Gemini 2.5 Pro vs GPT-5.4 mini
Pricing, context window, and benchmark comparison · Last updated April 2026
GPT-5.4 mini is cheaper than Gemini 2.5 Pro at $0.75/1M/1M vs $1.25/1M/1M input tokens — a 1.7x cost difference. Gemini 2.5 Pro scores higher on quality benchmarks (ELO 1385). Choose GPT-5.4 mini for cost-sensitive workloads; choose Gemini 2.5 Pro for maximum quality.
Which is cheaper: Gemini 2.5 Pro or GPT-5.4 mini?
GPT-5.4 mini is the cheaper option at $0.75/1M per 1M input tokens, compared to $1.25/1M for Gemini 2.5 Pro. That is a 1.7x cost difference on input tokens. Output pricing follows a similar pattern: Gemini 2.5 Pro charges $10.00/1M/1M vs $4.50/1M/1M for GPT-5.4 mini.
Which has better quality: Gemini 2.5 Pro or GPT-5.4 mini?
Based on LMSYS Chatbot Arena rankings, Gemini 2.5 Pro achieves a higher ELO score (1385 vs 1360), suggesting stronger performance on open-ended tasks. Gemini 2.5 Pro excels at 2m token context window — among the largest available. 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 2.5 Pro or GPT-5.4 mini?
- → 2M token context window — among the largest available
- → Strong multimodal reasoning across text, video, and audio
- → Excellent price-to-quality ratio vs. flagships
- → 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 2.5 Pro or GPT-5.4 mini?
GPT-5.4 mini is cheaper at $0.75/1M per 1M input tokens, making it 1.7x more affordable.
Which has better quality: Gemini 2.5 Pro or GPT-5.4 mini?
Gemini 2.5 Pro scores higher on the LMSYS Chatbot Arena with an ELO of 1385, suggesting better overall quality for most tasks.
Which has a larger context window: Gemini 2.5 Pro or GPT-5.4 mini?
Gemini 2.5 Pro has a larger context window at 2000K tokens.
Should I choose Gemini 2.5 Pro or GPT-5.4 mini?
Choose GPT-5.4 mini if cost is the priority. Choose Gemini 2.5 Pro if benchmark quality is most important. Consider your specific use case: Gemini 2.5 Pro is best for long-context and document-analysis, while GPT-5.4 mini excels at customer-support and data-extraction.
Is Gemini 2.5 Pro or GPT-5.4 mini open source?
Gemini 2.5 Pro is proprietary. GPT-5.4 mini is proprietary.