💰 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 Claude 4.5 Sonnet 75.8% SWE-bench · 96% HumanEval
🧠 STEM Reasoning Winner Claude 4.5 Sonnet 84.2% GPQA · 97.5% MATH-500

Which model is better: Claude 4.5 Sonnet or Gemma 4 31B IT?

Gemma 4 31B IT is 96.0% cheaper for input tokens ($0.12 vs. $3.00 per 1M tokens) and $0.36 vs. $15.00 for output tokens (25.0x cost advantage). In terms of operational performance, Gemma 4 31B IT delivers lower response latency at 115ms TTFT (265ms faster than Claude 4.5 Sonnet) with 155 vs. 84 tok/s throughput. Claude 4.5 Sonnet leads coding evaluations at 75.8% SWE-bench Verified vs. 59.2% for Gemma 4 31B IT and 84.2% vs. 71.2% 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 Claude 4.5 Sonnet Gemma 4 31B IT Net Delta / Advantage
Input Cost / 1M Tokens $3.00 $0.12 Gemma 4 31B IT is 25.0x cheaper
Output Cost / 1M Tokens $15.00 $0.36 Gemma 4 31B IT (97.6% lower)
Prompt Cache Read / 1M $0.300 $0.030 Gemma 4 31B IT is 10.0x cheaper
Prompt Cache Write / 1M $3.75 $0.12 Gemma 4 31B IT is 31.3x cheaper
Context Window (Max Output) 205k (64k out) 131k (16k out) Claude 4.5 Sonnet (1.6x larger context)
Avg TTFT Response Latency 380ms 115ms Gemma 4 31B IT (265ms faster)
Generation Speed (Throughput) 84 tok/s 155 tok/s Gemma 4 31B IT (+71 tok/s faster)
SWE-bench Verified (Coding) 75.8% 59.2% Claude 4.5 Sonnet (+16.6% lead)
GPQA Diamond (PhD STEM) 84.2% 71.2% Claude 4.5 Sonnet (+13.0% lead)
MMLU-Pro (Multi-Discipline) 90.4% 82.8% Claude 4.5 Sonnet (+7.6% lead)
MATH-500 (Quantitative Logic) 97.5% 91.5% Claude 4.5 Sonnet (+6.0% lead)
Inference Value Score (IVR) 56.5 / 100 80.3 / 100 Gemma 4 31B IT (+23.8 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

Claude 4.5 Sonnet $116.25

$3.00/1M in · $15.00/1M out

Prompt Cache: $0.300/1M read · $3.75/1M write

Gemma 4 31B IT $3.68

$0.12/1M in · $0.36/1M out

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

Projected Monthly Cost Reduction
$112.58 / mo
(96.8% lower cost with Gemma 4 31B IT)
Open Full Matchup Analysis →
A

When to Choose Claude 4.5 Sonnet

Choose Claude 4.5 Sonnet (Anthropic) for end-to-end autonomous coding agents, complex multi-file debugging, browser/GUI automation, and high-precision technical writing — offering a 204k context window, 380ms TTFT, and $3.00/1M input pricing ($0.300/1M cached reads).

B

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).

Related Questions & Decision Factors

Which is cheaper: Claude 4.5 Sonnet or Gemma 4 31B IT?

Gemma 4 31B IT is cheaper at $0.12/1M input tokens ($0.36/1M output) compared to $3.00/1M input ($15.00/1M output) for Claude 4.5 Sonnet.

Which model has lower TTFT latency and higher tok/s throughput: Claude 4.5 Sonnet or Gemma 4 31B IT?

Gemma 4 31B IT delivers faster first-token latency at 115ms TTFT (155 tok/s throughput) compared to 380ms TTFT (84 tok/s) for Claude 4.5 Sonnet.

How do Claude 4.5 Sonnet and Gemma 4 31B IT compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, Claude 4.5 Sonnet scores 75.8% versus 59.2% for Gemma 4 31B IT. On GPQA Diamond graduate-level STEM reasoning, Claude 4.5 Sonnet scores 84.2% versus 71.2% for Gemma 4 31B IT (and 97.5% vs 91.5% on MATH-500).

When should you choose Claude 4.5 Sonnet?

Choose Claude 4.5 Sonnet (Anthropic) for end-to-end autonomous coding agents, complex multi-file debugging, browser/GUI automation, and high-precision technical writing — offering a 204k context window, 380ms TTFT, and $3.00/1M input pricing ($0.300/1M cached reads).

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).

Explore High-Priority Related Model Matchups