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DeepSeek R1 Distill Qwen 1.5B vs Phi 4 mini reasoning: the real cost to run each

The honest, $0-markup cost to run DeepSeek R1 Distill Qwen 1.5B (deepseek-ai, 1.8B) and Phi 4 mini reasoning (microsoft, 3.8B), side by side — free on your own machine, on your own rented GPU at the vendor's price, or via your own API key.

DeepSeek R1 Distill Qwen 1.5B vs Phi 4 mini reasoning — cost comparison

DeepSeek R1 Distill Qwen 1.5BPhi 4 mini reasoning
Parameters1.8B3.8B
Context window131.1K131.1K
LicenseCommercial OKCommercial OK
VRAM to run✓ ~3.0 GB (Q4_K_M)~6.0 GB (Q4_K_M)
Rent a GPU$0.06/hr$0.06/hr
Your API key✓ $0.11/1M (est.)$0.13/1M (est.)

Which should you pick?

VRAM, size, context and license are facts from the catalog and the shared cost engine; API prices are real where we have them (labeled "est." otherwise). We don't rank model quality or quote benchmarks here.

Full cost breakdown: DeepSeek R1 Distill Qwen 1.5B →
Full cost breakdown: Phi 4 mini reasoning →

Open the free Spanvero advisor → to compare them live for your exact workload and hardware.

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Spanvero · All comparisons · Prices as of 2026-07-06. $0 markup, your own accounts, we never resell compute. © 2026 Cynosure LLC.

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