Claude 3.5 Sonnet vs Grok 3 Mini
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: Claude 3.5 Sonnet or Grok 3 Mini?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | Claude 3.5 Sonnet | Grok 3 Mini | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $3.00 | $0.30 | Grok 3 Mini is 10.0x cheaper |
| Output Cost / 1M Tokens | $15.00 | $1.20 | Grok 3 Mini (92.0% lower) |
| Prompt Cache Read / 1M | $0.300 | $0.080 | Grok 3 Mini is 3.8x cheaper |
| Prompt Cache Write / 1M | $3.75 | $0.30 | Grok 3 Mini is 12.5x cheaper |
| Avg TTFT Response Latency | 310ms | 150ms | Grok 3 Mini (+160ms faster) |
| SWE-bench Verified (Coding) | 49% | 54% | Grok 3 Mini (+5.0% lead) |
| Inference Value Score (IVR) | 47.3 / 100 | 69.6 / 100 | Grok 3 Mini (+22.3 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.
Estimated Monthly Spend
$3.00/1M in · $15.00/1M out
Prompt Cache: $0.300/1M read · $3.75/1M write
$0.30/1M in · $1.20/1M out
Prompt Cache: $0.080/1M read · $0.30/1M write
When to Choose Claude 3.5 Sonnet
Choose Claude 3.5 Sonnet when you need Industry benchmark for complex software engineering, intricate reasoning, and human-like prose composition. and have an infrastructure budget aligned with $3.00/1M tokens.
When to Choose Grok 3 Mini
Choose Grok 3 Mini when you need High-speed reasoning model providing rapid answers and code generation with chain-of-thought capabilities at edge pricing. and prioritize xAI ecosystem integration at $0.30/1M tokens.
Related Questions & Decision Factors
Which is cheaper: Claude 3.5 Sonnet or Grok 3 Mini?
Grok 3 Mini is cheaper at $0.30/1M input tokens compared to $3.00/1M for Claude 3.5 Sonnet.
Which model has lower latency: Claude 3.5 Sonnet or Grok 3 Mini?
Grok 3 Mini delivers faster response times with an average TTFT of 150ms vs 310ms for Claude 3.5 Sonnet.
When should you choose Claude 3.5 Sonnet?
Choose Claude 3.5 Sonnet when you need Industry benchmark for complex software engineering, intricate reasoning, and human-like prose composition. and have an infrastructure budget aligned with $3.00/1M tokens.
When should you choose Grok 3 Mini?
Choose Grok 3 Mini when you need High-speed reasoning model providing rapid answers and code generation with chain-of-thought capabilities at edge pricing. and prioritize xAI ecosystem integration at $0.30/1M tokens.