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DeepSeek R1 vs o3: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare DeepSeek R1 and o3 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureDeepSeek R1o3
ProviderDeepSeekOpenAI
Input Price / 1M tokens$0.700$10.00
Output Price / 1M tokens$2.50$40.00
Context Window
128K
200K
Max Output Tokens
8,192
100,000
Arena ELO
1,310
1,340
Coding ELO
1,330
1,320
TTFT (ms)
1,800
600
Tokens/sec
45
15
MultimodalNoNo
JSON ModeYesYes
Function CallingNoYes
VisionNoNo
When to Use DeepSeek R1

DeepSeek R1 excels at reasoning, math, coding, science tasks.

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 o3

o3 excels at reasoning, coding, math tasks.

Strengths:

  • Highest reasoning capability
  • Best math performance
  • Code execution

Best for:

reasoningcodingmath

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