Model comparison
Gemini 3.5 Flash vs DeepSeek V3.2
Compare Gemini 3.5 Flash vs DeepSeek V3.2 API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.
Gemini 3.5 Flash
gemini · gemini-3.5-flash
- Input
- $1.5
- Output
- $9
- Context
- 1M
DeepSeek V3.2
deepseek · deepseek/deepseek-v3.2
- Input
- $0.28
- Output
- $0.4
- Context
- 163.8K
Quick take
DeepSeek V3.2 has the lower input price at $0.28 per 1M input tokens. DeepSeek V3.2 is cheaper for the example blended workload below. Gemini 3.5 Flash has the larger context window at 1M tokens.
Choose Gemini 3.5 Flash if...
- Gemini 3.5 Flash is safer for long documents, repository analysis, and RAG prompts because it has the larger context window.
- Gemini 3.5 Flash is required if images, screenshots, or visual documents are part of the workflow.
Choose DeepSeek V3.2 if...
- DeepSeek V3.2 is the better default for cost-sensitive traffic and repeated high-volume calls.
- DeepSeek V3.2 gives more room for long generated answers, reports, or code output.
Example workload cost
Estimates use input tokens plus 20% output tokens. They exclude provider discounts, cache hits, and tool/search surcharges.
| Workload | Gemini 3.5 Flash | DeepSeek V3.2 | Cheaper |
|---|---|---|---|
| 1M input + 200K output | $3.30 | $0.36 | DeepSeek V3.2 |
| 10M input + 2M output | $33.00 | $3.60 | DeepSeek V3.2 |
| 100M input + 20M output | $330.00 | $36.00 | DeepSeek V3.2 |
Context, output, and capability fit
Gemini 3.5 Flash provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.
- Gemini 3.5 Flash max output
- 65.5K
- DeepSeek V3.2 max output
- 163.8K
- Gemini 3.5 Flash features
- prompt caching, function calling, vision
- DeepSeek V3.2 features
- prompt caching, function calling
Risk notes for Gemini 3.5 Flash
- No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.
Risk notes for DeepSeek V3.2
- Smaller context window: long PDFs, codebases, or RAG prompts may need chunking.
Routing tags
fastreasoninglong-contextmultimodalcache-friendlystablebudgetraghigh-volumecodingopen-weightlocal-open