Directory · Model comparison

Claude Sonnet 5 vs DeepSeek-V4-Pro

Side-by-side API economics and benchmarks. Per-1M input and output rates, context window, and verified metrics.

Tale of the tape

Head-to-head specs pulled from each model profile.

Metric Claude Sonnet 5 DeepSeek-V4-Pro
Input cost / 1M $2.00 $1.32
Output cost / 1M $10.00 $3.96
Context window 1,000,000 tokens 1,000,000 tokens
MMLU score

Cost verdict

Enter monthly input and output volumes to see total cost savings.

Claude Sonnet 5

Input: 1M × $2.00 = $2.00
Output: 1M × $10.00 = $10.00
Total
$12.00

DeepSeek-V4-Pro

Input: 1M × $1.32 = $1.32
Output: 1M × $3.96 = $3.96
Total
$5.28

Total cost savings

$6.72

DeepSeek-V4-Pro saves $6.72 per month vs the other model at this volume.

Model routing savings

Uses this page's verified rates. Claude Sonnet 5 is the premium route (higher combined per-1M cost); DeepSeek-V4-Pro handles routine traffic.

Premium model

Claude Sonnet 5

$2.00 in · $10.00 out / 1M

View profile →

Economical model

DeepSeek-V4-Pro

$1.32 in · $3.96 out / 1M

View profile →

All premium

Claude Sonnet 5

$600.00

100% of input and output on the premium route

Routed stack

80%DeepSeek-V4-Pro

Claude Sonnet 5

$331.20

Routine slice
$211.20
Premium slice
$120.00

Monthly savings

$268.80

44.8% lower

Rates pulled from this page's model database entries (claude-sonnet-5, deepseek-v4-pro) — same per-1M input/output figures as Tale of the tape. Production routing needs quality gates and monitoring.

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