💰 Unit Cost Winner Gemma 4 31B IT $0.12/1M in · $0.36/1M out
⚡ Latency & Speed Winner Gemma 4 31B IT 115ms TTFT · 155 tok/s
💻 Coding (SWE) Winner Gemma 4 31B IT 59.2% SWE-bench · 91.8% HumanEval
🧠 STEM Reasoning Winner Gemma 4 31B IT 71.2% GPQA · 91.5% MATH-500

Which model is better: Gemma 4 31B IT or GPT-4o?

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 (165ms faster than GPT-4o) with 155 vs. 100 tok/s throughput. Gemma 4 31B IT leads coding evaluations at 59.2% SWE-bench Verified vs. 48.0% for GPT-4o and 71.2% vs. 53.6% on GPQA Diamond.
Verified daily via automated API latency tests and official documentation.

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-4o 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 $1.250 Gemma 4 31B IT is 41.7x cheaper
Prompt Cache Write / 1M $0.12 $2.50 Gemma 4 31B IT is 20.8x cheaper
Context Window (Max Output) 131k (16k out) 131k (16k out) Equal Context Window
Avg TTFT Response Latency 115ms 280ms Gemma 4 31B IT (165ms faster)
Generation Speed (Throughput) 155 tok/s 100 tok/s Gemma 4 31B IT (+55 tok/s faster)
SWE-bench Verified (Coding) 59.2% 48% Gemma 4 31B IT (+11.2% lead)
GPQA Diamond (PhD STEM) 71.2% 53.6% Gemma 4 31B IT (+17.6% lead)
MMLU-Pro (Multi-Discipline) 82.8% 75.9% Gemma 4 31B IT (+6.9% lead)
MATH-500 (Quantitative Logic) 91.5% 76.6% Gemma 4 31B IT (+14.9% lead)
Inference Value Score (IVR) 80.3 / 100 47.6 / 100 Gemma 4 31B IT (+32.7 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.

25.0M Tokens
500K 50M 250M 500M+
5.0M Tokens
100K 25M 75M 150M+
50% Cached
0% (Uncached) 25% 50% (Typical Agent) 95% Max

Estimated Monthly Spend

Gemma 4 31B IT $3.68

$0.12/1M in · $0.36/1M out

Prompt Cache: $0.030/1M read · $0.12/1M write

GPT-4o $96.88

$2.50/1M in · $10.00/1M out

Prompt Cache: $1.250/1M read · $2.50/1M write

Projected Monthly Cost Reduction
$93.20 / mo
(96.2% lower cost with Gemma 4 31B IT)
Open Full Matchup Analysis →
A

When to 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).

B

When to Choose GPT-4o

Choose GPT-4o (OpenAI) for general enterprise assistants, multimodal customer support, and structured JSON output pipelines — offering a 131k context window, 280ms TTFT, and $2.50/1M input pricing ($1.250/1M cached reads).

Related Questions & Decision Factors

Which is cheaper: Gemma 4 31B IT or GPT-4o?

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-4o.

Which model has lower TTFT latency and higher tok/s throughput: Gemma 4 31B IT or GPT-4o?

Gemma 4 31B IT delivers faster first-token latency at 115ms TTFT (155 tok/s throughput) compared to 280ms TTFT (100 tok/s) for GPT-4o.

How do Gemma 4 31B IT and GPT-4o compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, Gemma 4 31B IT scores 59.2% versus 48% for GPT-4o. On GPQA Diamond graduate-level STEM reasoning, Gemma 4 31B IT scores 71.2% versus 53.6% for GPT-4o (and 91.5% vs 76.6% 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 GPT-4o?

Choose GPT-4o (OpenAI) for general enterprise assistants, multimodal customer support, and structured JSON output pipelines — offering a 131k context window, 280ms TTFT, and $2.50/1M input pricing ($1.250/1M cached reads).

Explore High-Priority Related Model Matchups