How much can I save switching from Gemini 3 Flash to DeepSeek V4 Flash?

You can save 72% on input and 91% on output tokens by switching. For a typical workload of 1M input + 500K output tokens per month, DeepSeek V4 Flash costs $0.66 vs $2.00 — saving $1.72/month.

Which model should I use: Gemini 3 Flash or DeepSeek V4 Flash?

Choose DeepSeek V4 Flash for cost efficiency — it's 72% cheaper on input. Choose Gemini 3 Flash if you need Google ecosystem integration. Both have 1M context windows.

Is DeepSeek V4 Flash still available?

DeepSeek V4 Flash was retired in September 2026. The legacy deepseek-v4-flash model name still accepts requests, but they are served by DeepSeek-V4.1-Flash and billed at its current Flash rates ($0.15 input / $0.60 output per 1M tokens off-peak, $0.30/$1.20 peak). The $0.22/$0.66 figures shown on this page are V4 Flash's pre-retirement prices, kept as a labeled historical comparison baseline.

Gemini 3 Flash vs DeepSeek V4 Flash

Q: Is DeepSeek V4 Flash cheaper than Gemini 3 Flash?

Yes, DeepSeek V4 Flash costs $0.22/$0.66 per 1M tokens while Gemini 3 Flash costs $0.5/$3. That's 72% cheaper on input and 91% cheaper on output.

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

Last verified Jul 2026 · Prices per 1M tokens

Update (Oct 2, 2026): DeepSeek V4 Flash is retired. The legacy deepseek-v4-flash name still works, but requests are served by DeepSeek-V4.1-Flash and billed at $0.15/$0.60 off-peak — below the $0.22/$0.66 historical baseline used in this comparison. See the DeepSeek pricing guide for current numbers.

Quick Comparison

Feature	Gemini 3 Flash	DeepSeek V4 Flash
Provider	Google	DeepSeek
Tier	Budget	Budget
Input Price	$0.5	$0.22
Output Price	$3	$0.66
Context Window	1M	1M
Verified	Jun 2026	Jun 2026

When to Use Each

💰 Cost-Sensitive Workloads

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

→ Use DeepSeek V4 Flash — 72% cheaper input, 91% 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.

→ DeepSeek V4 Flash for cost at scale, Gemini 3 Flash if quality matters more

🔬 Prototyping & Testing

Development, experimentation, and non-critical workloads.

→ Use DeepSeek V4 Flash — same context (1M), much cheaper

Track price changes for both models

APIpulse monitors 120 models across 16 providers. Get alerts when Gemini 3 Flash or DeepSeek V4 Flash prices change.

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Frequently Asked Questions

Is DeepSeek V4 Flash cheaper than Gemini 3 Flash?

Yes. DeepSeek V4 Flash ($0.22 input / $0.66 output per 1M tokens, while Gemini 3 Flash costs $0.5 input / $3 output. That's 72% cheaper on input and 91% cheaper on output.

How much can I save switching to DeepSeek V4 Flash?

For a typical workload (1M input + 500K output tokens/month), DeepSeek V4 Flash costs $0.55/month vs $2.00/month for Gemini 3 Flash. That's a savings of $1.72/month (91%).

Which should I choose: Gemini 3 Flash or DeepSeek V4 Flash?

Choose DeepSeek V4 Flash for cost efficiency. Choose Gemini 3 Flash for Google ecosystem benefits. Both have 1M context windows.