DeepSeek R1 (Reasoning) vs Gemini 1.5 Flash
Compare DeepSeek R1 (Reasoning) vs Gemini 1.5 Flash API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.
DeepSeek R1 (Reasoning) charges $0.55/1M input and $2.19/1M output tokens, compared to Gemini 1.5 Flash at $0.07/1M input and $0.30/1M output. Gemini 1.5 Flash is 7.3x cheaper on input tokens. In benchmark reasoning, DeepSeek R1 (Reasoning) holds the higher intelligence rating (96/100). For latency-critical streaming, DeepSeek R1 (Reasoning) delivers 65 t/s (650ms TTFT) while Gemini 1.5 Flash provides 180 t/s (210ms TTFT).
Full Metric & Specification Comparison
| Metric | DeepSeek R1 (Reasoning) | Gemini 1.5 Flash | Advantage |
|---|---|---|---|
| Provider | DeepSeek | - | |
| Input Token Cost (1M) | $0.550 | $0.075 | Gemini 1.5 Flash |
| Output Token Cost (1M) | $2.190 | $0.300 | Gemini 1.5 Flash |
| Context Window | 128k tokens | 1,000k tokens | Gemini 1.5 Flash |
| Intelligence Benchmark Score | 96/100 | 79/100 | DeepSeek R1 (Reasoning) |
| Streaming Latency | Moderate | Ultra-Fast | - |
Key Architectural Takeaways
- Input Token Cost: DeepSeek R1 (Reasoning) is $0.55/1M vs Gemini 1.5 Flash at $0.07/1M
- Output Token Cost: DeepSeek R1 (Reasoning) is $2.19/1M vs Gemini 1.5 Flash at $0.30/1M
- Context Window: DeepSeek R1 (Reasoning) supports 128k tokens vs Gemini 1.5 Flash with 1,000k tokens
- Benchmark Intelligence Rating: DeepSeek R1 (Reasoning) scores 96/100 vs Gemini 1.5 Flash at 79/100
- Inference Latency: DeepSeek R1 (Reasoning) is rated Moderate vs Gemini 1.5 Flash rated Ultra-Fast
Calculate Your Team's Exact Bill Difference
Drag the sliders below to see real-time cost divergences based on your daily token consumption.
Deploying Gemini 1.5 Flash over DeepSeek R1 (Reasoning) saves $21.30/mo ($256/yr) at this volume.
Frequently Asked Questions
Is DeepSeek R1 (Reasoning) cheaper than Gemini 1.5 Flash?
Gemini 1.5 Flash is significantly more economical, charging $0.07/1M input compared to $0.55/1M for DeepSeek R1 (Reasoning).
Which model should I choose for production?
If your primary constraint is API cost and high query throughput, choose Gemini 1.5 Flash. If you require peak reasoning accuracy and complex tool use, DeepSeek R1 (Reasoning) is recommended.
How does context window compare between DeepSeek R1 (Reasoning) and Gemini 1.5 Flash?
Gemini 1.5 Flash offers the larger context window (1,000k tokens), allowing you to pass significantly larger codebases or documents without chunking.
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