DeepSeek V4 Pro vs Claude Sonnet 5.5 API pricing

DeepSeek V4 Pro is cheaper on every example workload below. Prices last checked 2026-10-15.

DeepSeek V4 Pro (DeepSeek)Claude Sonnet 5.5 (Anthropic)
Input $/1M tokens$1.32$2.0
Output $/1M tokens$3.96$10.0
Context1000000—
Our tier (1–4)33

Example monthly bills

WorkloadDeepSeek V4 ProClaude Sonnet 5.5Cheaper
Chat / Q&A
10M in / 2M out per month
$21.12$40.00DeepSeek V4 Pro saves $18.88/mo (47%)
Coding
20M in / 5M out per month
$46.20$90.00DeepSeek V4 Pro saves $43.80/mo (49%)
Output-heavy (reasoning, long answers)
10M in / 10M out per month
$52.80$120.00DeepSeek V4 Pro saves $67.20/mo (56%)

Fine print

Cost only, not quality. “Tier” is our rough capability judgment, not a benchmark, and different tokenizers count the same text differently. Reasoning models may bill extra thinking tokens as output. Official sources: DeepSeek, Anthropic.

See all models on the full price table, the DeepSeek and Anthropic pricing pages, or try the savings calculator with your own numbers.

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