Gemini 3.5 Flash vs DeepSeek V4 Pro
Google's newest Flash model meets DeepSeek's budget champion. DeepSeek V4 Pro costs 71% less on input and 90% less on output — both with 1M context. See which fits your workload.
Pricing data verified: Jun 7, 2026
| Specification | Gemini 3.5 Flash (Google) | DeepSeek V4 Pro (DeepSeek) |
|---|---|---|
| Input Price (per 1M tokens) | $1.50 | $0.435 |
| Output Price (per 1M tokens) | $9.00 | $0.87 |
| Context Window | 1M tokens | 1M tokens |
| Tier | Mid | Budget |
| Provider | DeepSeek |
Calculate Your Exact Costs
Different tiers, massive price gap — see how the costs stack up for your usage.
Other Models to Consider
Which Model for Which Use Case?
High-Volume Chatbots
DeepSeek V4 Pro's 90% cheaper output pricing makes it the clear winner for chatbots handling thousands of daily conversations.
Google Cloud Integration
If you're already on Google Cloud Platform, Gemini 3.5 Flash integrates natively with Vertex AI, BigQuery ML, and Cloud Functions.
Content Generation
Output-heavy workloads like article writing and marketing copy. DeepSeek V4 Pro's 90% cheaper output pricing wins decisively.
Enterprise Compliance
Google Cloud offers SOC 2, HIPAA BAA, and enterprise SLAs. For regulated industries, Gemini's compliance certifications may be required.
Comparing Google and DeepSeek?
APIpulse Pro lets you compare all 39 models, find the cheapest option for your exact usage, and save scenarios for your team.
Frequently Asked Questions
Is Gemini 3.5 Flash cheaper than DeepSeek V4 Pro?
No. DeepSeek V4 Pro is significantly cheaper: $0.435/M input (71% cheaper than Gemini 3.5 Flash's $1.50/M) and $0.87/M output (90% cheaper than Gemini 3.5 Flash's $9.00/M). Both have 1M context windows.
When would I choose Gemini 3.5 Flash?
Choose Gemini 3.5 Flash if you need Google ecosystem integration (Vertex AI, BigQuery), prefer a US-based provider with enterprise support, or need Google's multimodal capabilities. Gemini also offers a generous free tier.
Do both models have 1M context windows?
Yes. Both Gemini 3.5 Flash and DeepSeek V4 Pro support 1M token context windows, making them suitable for long documents, codebases, and extended conversations.
Which is better for production workloads?
Gemini 3.5 Flash benefits from Google Cloud's enterprise infrastructure and SLA guarantees. DeepSeek V4 Pro offers comparable quality at a fraction of the cost. For cost-sensitive workloads, DeepSeek wins. For enterprise compliance, Gemini may be preferred.