Claude 3.5 Sonnet vs o3-mini
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: Claude 3.5 Sonnet or o3-mini?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | Claude 3.5 Sonnet | o3-mini | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $3.00 | $1.10 | o3-mini is 2.7x cheaper |
| Output Cost / 1M Tokens | $15.00 | $4.40 | o3-mini (240.9% lower) |
| Avg TTFT Response Latency | 320ms | 1200ms | Claude 3.5 Sonnet (+880ms faster) |
| SWE-bench Verified (Coding) | 63.7% | 49.3% | Claude 3.5 Sonnet (+14.4% lead) |
| Inference Value Score (IVR) | 46 / 100 | 77 / 100 | o3-mini (+31 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens.
Estimated Monthly Spend
$3/1M in · $15/1M out
$1.1/1M in · $4.4/1M out
When to Choose Claude 3.5 Sonnet
Choose Claude 3.5 Sonnet when you need Full-stack code generation, production AI agents, complex visual diagram parsing, and enterprise document workflows. and have an infrastructure budget aligned with $3.00/1M tokens.
When to Choose o3-mini
Choose o3-mini when you need Cost-efficient STEM reasoning, high-throughput math problem-solving, and structured code synthesis. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.
Related Questions & Decision Factors
Which is cheaper: Claude 3.5 Sonnet or o3-mini?
o3-mini is cheaper at $1.10/1M input tokens compared to $3.00/1M for Claude 3.5 Sonnet.
Which model has lower latency: Claude 3.5 Sonnet or o3-mini?
Claude 3.5 Sonnet delivers faster response times with an average TTFT of 320ms vs 1200ms for o3-mini.
When should you choose Claude 3.5 Sonnet?
Choose Claude 3.5 Sonnet when you need Full-stack code generation, production AI agents, complex visual diagram parsing, and enterprise document workflows. and have an infrastructure budget aligned with $3.00/1M tokens.
When should you choose o3-mini?
Choose o3-mini when you need Cost-efficient STEM reasoning, high-throughput math problem-solving, and structured code synthesis. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.