💰 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 Opus 5.5 89.9% SWE-bench · 97.6% HumanEval
🧠 STEM Reasoning Winner Claude Opus 5.5 93.2% GPQA · 98% MATH-500

Which model is better: Claude Opus 5.5 or Gemma 4 31B IT?

Gemma 4 31B IT is 97.0% cheaper for input tokens ($0.12 vs. $4.00 per 1M tokens) and $0.36 vs. $20.00 for output tokens (33.3x cost advantage). In terms of operational performance, Gemma 4 31B IT delivers lower response latency at 115ms TTFT (565ms faster than Claude Opus 5.5) with 155 vs. 95 tok/s throughput. Claude Opus 5.5 leads coding evaluations at 89.9% SWE-bench Verified vs. 59.2% for Gemma 4 31B IT and 93.2% 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 Opus 5.5 Gemma 4 31B IT Net Delta / Advantage
Input Cost / 1M Tokens $4.00 $0.12 Gemma 4 31B IT is 33.3x cheaper
Output Cost / 1M Tokens $20.00 $0.36 Gemma 4 31B IT (98.2% lower)
Prompt Cache Read / 1M $0.200 $0.030 Gemma 4 31B IT is 6.7x cheaper
Prompt Cache Write / 1M $5.00 $0.12 Gemma 4 31B IT is 41.7x cheaper
Context Window (Max Output) 1,024k (128k out) 131k (16k out) Claude Opus 5.5 (7.8x larger context)
Avg TTFT Response Latency 680ms 115ms Gemma 4 31B IT (565ms faster)
Generation Speed (Throughput) 95 tok/s 155 tok/s Gemma 4 31B IT (+60 tok/s faster)
SWE-bench Verified (Coding) 89.9% 59.2% Claude Opus 5.5 (+30.7% lead)
GPQA Diamond (PhD STEM) 93.2% 71.2% Claude Opus 5.5 (+22.0% lead)
MMLU-Pro (Multi-Discipline) 92.1% 82.8% Claude Opus 5.5 (+9.3% lead)
MATH-500 (Quantitative Logic) 98% 91.5% Claude Opus 5.5 (+6.5% lead)
Inference Value Score (IVR) 57.8 / 100 80.3 / 100 Gemma 4 31B IT (+22.5 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 Opus 5.5 $152.50

$4.00/1M in · $20.00/1M out

Prompt Cache: $0.200/1M read · $5.00/1M 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
$148.83 / mo
(97.6% lower cost with Gemma 4 31B IT)
Open Full Matchup Analysis →
A

When to Choose Claude Opus 5.5

Choose Claude Opus 5.5 (Anthropic) for top-ranked frontier intelligence leader for autonomous multi-step agentic coding, repository-scale migrations, and complex scientific reasoning at a 40% lower workload cost than Opus 5 — offering a 1,024k context window, 680ms TTFT, and $4.00/1M input pricing ($0.200/1M 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 Opus 5.5 or Gemma 4 31B IT?

Gemma 4 31B IT is cheaper at $0.12/1M input tokens ($0.36/1M output) compared to $4.00/1M input ($20.00/1M output) for Claude Opus 5.5.

Which model has lower TTFT latency and higher tok/s throughput: Claude Opus 5.5 or Gemma 4 31B IT?

Gemma 4 31B IT delivers faster first-token latency at 115ms TTFT (155 tok/s throughput) compared to 680ms TTFT (95 tok/s) for Claude Opus 5.5.

How do Claude Opus 5.5 and Gemma 4 31B IT compare on SWE-bench coding and GPQA Diamond reasoning?

On SWE-bench Verified software engineering, Claude Opus 5.5 scores 89.9% versus 59.2% for Gemma 4 31B IT. On GPQA Diamond graduate-level STEM reasoning, Claude Opus 5.5 scores 93.2% versus 71.2% for Gemma 4 31B IT (and 98% vs 91.5% on MATH-500).

When should you choose Claude Opus 5.5?

Choose Claude Opus 5.5 (Anthropic) for top-ranked frontier intelligence leader for autonomous multi-step agentic coding, repository-scale migrations, and complex scientific reasoning at a 40% lower workload cost than Opus 5 — offering a 1,024k context window, 680ms TTFT, and $4.00/1M input pricing ($0.200/1M 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