How much can I save switching from Gemini 3 Flash to GPT-4o mini?

You can save 70% on input and 80% on output tokens by switching. For a typical workload of 1M input + 500K output tokens per month, GPT-4o mini costs $0.45 vs $2.00 — saving $1.55/month.

Which model should I use: Gemini 3 Flash or GPT-4o mini?

Choose GPT-4o mini for cost efficiency — it's 70% cheaper on input. Choose Gemini 3 Flash if you need Google ecosystem integration. Gemini 3 Flash has 1M context vs GPT-4o mini's 128K.

Gemini 3 Flash vs GPT-4o mini

Q: Is GPT-4o mini cheaper than Gemini 3 Flash?

Yes, GPT-4o mini costs $0.15/$0.6 per 1M tokens while Gemini 3 Flash costs $0.5/$3. That's 70% cheaper on input and 80% cheaper on output.

Side-by-side API pricing comparison: which model gives you more for less?

Last verified Jun 2026 · Prices per 1M tokens

Quick Comparison

Feature	Gemini 3 Flash	GPT-4o mini
Provider	Google	OpenAI
Tier	Budget	Budget
Input Price	$0.5	$0.15
Output Price	$3	$0.6
Context Window	1M	128K
Verified	Jun 2026	May 2026

When to Use Each

💰 Cost-Sensitive Workloads

High-volume APIs, batch processing, and startups watching runway.

→ Use GPT-4o mini — 70% cheaper input, 80% cheaper output

🧠 Complex Reasoning

Tasks requiring advanced reasoning, code generation, or nuanced analysis.

→ Either model works — compare quality on your specific tasks

⚡ High-Throughput APIs

Real-time chatbots, streaming responses, and latency-sensitive apps.

→ GPT-4o mini for cost at scale, Gemini 3 Flash if quality matters more

🔬 Prototyping & Testing

Development, experimentation, and non-critical workloads.

→ Use GPT-4o mini — same context (1M), much cheaper

Track price changes for both models

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Frequently Asked Questions

Is GPT-4o mini cheaper than Gemini 3 Flash?

Yes. GPT-4o mini costs $0.15 input / $0.6 output per 1M tokens, while Gemini 3 Flash costs $0.5 input / $3 output. That's 70% cheaper on input and 80% cheaper on output.

How much can I save switching to GPT-4o mini?

For a typical workload (1M input + 500K output tokens/month), GPT-4o mini costs $0.45/month vs $2.00/month for Gemini 3 Flash. That's a savings of $1.55/month (80%).

Which should I choose: Gemini 3 Flash or GPT-4o mini?

Choose GPT-4o mini for cost efficiency. Choose Gemini 3 Flash for Google ecosystem benefits. Gemini 3 Flash has 1M context vs GPT-4o mini's 128K.