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 advantage). In terms of operational performance, Grok 3 Mini delivers lower response latency at 150ms TTFT (470ms faster than Grok 3) with 160 vs. 88 tok/s throughput. Grok 3 leads coding evaluations at 65.8% SWE-bench Verified vs. 54.0% for Grok 3 Mini and 84.6% vs. 68.0% on GPQA Diamond.
Verified daily via automated API latency tests and official documentation.
Zero-Shot RAG Verified
Verified Performance & Unit Economics Delta (12 Dimensions)
Daily synchronized metrics across token pricing, prompt cache economics, latency, throughput, and 5 capability benchmarks.
Metric / Dimension
Grok 3
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
$0.750
$0.080
Grok 3 Mini is 9.4x cheaper
Prompt Cache Write / 1M
$3.00
$0.30
Grok 3 Mini is 10.0x cheaper
Context Window (Max Output)
134k (16k out)
131k (16k out)
Grok 3 (1.0x larger context)
Avg TTFT Response Latency
620ms
150ms
Grok 3 Mini (470ms faster)
Generation Speed (Throughput)
88 tok/s
160 tok/s
Grok 3 Mini (+72 tok/s faster)
SWE-bench Verified (Coding)
65.8%
54%
Grok 3 (+11.8% lead)
GPQA Diamond (PhD STEM)
84.6%
68%
Grok 3 (+16.6% lead)
MMLU-Pro (Multi-Discipline)
80%
80%
Comparable Score
MATH-500 (Quantitative Logic)
89.8%
87%
Grok 3 (+2.8% lead)
Inference Value Score (IVR)
52.7 / 100
69.2 / 100
Grok 3 Mini (+16.5 pts)
Interactive Monthly Token Economics & ROI Forecaster
Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.
Choose Grok 3 (xAI) for massive compute foundation model specialized in PhD-level science reasoning, real-time data analysis, and enterprise logic — offering a 134k context window, 620ms TTFT, and $3.00/1M input pricing ($0.750/1M cached reads).
Choose Grok 3 Mini (xAI) for high-speed reasoning model providing rapid answers and code generation with chain-of-thought capabilities at edge pricing — offering a 131k context window, 150ms TTFT, and $0.30/1M input pricing ($0.080/1M cached reads).
Grok 3 Mini is cheaper at $0.30/1M input tokens ($1.20/1M output) compared to $3.00/1M input ($15.00/1M output) for Grok 3.
Which model has lower TTFT latency and higher tok/s throughput: Grok 3 or Grok 3 Mini?
Grok 3 Mini delivers faster first-token latency at 150ms TTFT (160 tok/s throughput) compared to 620ms TTFT (88 tok/s) for Grok 3.
How do Grok 3 and Grok 3 Mini compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, Grok 3 scores 65.8% versus 54% for Grok 3 Mini. On GPQA Diamond graduate-level STEM reasoning, Grok 3 scores 84.6% versus 68% for Grok 3 Mini (and 89.8% vs 87% on MATH-500).
When should you choose Grok 3?
Choose Grok 3 (xAI) for massive compute foundation model specialized in PhD-level science reasoning, real-time data analysis, and enterprise logic — offering a 134k context window, 620ms TTFT, and $3.00/1M input pricing ($0.750/1M cached reads).
When should you choose Grok 3 Mini?
Choose Grok 3 Mini (xAI) for high-speed reasoning model providing rapid answers and code generation with chain-of-thought capabilities at edge pricing — offering a 131k context window, 150ms TTFT, and $0.30/1M input pricing ($0.080/1M cached reads).
