GPT-5.4 vs Gemini 3 Flash
Pricing, context window, and benchmark comparison · Last updated April 2026
Gemini 3 Flash is cheaper than GPT-5.4 at $0.50/1M/1M vs $2.50/1M/1M input tokens — a 5.0x cost difference. GPT-5.4 scores higher on quality benchmarks (ELO 1420). Choose Gemini 3 Flash for cost-sensitive workloads; choose GPT-5.4 for maximum quality.
Which is cheaper: GPT-5.4 or Gemini 3 Flash?
Gemini 3 Flash is the cheaper option at $0.50/1M per 1M input tokens, compared to $2.50/1M for GPT-5.4. That is a 5.0x cost difference on input tokens. Output pricing follows a similar pattern: GPT-5.4 charges $15.00/1M/1M vs $3.00/1M/1M for Gemini 3 Flash.
Which has better quality: GPT-5.4 or Gemini 3 Flash?
Based on LMSYS Chatbot Arena rankings, GPT-5.4 achieves a higher ELO score (1420 vs 1370), suggesting stronger performance on open-ended tasks. GPT-5.4 excels at openai flagship — top-tier reasoning, coding, and multimodal. Gemini 3 Flash is known for gemini 3-generation quality at flash pricing.
Which should you choose: GPT-5.4 or Gemini 3 Flash?
- → OpenAI flagship — top-tier reasoning, coding, and multimodal
- → Native computer use and tool search
- → 272K standard context (expandable to 1M)
- → Gemini 3-generation quality at Flash pricing
- → 1M context window
- → Strong multimodal reasoning
Frequently Asked Questions
Which is cheaper: GPT-5.4 or Gemini 3 Flash?
Gemini 3 Flash is cheaper at $0.50/1M per 1M input tokens, making it 5.0x more affordable.
Which has better quality: GPT-5.4 or Gemini 3 Flash?
GPT-5.4 scores higher on the LMSYS Chatbot Arena with an ELO of 1420, suggesting better overall quality for most tasks.
Which has a larger context window: GPT-5.4 or Gemini 3 Flash?
Gemini 3 Flash has a larger context window at 1000K tokens.
Should I choose GPT-5.4 or Gemini 3 Flash?
Choose Gemini 3 Flash if cost is the priority. Choose GPT-5.4 if benchmark quality is most important. Consider your specific use case: GPT-5.4 is best for coding and reasoning, while Gemini 3 Flash excels at fast-response and function-calling.
Is GPT-5.4 or Gemini 3 Flash open source?
GPT-5.4 is proprietary. Gemini 3 Flash is proprietary.