Which model is better: Gemini 3.5 Flash-Lite or Grok 3 Mini?
Gemini 3.5 Flash-Lite is 75.0% cheaper for input tokens ($0.07 vs. $0.30 per 1M tokens) and $0.30 vs. $1.20 for output tokens (4.0x cost advantage). In terms of operational performance, Gemini 3.5 Flash-Lite delivers lower response latency at 78ms TTFT (72ms faster than Grok 3 Mini) with 265 vs. 160 tok/s throughput. Gemini 3.5 Flash-Lite leads coding evaluations at 55.4% SWE-bench Verified vs. 54.0% for Grok 3 Mini and 68.4% 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
Gemini 3.5 Flash-Lite
Grok 3 Mini
Net Delta / Advantage
Input Cost / 1M Tokens
$0.07
$0.30
Gemini 3.5 Flash-Lite is 4.0x cheaper
Output Cost / 1M Tokens
$0.30
$1.20
Gemini 3.5 Flash-Lite (75.0% lower)
Prompt Cache Read / 1M
$0.015
$0.080
Gemini 3.5 Flash-Lite is 5.3x cheaper
Prompt Cache Write / 1M
$0.07
$0.30
Gemini 3.5 Flash-Lite is 4.0x cheaper
Context Window (Max Output)
1,049k (33k out)
131k (16k out)
Gemini 3.5 Flash-Lite (8.0x larger context)
Avg TTFT Response Latency
78ms
150ms
Gemini 3.5 Flash-Lite (72ms faster)
Generation Speed (Throughput)
265 tok/s
160 tok/s
Gemini 3.5 Flash-Lite (+105 tok/s faster)
SWE-bench Verified (Coding)
55.4%
54%
Gemini 3.5 Flash-Lite (+1.4% lead)
GPQA Diamond (PhD STEM)
68.4%
68%
Gemini 3.5 Flash-Lite (+0.4% lead)
MMLU-Pro (Multi-Discipline)
80.1%
80%
Gemini 3.5 Flash-Lite (+0.1% lead)
MATH-500 (Quantitative Logic)
90.2%
87%
Gemini 3.5 Flash-Lite (+3.2% lead)
Inference Value Score (IVR)
81.5 / 100
69.2 / 100
Gemini 3.5 Flash-Lite (+12.3 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 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).
Which is cheaper: Gemini 3.5 Flash-Lite or Grok 3 Mini?
Gemini 3.5 Flash-Lite is cheaper at $0.075/1M input tokens ($0.30/1M output) compared to $0.30/1M input ($1.20/1M output) for Grok 3 Mini.
Which model has lower TTFT latency and higher tok/s throughput: Gemini 3.5 Flash-Lite or Grok 3 Mini?
Gemini 3.5 Flash-Lite delivers faster first-token latency at 78ms TTFT (265 tok/s throughput) compared to 150ms TTFT (160 tok/s) for Grok 3 Mini.
How do Gemini 3.5 Flash-Lite and Grok 3 Mini compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, Gemini 3.5 Flash-Lite scores 55.4% versus 54% for Grok 3 Mini. On GPQA Diamond graduate-level STEM reasoning, Gemini 3.5 Flash-Lite scores 68.4% versus 68% for Grok 3 Mini (and 90.2% vs 87% on MATH-500).
When should you choose Gemini 3.5 Flash-Lite?
Choose Gemini 3.5 Flash-Lite (Google) for high-frequency data pipelines, real-time routing, large-scale document tagging, and ultra-low-cost conversational assistants — offering a 1,048k context window, 78ms TTFT, and $0.07/1M input pricing ($0.015/1M 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).
