Gemma 4 31B IT is 95.2% cheaper for input tokens ($0.12 vs. $2.50 per 1M tokens) and $0.36 vs. $10.00 for output tokens (20.8x cost advantage). In terms of operational performance, Gemma 4 31B IT delivers lower response latency at 115ms TTFT (225ms faster than GPT-5) with 155 vs. 105 tok/s throughput. GPT-5 leads coding evaluations at 74.9% SWE-bench Verified vs. 59.2% for Gemma 4 31B IT and 85.4% 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
GPT-5
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
$10.00
Gemma 4 31B IT (96.4% lower)
Prompt Cache Read / 1M
$0.030
$0.625
Gemma 4 31B IT is 20.8x cheaper
Prompt Cache Write / 1M
$0.12
$2.50
Gemma 4 31B IT is 20.8x cheaper
Context Window (Max Output)
131k (16k out)
410k (128k out)
GPT-5 (3.1x larger context)
Avg TTFT Response Latency
115ms
340ms
Gemma 4 31B IT (225ms faster)
Generation Speed (Throughput)
155 tok/s
105 tok/s
Gemma 4 31B IT (+50 tok/s faster)
SWE-bench Verified (Coding)
59.2%
74.9%
GPT-5 (+15.7% lead)
GPQA Diamond (PhD STEM)
71.2%
85.4%
GPT-5 (+14.2% lead)
MMLU-Pro (Multi-Discipline)
82.8%
90.8%
GPT-5 (+8.0% lead)
MATH-500 (Quantitative Logic)
91.5%
98%
GPT-5 (+6.5% lead)
Inference Value Score (IVR)
80.3 / 100
59.2 / 100
Gemma 4 31B IT (+21.1 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 ($10.00/1M output) for GPT-5.
Which model has lower TTFT latency and higher tok/s throughput: Gemma 4 31B IT or GPT-5?
Gemma 4 31B IT delivers faster first-token latency at 115ms TTFT (155 tok/s throughput) compared to 340ms TTFT (105 tok/s) for GPT-5.
How do Gemma 4 31B IT and GPT-5 compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, Gemma 4 31B IT scores 59.2% versus 74.9% for GPT-5. On GPQA Diamond graduate-level STEM reasoning, Gemma 4 31B IT scores 71.2% versus 85.4% for GPT-5 (and 91.5% vs 98% 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 GPT-5?
Choose GPT-5 (OpenAI) for complex enterprise automation, full-stack software engineering, multimodal agent orchestration, and scientific synthesis — offering a 409k context window, 340ms TTFT, and $2.50/1M input pricing ($0.625/1M cached reads).
