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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.

Overall Winner
Gemini 1.5 Flash
Best Price/IQ Balance
Budget Winner
Gemini 1.5 Flash
Gemini 1.5 Flash is 7.3x cheaper on input tokens
Coding & Logic
DeepSeek R1 (Reasoning)
Higher Benchmark Rating
Context Window
Gemini 1.5 Flash
Larger Document Context

Full Metric & Specification Comparison

MetricDeepSeek R1 (Reasoning)Gemini 1.5 FlashAdvantage
ProviderDeepSeekGoogle-
Input Token Cost (1M)$0.550$0.075Gemini 1.5 Flash
Output Token Cost (1M)$2.190$0.300Gemini 1.5 Flash
Context Window128k tokens1,000k tokensGemini 1.5 Flash
Intelligence Benchmark Score96/10079/100DeepSeek R1 (Reasoning)
Streaming LatencyModerateUltra-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

Simulate Your Team's Actual Spend

Active Gateway: Direct Provider API

Quick Workload Presets

Pick a scenario or fine-tune token parameters and cloud host below.

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Token & Usage ParametersLLM API

tokens
Quick:
10k1M5M20M+
tokens
Quick:
5k200k1M5M+
Up to 90% Off
Flat 50% Off
1
Executive Savings InsightDirect Provider API
$189.15/ month saved

Switching from GPT-4o ($195.00/mo) to Gemini 1.5 Flash ($5.85/mo) saves 97%.

$2270 / year ROI
Annualized capital savings
Gemini 1.5 FlashGoogleLowest Cost

Lowest cost per token, high-frequency tasks, real-time audio/video

$0.07/1M in$0.30/1M out180 t/s1000k ctx
$5.85/ mo
$0.20 / day · $71 / yr
Specs & Hardware →
DeepSeek V3DeepSeek

State-of-the-art open economics, high-performance general intelligence

$0.14/1M in$0.28/1M out85 t/s128k ctx
$7.56/ mo
$0.25 / day · $92 / yr
Specs & Hardware →
Gemini 2.0 FlashGoogle

Real-time conversational streaming, vision, multimodal processing at speed

$0.10/1M in$0.40/1M out260 t/s1000k ctx
$7.80/ mo
$0.26 / day · $95 / yr
Specs & Hardware →
GPT-4o MiniOpenAI

High-volume text processing, fast chatbots, structured JSON extraction

$0.15/1M in$0.60/1M out145 t/s128k ctx
$11.70/ mo
$0.39 / day · $142 / yr
Specs & Hardware →
Qwen 2.5 72BAlibaba

Top open-weights coding, math, and multilingual benchmark performance

$0.35/1M in$0.40/1M out110 t/s128k ctx
$15.30/ mo
$0.51 / day · $186 / yr
Specs & Hardware →
Llama 3.3 70B (Groq/Together)Meta

Open-weights privacy, self-hosting or ultra-cheap hosted inferencing

$0.59/1M in$0.79/1M out310 t/s128k ctx
$27.18/ mo
$0.91 / day · $331 / yr
Specs & Hardware →
DeepSeek R1 (Reasoning)DeepSeek

Complex math, algorithmic reasoning, open deep-thinking workflows

$0.55/1M in$2.19/1M out65 t/s128k ctx
$42.78/ mo
$1.43 / day · $520 / yr
Specs & Hardware →
Claude 3.5 HaikuAnthropic

Rapid code completion, customer service, fast structured parsing

$0.80/1M in$4.00/1M out130 t/s200k ctx
$72.00/ mo
$2.40 / day · $876 / yr
Specs & Hardware →
o3-mini (Reasoning)OpenAI

Cost-effective scientific & coding reasoning, high-accuracy logic

$1.10/1M in$4.40/1M out95 t/s200k ctx
$85.80/ mo
$2.86 / day · $1044 / yr
Specs & Hardware →
Gemini 1.5 ProGoogle

Massive context (2M tokens), full video/audio analysis, large codebases

$1.25/1M in$5.00/1M out82 t/s2000k ctx
$97.50/ mo
$3.25 / day · $1186 / yr
Specs & Hardware →
Mistral Large 2Mistral

Multilingual tasks, European compliance, enterprise code generation

$2.00/1M in$6.00/1M out80 t/s128k ctx
$132.00/ mo
$4.40 / day · $1606 / yr
Specs & Hardware →
Grok 2xAI

Real-time information synthesis, creative generation, vision analysis

$2.00/1M in$10.00/1M out75 t/s128k ctx
$180.00/ mo
$6.00 / day · $2190 / yr
Specs & Hardware →
GPT-4o (Omni)OpenAIIndustry Baseline

Complex multimodal reasoning, coding, and production enterprise apps

$2.50/1M in$10.00/1M out90 t/s128k ctx
$195.00/ mo
$6.50 / day · $2373 / yr
Specs & Hardware →
Claude 3.5 SonnetAnthropicDeveloper Favorite

Software engineering, nuanced writing, complex agentic tool use

$3.00/1M in$15.00/1M out80 t/s200k ctx
$270.00/ mo
$9.00 / day · $3285 / yr
Specs & Hardware →
o1 (Reasoning)OpenAI

Advanced mathematics, algorithmic coding, PhD-level scientific logic

$15.00/1M in$60.00/1M out45 t/s200k ctx
$1170.00/ mo
$39.00 / day · $14235 / yr
Specs & Hardware →
Cheapest: Gemini 1.5 Flash
$5.85/moSave $189/mo

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.