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Gemini 3 Flash vs GPT-5.4 mini

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

Quick Verdict

Gemini 3 Flash is cheaper than GPT-5.4 mini at $0.50/1M/1M vs $0.75/1M/1M input tokens — a 1.5x cost difference. Gemini 3 Flash scores higher on quality benchmarks (ELO 1370). Choose Gemini 3 Flash for cost-sensitive workloads; both are strong choices depending on your budget.

Detailed Comparison

MetricGemini 3 FlashGPT-5.4 mini
Input Price / 1M tokens$0.50/1MCheaper$0.75/1M
Output Price / 1M tokens$3.00/1MCheaper$4.50/1M
Context Window1MLarger272K
ELO Score (LMSYS)1370Smarter1360
Open Source
Free Tier
Release Date2026-022026-03

Which is cheaper: Gemini 3 Flash or GPT-5.4 mini?

Gemini 3 Flash is the cheaper option at $0.50/1M per 1M input tokens, compared to $0.75/1M for GPT-5.4 mini. That is a 1.5x cost difference on input tokens. Output pricing follows a similar pattern: Gemini 3 Flash charges $3.00/1M/1M vs $4.50/1M/1M for GPT-5.4 mini.

Which has better quality: Gemini 3 Flash or GPT-5.4 mini?

Based on LMSYS Chatbot Arena rankings, Gemini 3 Flash achieves a higher ELO score (1370 vs 1360), suggesting stronger performance on open-ended tasks. Gemini 3 Flash excels at gemini 3-generation quality at flash pricing. 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 Flash or GPT-5.4 mini?

Choose Gemini 3 Flash if:
  • Gemini 3-generation quality at Flash pricing
  • 1M context window
  • Strong multimodal reasoning
Choose GPT-5.4 mini if:
  • 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 Flash or GPT-5.4 mini?

Gemini 3 Flash is cheaper at $0.50/1M per 1M input tokens, making it 1.5x more affordable.

Which has better quality: Gemini 3 Flash or GPT-5.4 mini?

Gemini 3 Flash scores higher on the LMSYS Chatbot Arena with an ELO of 1370, suggesting better overall quality for most tasks.

Which has a larger context window: Gemini 3 Flash or GPT-5.4 mini?

Gemini 3 Flash has a larger context window at 1000K tokens.

Should I choose Gemini 3 Flash or GPT-5.4 mini?

Choose Gemini 3 Flash if cost is the priority. Choose Gemini 3 Flash if benchmark quality is most important. Consider your specific use case: Gemini 3 Flash is best for fast-response and function-calling, while GPT-5.4 mini excels at customer-support and data-extraction.

Is Gemini 3 Flash or GPT-5.4 mini open source?

Gemini 3 Flash is proprietary. GPT-5.4 mini is proprietary.

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