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Gemini 2.5 Flash vs Deepseek V3.2
Side-by-side pricing, context window, features, and per-use-case verdict. Data sourced from LiteLLM, updated regularly.
Specifications
| Feature | Gemini 2.5 Flash | Deepseek V3.2 |
|---|---|---|
| Provider | vertex ai-language-models | deepseek |
| Model ID | gemini-2.5-flash | deepseek/deepseek-v3.2 |
| Input / 1M tokens | $0.30 | $0.28 (7% cheaper) |
| Output / 1M tokens | $2.50 | $0.40 (84% cheaper) |
| Cached input / 1M | $0.03 | — |
| Context window | 1049kk tokens | 164kk tokens |
| Max output | 66kk tokens | 164kk tokens |
| Vision | ✅ | ⬜ |
| Function calling | ✅ | ✅ |
| Prompt caching | ✅ | ✅ |
| Web search | ✅ | ⬜ |
| JSON schema | ✅ | ⬜ |
Monthly cost comparison
No cache discount applied — pure token costs at three usage scales.
| Scale | Gemini 2.5 Flash | Deepseek V3.2 | Winner |
|---|---|---|---|
| Small 1M in / 0.2M out | $0.80 | $0.36 | Deepseek V3.2 saves 55% |
| Medium 10M in / 2M out | $8.00 | $3.60 | Deepseek V3.2 saves 55% |
| Large 100M in / 20M out | $80.00 | $36.00 | Deepseek V3.2 saves 55% |
Category winners
Cheapest input
Deepseek V3.2
$0.28/M
· 7% less than the other
Cheapest output
Deepseek V3.2
$0.40/M
· 84% less than the other
Larger context
Gemini 2.5 Flash
1049kk tokens · 540% larger window
More features
Gemini 2.5 Flash
5 / 5 capabilities
Better for…
High-volume RAG & repeated context
$0.03/M cached input — prompt caching makes repeated context retrieval significantly cheaper
Gemini 2.5 Flash
Short interactions & high-throughput APIs
$0.40/M output — 84% cheaper on output at scale
Deepseek V3.2
Long-document processing & large codebases
1049k context window vs 164k — 540% larger context
Gemini 2.5 Flash
Agentic workflows & tool use
Supports 5 of 5 tracked capabilities (vision, function calling, caching, web search, JSON schema)
Gemini 2.5 Flash
Deep-dive on each model
Pricing data sourced from LiteLLM and refreshed regularly. Always verify with each provider's official pricing page before making business decisions.