DeepSeek
DeepSeek V4 Pro
$0.00
per month
Input cost
Output cost
Cost per request
Requests/month
Google
Gemini 3 Flash
$0.00
per month
Input cost
Output cost
Cost per request
Requests/month

Other Models to Consider

GPT-5 mini
OpenAI
$0.25 / $2.00 per 1M
272K context
Mistral Small 4
Mistral
$0.15 / $0.60 per 1M
128K context
Gemini 2.5 Flash-Lite
Google
$0.10 / $0.40 per 1M
1M context

Which Model for Which Use Case?

Output-Heavy Workloads

DeepSeek V4 Pro's $0.87/M output price is 71% cheaper than Gemini's $3.00/M. For content generation, chatbots, or any task with lots of output, DeepSeek saves significantly.

Cheaper output: DeepSeek V4 Pro

Google Cloud Integration

If you're on Google Cloud, Gemini 3 Flash integrates natively with Vertex AI, BigQuery, and other GCP services. The ecosystem advantage may outweigh the price difference.

Better ecosystem: Gemini 3 Flash

Coding & Reasoning

DeepSeek V4 Pro is known for excellent coding capabilities and reasoning tasks. If code generation or complex analysis is your primary use case, DeepSeek offers great value.

Better coding: DeepSeek V4 Pro

Multimodal Tasks

Gemini 3 Flash supports vision, audio, and video inputs. If you need multimodal capabilities, Gemini is the clear choice — DeepSeek is text-only.

Better multimodal: Gemini 3 Flash

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Frequently Asked Questions

Is DeepSeek V4 Pro cheaper than Gemini 3 Flash?

Yes. DeepSeek V4 Pro is cheaper on both input ($0.435/M vs $0.50/M, 13% cheaper) and output ($0.87/M vs $3.00/M, 71% cheaper). For output-heavy workloads, DeepSeek is dramatically cheaper.

When would I choose Gemini 3 Flash over DeepSeek V4 Pro?

Choose Gemini 3 Flash if you need Google's ecosystem (Vertex AI, Google Cloud integration), multimodal capabilities (vision, audio), or prefer a US-based provider. Gemini also has a larger 1M context window.

Which model has better quality?

Both are strong budget models. DeepSeek V4 Pro is known for excellent coding and reasoning. Gemini 3 Flash excels at multimodal tasks and has Google's infrastructure backing. Quality is comparable for most text tasks.

Is DeepSeek reliable for production use?

DeepSeek has improved reliability significantly, but some teams prefer Google's infrastructure for mission-critical applications. For cost-sensitive workloads where occasional latency is acceptable, DeepSeek offers the best price-to-performance ratio.

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