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GPT-4o vs Gemma 2 27B

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

Quick Verdict

Gemma 2 27B is cheaper than GPT-4o at $0.27/1M/1M vs $2.50/1M/1M input tokens — a 9.3x cost difference. GPT-4o scores higher on quality benchmarks (ELO 1286). Choose Gemma 2 27B for cost-sensitive workloads; choose GPT-4o for maximum quality.

Detailed Comparison

MetricGPT-4oGemma 2 27B
Input Price / 1M tokens$2.50/1M$0.27/1MCheaper
Output Price / 1M tokens$10.00/1M$0.27/1MCheaper
Context Window128KLarger8K
ELO Score (LMSYS)1286Smarter1220
Open SourceYes
Free Tier
Release Date2024-052024-06

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

Gemma 2 27B is the cheaper option at $0.27/1M per 1M input tokens, compared to $2.50/1M for GPT-4o. That is a 9.3x cost difference on input tokens. Output pricing follows a similar pattern: GPT-4o charges $10.00/1M/1M vs $0.27/1M/1M for Gemma 2 27B.

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

Based on LMSYS Chatbot Arena rankings, GPT-4o achieves a higher ELO score (1286 vs 1220), suggesting stronger performance on open-ended tasks. GPT-4o excels at multimodal: handles text, images, and audio natively. Gemma 2 27B is known for best open-source model at 27b scale.

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

Choose GPT-4o if:
  • Multimodal: handles text, images, and audio natively
  • Strong reasoning and instruction following
  • Excellent coding capabilities
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 or Gemma 2 27B?

Gemma 2 27B is cheaper at $0.27/1M per 1M input tokens, making it 9.3x more affordable.

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

GPT-4o scores higher on the LMSYS Chatbot Arena with an ELO of 1286, suggesting better overall quality for most tasks.

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

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

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

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

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

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

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