Home/Compare/Gemini 1.5 Pro vs Gemma 2 27B

Gemini 1.5 Pro vs Gemma 2 27B

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

Quick Verdict

Gemma 2 27B is cheaper than Gemini 1.5 Pro at $0.27/1M/1M vs $1.25/1M/1M input tokens — a 4.6x cost difference. Gemini 1.5 Pro scores higher on quality benchmarks (ELO 1266). Choose Gemma 2 27B for cost-sensitive workloads; choose Gemini 1.5 Pro for maximum quality.

Detailed Comparison

MetricGemini 1.5 ProGemma 2 27B
Input Price / 1M tokens$1.25/1M$0.27/1MCheaper
Output Price / 1M tokens$5.00/1M$0.27/1MCheaper
Context Window2MLarger8K
ELO Score (LMSYS)1266Smarter1220
Open SourceYes
Free Tier
Release Date2024-022024-06

Which is cheaper: Gemini 1.5 Pro or Gemma 2 27B?

Gemma 2 27B is the cheaper option at $0.27/1M per 1M input tokens, compared to $1.25/1M for Gemini 1.5 Pro. That is a 4.6x cost difference on input tokens. Output pricing follows a similar pattern: Gemini 1.5 Pro charges $5.00/1M/1M vs $0.27/1M/1M for Gemma 2 27B.

Which has better quality: Gemini 1.5 Pro or Gemma 2 27B?

Based on LMSYS Chatbot Arena rankings, Gemini 1.5 Pro achieves a higher ELO score (1266 vs 1220), suggesting stronger performance on open-ended tasks. Gemini 1.5 Pro excels at 2m token context window — largest available commercially. Gemma 2 27B is known for best open-source model at 27b scale.

Which should you choose: Gemini 1.5 Pro or Gemma 2 27B?

Choose Gemini 1.5 Pro if:
  • 2M token context window — largest available commercially
  • Strong multimodal capabilities (text, images, video, audio)
  • Excellent price-to-quality ratio
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: Gemini 1.5 Pro or Gemma 2 27B?

Gemma 2 27B is cheaper at $0.27/1M per 1M input tokens, making it 4.6x more affordable.

Which has better quality: Gemini 1.5 Pro or Gemma 2 27B?

Gemini 1.5 Pro scores higher on the LMSYS Chatbot Arena with an ELO of 1266, suggesting better overall quality for most tasks.

Which has a larger context window: Gemini 1.5 Pro or Gemma 2 27B?

Gemini 1.5 Pro has a larger context window at 2000K tokens.

Should I choose Gemini 1.5 Pro or Gemma 2 27B?

Choose Gemma 2 27B if cost is the priority. Choose Gemini 1.5 Pro if benchmark quality is most important. Consider your specific use case: Gemini 1.5 Pro is best for long-context and document-analysis, while Gemma 2 27B excels at coding and summarization.

Is Gemini 1.5 Pro or Gemma 2 27B open source?

Gemini 1.5 Pro is proprietary. Gemma 2 27B is open source.

Related Comparisons

o3 vs Gemini 1.5 Pro
o3 vs Gemma 2 27B
DeepSeek R1 vs Gemini 1.5 Pro
DeepSeek R1 vs Gemma 2 27B
o1 vs Gemini 1.5 Pro
o1 vs Gemma 2 27B