000
Claude Sonnet 5Anthropic$0.00700$700.00$8,400.001,000,000

FAQ

Which is cheaper, Claude Sonnet 5 or DeepSeek V4 Pro?

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, DeepSeek V4 Pro is cheaper, costing about $165.00/month versus $700.00/month.

What is the context window of Claude Sonnet 5 and DeepSeek V4 Pro?

Claude Sonnet 5 supports 1,000,000 tokens, while DeepSeek V4 Pro supports 1,000,000 tokens.

Estimates for planning only. Verify current pricing with each provider.