OpenAI: GPT-4o-mini vs DeepSeek: R1 — API Pricing Comparison

OpenAI: GPT-4o-mini is 77% cheaper than DeepSeek: R1 at the same token volume. Data as of 2026-02-27.

OpenAI: GPT-4o-mini

openai

✓ CHEAPER
Total /1M tokens
$0.750
Input $0.150  ·  Output $0.600
Context: 128K tokens
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DeepSeek: R1

deepseek

Total /1M tokens
$3.200
Input $0.700  ·  Output $2.500
Context: 64K tokens
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Monthly Cost Comparison

Monthly usage OpenAI: GPT-4o-mini DeepSeek: R1 Savings with OpenAI: GPT-4o-mini
1M tokens/month$0.75$3.20$2.45
10M tokens/month$7.50$32.00$24.50
100M tokens/month$75.00$320.00$245.00
1B tokens/month$750.00$3,200.00$2,450.00

Use both automatically — let AI decide

StormRouter routes each prompt to the cheapest model that meets your quality requirements.
Use OpenAI: GPT-4o-mini for simple tasks, DeepSeek: R1 only when complexity demands it.

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