Which model is better: Gemini 3.5 Flash-Lite or Grok 3?
Gemini 3.5 Flash-Lite is 97.5% cheaper for input tokens ($0.07 vs. $3.00 per 1M tokens) and $0.30 vs. $15.00 for output tokens (40.0x cost advantage). In terms of operational performance, Gemini 3.5 Flash-Lite delivers lower response latency at 78ms TTFT (542ms faster than Grok 3) with 265 vs. 88 tok/s throughput. Grok 3 leads coding evaluations at 65.8% SWE-bench Verified vs. 55.4% for Gemini 3.5 Flash-Lite and 84.6% vs. 68.4% 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
Net Delta / Advantage
Input Cost / 1M Tokens
$0.07
$3.00
Gemini 3.5 Flash-Lite is 40.0x cheaper
Output Cost / 1M Tokens
$0.30
$15.00
Gemini 3.5 Flash-Lite (98.0% lower)
Prompt Cache Read / 1M
$0.015
$0.750
Gemini 3.5 Flash-Lite is 50.0x cheaper
Prompt Cache Write / 1M
$0.07
$3.00
Gemini 3.5 Flash-Lite is 40.0x cheaper
Context Window (Max Output)
1,049k (33k out)
134k (16k out)
Gemini 3.5 Flash-Lite (7.8x larger context)
Avg TTFT Response Latency
78ms
620ms
Gemini 3.5 Flash-Lite (542ms faster)
Generation Speed (Throughput)
265 tok/s
88 tok/s
Gemini 3.5 Flash-Lite (+177 tok/s faster)
SWE-bench Verified (Coding)
55.4%
65.8%
Grok 3 (+10.4% lead)
GPQA Diamond (PhD STEM)
68.4%
84.6%
Grok 3 (+16.2% lead)
MMLU-Pro (Multi-Discipline)
80.1%
80%
Gemini 3.5 Flash-Lite (+0.1% lead)
MATH-500 (Quantitative Logic)
90.2%
89.8%
Gemini 3.5 Flash-Lite (+0.4% lead)
Inference Value Score (IVR)
81.5 / 100
52.7 / 100
Gemini 3.5 Flash-Lite (+28.8 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).
Which is cheaper: Gemini 3.5 Flash-Lite or Grok 3?
Gemini 3.5 Flash-Lite is cheaper at $0.075/1M input tokens ($0.30/1M 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: Gemini 3.5 Flash-Lite or Grok 3?
Gemini 3.5 Flash-Lite delivers faster first-token latency at 78ms TTFT (265 tok/s throughput) compared to 620ms TTFT (88 tok/s) for Grok 3.
How do Gemini 3.5 Flash-Lite and Grok 3 compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, Gemini 3.5 Flash-Lite scores 55.4% versus 65.8% for Grok 3. On GPQA Diamond graduate-level STEM reasoning, Gemini 3.5 Flash-Lite scores 68.4% versus 84.6% for Grok 3 (and 90.2% vs 89.8% 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?
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).
