Gemma 4 31B IT is 95.2% cheaper for input tokens ($0.12 vs. $2.50 per 1M tokens) and $0.36 vs. $12.50 for output tokens (20.8x cost advantage). In terms of operational performance, Gemma 4 31B IT delivers lower response latency at 115ms TTFT (365ms faster than Grok 4) with 155 vs. 95 tok/s throughput. Grok 4 leads coding evaluations at 73.2% SWE-bench Verified vs. 59.2% for Gemma 4 31B IT and 86.2% vs. 71.2% 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
Gemma 4 31B IT
Grok 4
Net Delta / Advantage
Input Cost / 1M Tokens
$0.12
$2.50
Gemma 4 31B IT is 20.8x cheaper
Output Cost / 1M Tokens
$0.36
$12.50
Gemma 4 31B IT (97.1% lower)
Prompt Cache Read / 1M
$0.030
$0.500
Gemma 4 31B IT is 16.7x cheaper
Prompt Cache Write / 1M
$0.12
$2.50
Gemma 4 31B IT is 20.8x cheaper
Context Window (Max Output)
131k (16k out)
262k (66k out)
Grok 4 (2.0x larger context)
Avg TTFT Response Latency
115ms
480ms
Gemma 4 31B IT (365ms faster)
Generation Speed (Throughput)
155 tok/s
95 tok/s
Gemma 4 31B IT (+60 tok/s faster)
SWE-bench Verified (Coding)
59.2%
73.2%
Grok 4 (+14.0% lead)
GPQA Diamond (PhD STEM)
71.2%
86.2%
Grok 4 (+15.0% lead)
MMLU-Pro (Multi-Discipline)
82.8%
89.9%
Grok 4 (+7.1% lead)
MATH-500 (Quantitative Logic)
91.5%
97.6%
Grok 4 (+6.1% lead)
Inference Value Score (IVR)
80.3 / 100
57.6 / 100
Gemma 4 31B IT (+22.7 pts)
Interactive Monthly Token Economics & ROI Forecaster
Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.
Gemma 4 31B IT is cheaper at $0.12/1M input tokens ($0.36/1M output) compared to $2.50/1M input ($12.50/1M output) for Grok 4.
Which model has lower TTFT latency and higher tok/s throughput: Gemma 4 31B IT or Grok 4?
Gemma 4 31B IT delivers faster first-token latency at 115ms TTFT (155 tok/s throughput) compared to 480ms TTFT (95 tok/s) for Grok 4.
How do Gemma 4 31B IT and Grok 4 compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, Gemma 4 31B IT scores 59.2% versus 73.2% for Grok 4. On GPQA Diamond graduate-level STEM reasoning, Gemma 4 31B IT scores 71.2% versus 86.2% for Grok 4 (and 91.5% vs 97.6% on MATH-500).
When should you choose Gemma 4 31B IT?
Choose Gemma 4 31B IT (Google) for self-hosted VPC inference, fine-tuned domain agents, sovereign healthcare/finance workloads, and low-latency local code generation — offering a 131k context window, 115ms TTFT, and $0.12/1M input pricing ($0.030/1M cached reads).
When should you choose Grok 4?
Choose Grok 4 (xAI) for real-time financial/market intelligence, PhD-level STEM problem solving, and autonomous code generation — offering a 262k context window, 480ms TTFT, and $2.50/1M input pricing ($0.500/1M cached reads).
