Head-to-Head API Cost Benchmark

Claude 3.5 Haiku vs DeepSeek-R1 (Reasoner): API Price & Latency Comparison

On a standard B2B production workload (5,000 req/day), DeepSeek-R1 (Reasoner) is 35.6% cheaper ($260.77/mo vs $405.00/mo), while Claude 3.5 Haiku leads in token generation speed (130 tok/s).

Side-by-Side Specification & Billing Matrix

Metric Claude 3.5 Haiku (Anthropic) DeepSeek-R1 (Reasoner) (DeepSeek API) Advantage
Standard Input / 1M Tokens $0.800 $0.550 DeepSeek-R1 (Reasoner)
Cached Input / 1M Tokens $0.080 $0.140 Claude 3.5 Haiku
Output Generation / 1M Tokens $4.00 $2.19 DeepSeek-R1 (Reasoner)
Intelligence / Benchmark Quality 1238 LMSYS Elo 1315 LMSYS Elo DeepSeek-R1 (Reasoner)
Monthly Spend (5k req/day, 50% cache) $405.00 / mo $260.77 / mo DeepSeek-R1 (Reasoner) (-35.6%)
Context Window 200,000 tokens 64,000 tokens Claude 3.5 Haiku
Output Speed (Throughput) 130 tokens/sec 50 tokens/sec Claude 3.5 Haiku
Batch API Discount -50% (Anthropic) -50% (DeepSeek API) Anthropic
Primary Workload Fit Fast code sub-tasks, real-time moderation, heavy prompt-cached pipelines Budget-friendly chain-of-thought logic, financial verification, logic synthesis Workload Dependent
Deploy / Console Access Try Claude 3.5 Haiku → Try DeepSeek-R1 (Reasoner) → Open Full Simulator