Which model is better: Claude 3.7 Sonnet or Grok 3 Mini?

Grok 3 Mini is 90.0% cheaper for input tokens ($0.30 vs. $3.00 per 1M tokens) and $1.20 vs. $15.00 for output tokens (10.0x cost difference). In terms of operational performance, Grok 3 Mini delivers faster response latency with 150ms TTFT (500ms faster than Claude 3.7 Sonnet). Claude 3.7 Sonnet leads coding benchmarks at 70.3% SWE-bench vs. 54.0% for Grok 3 Mini.
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta

Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.

Metric / Dimension Claude 3.7 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 780ms 150ms Grok 3 Mini (+630ms faster)
SWE-bench Verified (Coding) 70.3% 54% Claude 3.7 Sonnet (+16.3% lead)
Inference Value Score (IVR) 53.4 / 100 69.6 / 100 Grok 3 Mini (+16.2 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.

Live Calculation Engine
10.0M Tokens
100K 50M 250M 500M+
2.5M Tokens
100K 10M 50M 100M+

Estimated Monthly Spend

Claude 3.7 Sonnet $67.50

$3.00/1M in · $15.00/1M out

Prompt Cache: $0.300/1M read · $3.75/1M write

Grok 3 Mini $6.00

$0.30/1M in · $1.20/1M out

Prompt Cache: $0.080/1M read · $0.30/1M write

Projected Monthly Cost Reduction
$61.50 / mo
(91.1% lower cost with Grok 3 Mini)
A

When to Choose Claude 3.7 Sonnet

Choose Claude 3.7 Sonnet when you need Frontier hybrid reasoning and agentic software engineering with dynamically controllable chain-of-thought budgets. and have an infrastructure budget aligned with $3.00/1M tokens.

B

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 3.7 Sonnet or Grok 3 Mini?

Grok 3 Mini is cheaper at $0.30/1M input tokens compared to $3.00/1M for Claude 3.7 Sonnet.

Which model has lower latency: Claude 3.7 Sonnet or Grok 3 Mini?

Grok 3 Mini delivers faster response times with an average TTFT of 150ms vs 780ms for Claude 3.7 Sonnet.

When should you choose Claude 3.7 Sonnet?

Choose Claude 3.7 Sonnet when you need Frontier hybrid reasoning and agentic software engineering with dynamically controllable chain-of-thought budgets. 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.

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