Gemini 3.1 Pro vs GPT-5.4 mini
Pricing, context window, and benchmark comparison · Last updated April 2026
GPT-5.4 mini is cheaper than Gemini 3.1 Pro at $0.75/1M/1M vs $2.00/1M/1M input tokens — a 2.7x cost difference. Gemini 3.1 Pro scores higher on quality benchmarks (ELO 1410). Choose GPT-5.4 mini for cost-sensitive workloads; choose Gemini 3.1 Pro for maximum quality.
Which is cheaper: Gemini 3.1 Pro or GPT-5.4 mini?
GPT-5.4 mini is the cheaper option at $0.75/1M per 1M input tokens, compared to $2.00/1M for Gemini 3.1 Pro. That is a 2.7x cost difference on input tokens. Output pricing follows a similar pattern: Gemini 3.1 Pro charges $12.00/1M/1M vs $4.50/1M/1M for GPT-5.4 mini.
Which has better quality: Gemini 3.1 Pro or GPT-5.4 mini?
Based on LMSYS Chatbot Arena rankings, Gemini 3.1 Pro achieves a higher ELO score (1410 vs 1360), suggesting stronger performance on open-ended tasks. Gemini 3.1 Pro excels at google's latest flagship with major reasoning improvements. GPT-5.4 mini is known for strong mid-tier quality close to gpt-5.4 at 1/3 the price.
Which should you choose: Gemini 3.1 Pro or GPT-5.4 mini?
- → Google's latest flagship with major reasoning improvements
- → 1M token context window
- → Native multimodal (text, image, video, audio)
- → Strong mid-tier quality close to GPT-5.4 at 1/3 the price
- → Fast inference and low latency
- → Same 272K context window as flagship
Frequently Asked Questions
Which is cheaper: Gemini 3.1 Pro or GPT-5.4 mini?
GPT-5.4 mini is cheaper at $0.75/1M per 1M input tokens, making it 2.7x more affordable.
Which has better quality: Gemini 3.1 Pro or GPT-5.4 mini?
Gemini 3.1 Pro scores higher on the LMSYS Chatbot Arena with an ELO of 1410, suggesting better overall quality for most tasks.
Which has a larger context window: Gemini 3.1 Pro or GPT-5.4 mini?
Gemini 3.1 Pro has a larger context window at 1000K tokens.
Should I choose Gemini 3.1 Pro or GPT-5.4 mini?
Choose GPT-5.4 mini if cost is the priority. Choose Gemini 3.1 Pro if benchmark quality is most important. Consider your specific use case: Gemini 3.1 Pro is best for reasoning and long-context, while GPT-5.4 mini excels at customer-support and data-extraction.
Is Gemini 3.1 Pro or GPT-5.4 mini open source?
Gemini 3.1 Pro is proprietary. GPT-5.4 mini is proprietary.