Home/Compare/GPT-4o mini vs Gemma 2 27B

GPT-4o mini vs Gemma 2 27B

Pricing, context window, and benchmark comparison · Last updated April 2026

Quick Verdict

GPT-4o mini is cheaper than Gemma 2 27B at $0.15/1M/1M vs $0.27/1M/1M input tokens — a 1.8x cost difference. GPT-4o mini scores higher on quality benchmarks (ELO 1272). Choose GPT-4o mini for cost-sensitive workloads; both are strong choices depending on your budget.

Detailed Comparison

MetricGPT-4o miniGemma 2 27B
Input Price / 1M tokens$0.15/1MCheaper$0.27/1M
Output Price / 1M tokens$0.60/1M$0.27/1MCheaper
Context Window128KLarger8K
ELO Score (LMSYS)1272Smarter1220
Open SourceYes
Free Tier
Release Date2024-072024-06

Which is cheaper: GPT-4o mini or Gemma 2 27B?

GPT-4o mini is the cheaper option at $0.15/1M per 1M input tokens, compared to $0.27/1M for Gemma 2 27B. That is a 1.8x cost difference on input tokens. Output pricing follows a similar pattern: GPT-4o mini charges $0.60/1M/1M vs $0.27/1M/1M for Gemma 2 27B.

Which has better quality: GPT-4o mini or Gemma 2 27B?

Based on LMSYS Chatbot Arena rankings, GPT-4o mini achieves a higher ELO score (1272 vs 1220), suggesting stronger performance on open-ended tasks. GPT-4o mini excels at extremely low cost — cheapest flagship-family model. Gemma 2 27B is known for best open-source model at 27b scale.

Which should you choose: GPT-4o mini or Gemma 2 27B?

Choose GPT-4o mini if:
  • Extremely low cost — cheapest flagship-family model
  • Fast inference
  • Good at structured data extraction
Choose Gemma 2 27B if:
  • Best open-source model at 27B scale
  • Runs on consumer hardware (RTX 3090)
  • Strong instruction following

Frequently Asked Questions

Which is cheaper: GPT-4o mini or Gemma 2 27B?

GPT-4o mini is cheaper at $0.15/1M per 1M input tokens, making it 1.8x more affordable.

Which has better quality: GPT-4o mini or Gemma 2 27B?

GPT-4o mini scores higher on the LMSYS Chatbot Arena with an ELO of 1272, suggesting better overall quality for most tasks.

Which has a larger context window: GPT-4o mini or Gemma 2 27B?

GPT-4o mini has a larger context window at 128K tokens.

Should I choose GPT-4o mini or Gemma 2 27B?

Choose GPT-4o mini if cost is the priority. Choose GPT-4o mini if benchmark quality is most important. Consider your specific use case: GPT-4o mini is best for customer-support and data-extraction, while Gemma 2 27B excels at coding and summarization.

Is GPT-4o mini or Gemma 2 27B open source?

GPT-4o mini is proprietary. Gemma 2 27B is open source.

Related Comparisons

o3 vs GPT-4o mini
o3 vs Gemma 2 27B
DeepSeek R1 vs GPT-4o mini
DeepSeek R1 vs Gemma 2 27B
o1 vs GPT-4o mini
o1 vs Gemma 2 27B