Comparison · prices as of 2026-07-04

Claude Sonnet 4.5 vs DeepSeek V3.2

On price alone, DeepSeek V3.2 (DeepSeek) runs about 94% cheaper than Claude Sonnet 4.5 for a typical chat workload (2K input + 500 output tokens, 1,000 requests/day). Whether that's the right trade depends on the capability gap — pricing below, verify quality on your own evals.

Spec Claude Sonnet 4.5 DeepSeek V3.2
Input / MTok $3 $0.28
Output / MTok $15 $0.42
Context window 200K 128K
Max output 64K 8K
Class workhorse workhorse
Reference workload / month $405.00 $23.10

Sources: Anthropic pricing · DeepSeek pricing. Run your own numbers in the cost calculator.