Head-to-Head API Cost Benchmark

Claude 3.5 Haiku vs OpenAI o3-mini: API Price & Latency Comparison

On a standard B2B production workload (5,000 req/day), Claude 3.5 Haiku is 29.4% cheaper ($405.00/mo vs $573.38/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) OpenAI o3-mini (OpenAI) Advantage
Standard Input / 1M Tokens $0.800 $1.100 Claude 3.5 Haiku
Cached Input / 1M Tokens $0.080 $0.550 Claude 3.5 Haiku
Output Generation / 1M Tokens $4.00 $4.40 Claude 3.5 Haiku
Intelligence / Benchmark Quality 1238 LMSYS Elo 1305 LMSYS Elo OpenAI o3-mini
Monthly Spend (5k req/day, 50% cache) $405.00 / mo $573.38 / mo Claude 3.5 Haiku (-29.4%)
Context Window 200,000 tokens 200,000 tokens Claude 3.5 Haiku
Output Speed (Throughput) 130 tokens/sec 95 tokens/sec Claude 3.5 Haiku
Batch API Discount -50% (Anthropic) -50% (OpenAI) Anthropic
Primary Workload Fit Fast code sub-tasks, real-time moderation, heavy prompt-cached pipelines Algorithmic code generation, math, STEM reasoning, automated QA agents Workload Dependent
Deploy / Console Access Try Claude 3.5 Haiku → Try OpenAI o3-mini → Open Full Simulator