DeepSeek V4 Pro vs Gemini 3.1 Pro
DeepSeek V4 Pro is 78% cheaper on input ($0.435 vs $2.00) and 93% cheaper on output ($0.87 vs $12.00). Both offer 1M token context windows.
Pricing data verified: 2026-06-21
| Specification | DeepSeek V4 Pro (DeepSeek) | Gemini 3.1 Pro (Google) |
|---|---|---|
| Input Price (per 1M tokens) | $0.435 | $2.00 |
| Output Price (per 1M tokens) | $0.870 | $12.00 |
| Context Window | 1M | 1M |
| Tier | Budget | Mid |
| Provider | DeepSeek |
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Other Models to Consider
Which Model for Which Use Case?
Budget-First Production
DeepSeek V4 Pro is 89% cheaper overall. At 10,000 requests/day, you save ~$2,140/month vs Gemini 3.1 Pro. For most text-based production workloads, DeepSeek delivers excellent quality at a fraction of the cost.
Multimodal & Vision
Gemini 3.1 Pro supports images, video, and audio natively. DeepSeek V4 Pro is text-only. If your application requires multimodal understanding, Gemini is the only option.
Complex Reasoning
Gemini 3.1 Pro has stronger performance on complex reasoning benchmarks and multi-step analysis. For tasks where accuracy directly impacts revenue or safety, Gemini's quality advantage may justify the cost.
High-Volume Text Processing
For classification, extraction, summarization, and other text tasks at scale, DeepSeek V4 Pro's 93% output savings make it the clear winner. Quality is excellent for most production text workloads.
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Frequently Asked Questions
Is DeepSeek V4 Pro cheaper than Gemini 3.1 Pro?
Yes, by a wide margin. DeepSeek V4 Pro costs $0.435/M input (78% cheaper) and $0.87/M output (93% cheaper). For output-heavy workloads, DeepSeek is roughly 14x cheaper.
When would I choose Gemini 3.1 Pro?
Choose Gemini 3.1 Pro when you need Google ecosystem integration, multimodal capabilities, or stronger performance on complex reasoning tasks. Gemini's enterprise support and SLAs may also justify the premium.
Which model is better for production use?
Both work well in production. DeepSeek V4 Pro offers unbeatable value for text-based tasks. Gemini 3.1 Pro is better for multimodal workloads and when you need Google Cloud integration and support.
How much can I save with DeepSeek V4 Pro?
For 1,000 input tokens and 500 output tokens at 1,000 requests/day, DeepSeek V4 Pro costs roughly $26/month vs Gemini 3.1 Pro's $240/month — saving you about $214/month or 89%.