OpenAI: GPT-4o-mini vs DeepSeek: DeepSeek V3 — API Pricing Comparison
OpenAI: GPT-4o-mini is 38% cheaper than DeepSeek: DeepSeek V3 at the same token volume. Data as of 2026-02-27.
OpenAI: GPT-4o-mini
openai
Total /1M tokens
$0.750Input $0.150 · Output $0.600
Context: 128K tokens
Full details →Context: 128K tokens
DeepSeek: DeepSeek V3
deepseek
Total /1M tokens
$1.210Input $0.320 · Output $0.890
Context: 163K tokens
Full details →Context: 163K tokens
Monthly Cost Comparison
| Monthly usage | OpenAI: GPT-4o-mini | DeepSeek: DeepSeek V3 | Savings with OpenAI: GPT-4o-mini |
|---|---|---|---|
| 1M tokens/month | $0.75 | $1.21 | $0.46 |
| 10M tokens/month | $7.50 | $12.10 | $4.60 |
| 100M tokens/month | $75.00 | $121.00 | $46.00 |
| 1B tokens/month | $750.00 | $1,210.00 | $460.00 |
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: DeepSeek V3 only when complexity demands it.