DeepSeek V4 Flash Vision Exp vs Gemini 3.1 Flash-Lite Preview
Pricing verdict: DeepSeek V4 Flash Vision Exp vs Gemini 3.1 Flash-Lite Preview: DeepSeek V4 Flash Vision Exp is cheaper for input-heavy usage ($0.22/M vs $0.25/M input tokens), while DeepSeek V4 Flash Vision Exp is better for long-context tasks (1,000,000 tokens).
Direct answer: choose DeepSeek V4 Flash Vision Exp for lower token spend and choose DeepSeek V4 Flash Vision Exp when your workload needs longer context.
Compare API pricing, input and output token costs, context windows, and monthly estimates on one page so you can pick the right model fast.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
DeepSeek V4 Flash Vision Exp
Gemini 3.1 Flash-Lite Preview
Cost Differences
Gemini 3.1 Flash-Lite Preview costs more than DeepSeek V4 Flash Vision Exp
Quick Recommendation
Winner for direct API pricing: DeepSeek V4 Flash Vision Exp. At the default workload, DeepSeek V4 Flash Vision Exp saves about $1.35/month ($16.425/year) versus Gemini 3.1 Flash-Lite Preview.
Feature Comparison
| Feature | DeepSeek V4 Flash Vision Exp | Gemini 3.1 Flash-Lite Preview |
|---|---|---|
| Provider | DeepSeek | |
| Input Price | $0.22/1M tokens | $0.25/1M tokens |
| Output Price | $0.66/1M tokens | $1.50/1M tokens |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Max Output | 384,000 tokens | 8,192 tokens |
| Category | efficient | efficient |
| Capabilities | textvisioncodereasoning | textvisioncode |
| Release Date | 8/21/2026 | 3/3/2026 |
DeepSeek V4 Flash Vision Exp vs Gemini 3.1 Flash-Lite Preview: Which Should You Choose?
Choosing between DeepSeek V4 Flash Vision Exp and Gemini 3.1 Flash-Lite Preview depends on your priorities: cost efficiency, context length, or raw capability. DeepSeek V4 Flash Vision Exp is the more affordable option at $0.22/1M input tokens — 12% cheaper than Gemini 3.1 Flash-Lite Preview.
These models come from different providers — DeepSeek and Google — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with DeepSeek, switching to Googleinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.
Both models are in the efficient category, making this a direct head-to-head comparison. At scale — say 10,000 requests per day — the cost difference adds up: DeepSeek V4 Flash Vision Exp would save you roughly $135.00/month compared to Gemini 3.1 Flash-Lite Preview. For startups and indie developers, that difference can be significant.
Output costs matter too. DeepSeek V4 Flash Vision Exp charges $0.66/1M output tokens vs $1.50 for Gemini 3.1 Flash-Lite Preview. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. DeepSeek V4 Flash Vision Exp has the edge here at $0.66/1M output tokens.
Multimodal capabilities: Both models support vision (image understanding), so you can send images alongside text prompts with either option.
Best Use Cases
Choose DeepSeek V4 Flash Vision Exp when:
- • Budget is a primary concern
- • You need more capabilities (reasoning)
- • You need longer outputs (up to 384,000 tokens)
- • You're already using DeepSeek's API ecosystem
- • You're running high-volume, latency-sensitive workloads
Choose Gemini 3.1 Flash-Lite Preview when:
- • You're already using Google's API ecosystem
- • You're running high-volume, latency-sensitive workloads
Pros and Caveats at a Glance
DeepSeek V4 Flash Vision Exp
- • Input pricing: $0.22/M tokens
- • Output pricing: $0.66/M tokens
- • Context window: 1,000,000 tokens
- • Max output: 384,000 tokens
Watch out for
- • Trade-offs are minor in this matchup.
Gemini 3.1 Flash-Lite Preview
- • Input pricing: $0.25/M tokens
- • Output pricing: $1.50/M tokens
- • Context window: 1,000,000 tokens
- • Max output: 8,192 tokens
Watch out for
- • Higher input cost than DeepSeek V4 Flash Vision Exp
- • Higher output cost than DeepSeek V4 Flash Vision Exp
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
DeepSeek V4 Flash Vision Exp (DeepSeek)
Gemini 3.1 Flash-Lite Preview (Google)
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Sign Up for Google →Frequently Asked Questions
Which is cheaper, DeepSeek V4 Flash Vision Exp or Gemini 3.1 Flash-Lite Preview?▼
What is the context window difference between DeepSeek V4 Flash Vision Exp and Gemini 3.1 Flash-Lite Preview?▼
Which model is better for AI Chatbot?▼
Which model has better overall pricing for heavy usage?▼
Where can I compare DeepSeek and Google API pricing beyond this model matchup?▼
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