DeepSeek R1 vs Phi-4: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 20, 2026By LLMversusUpdated June 14, 2026View methodology

⚡ Quick Answer

Phi-4 is significantly cheaper at $0.07/$0.14 per million tokens vs $0.55/$2.19. DeepSeek R1 is stronger for coding with a coding ELO of 1330 vs 1130. Phi-4 is faster at 160 tokens/sec vs 45 tokens/sec. DeepSeek R1 ranks higher overall with an Arena ELO of 1310 vs 1150. DeepSeek R1 offers a larger 128K context window vs 16K.

Updated: April 20, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureDeepSeek R1Phi-4
ProviderDeepSeekMicrosoft
Input Price / 1M tokens$0.500$0.065
Output Price / 1M tokens$2.15$0.140
Context Window
128K
16.384K
Max Output Tokens
8,192
4,096
Arena ELO
1,310
1,150
Coding ELO
1,330
1,130
TTFT (ms)
1,800
100
Tokens/sec
45
160
MultimodalNoNo
JSON ModeYesYes
Function CallingNoNo
VisionNoNo
When to Use DeepSeek R1

Choose DeepSeek R1 when you need: excellent reasoning at a fraction of o3's cost, open-source and self-hostable, top-tier math performance, very competitive with proprietary reasoning models. It excels at reasoning, math, coding, science tasks. Its 128K context window is larger, making it better for long-document processing.

Strengths:

  • Excellent reasoning at a fraction of o3's cost
  • Open-source and self-hostable
  • Top-tier math performance
  • Very competitive with proprietary reasoning models

Best for:

reasoningmathcodingscience
When to Use Phi-4

Choose Phi-4 when you need: ultra-low cost for a capable model, strong math for its size (14b params), very fast inference, can run on consumer hardware. It excels at cost-sensitive, edge-deployment, math, lightweight-tasks tasks. It is also the more cost-effective option between the two.

Strengths:

  • Ultra-low cost for a capable model
  • Strong math for its size (14B params)
  • Very fast inference
  • Can run on consumer hardware

Best for:

cost-sensitiveedge-deploymentmathlightweight-tasks

Frequently Asked Questions

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