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Claude Opus 4 vs DeepSeek R1: Pricing, Benchmarks & Verdict (2026)

Verdict

DeepSeek R1 is significantly cheaper at $0.55/$2.19 per million tokens vs $15.00/$75.00. Claude Opus 4 is stronger for coding with a coding ELO of 1360 vs 1330. Claude Opus 4 ranks higher overall with an Arena ELO of 1330 vs 1310. Claude Opus 4 offers a larger 200K context window vs 128K.

Side-by-Side Comparison

FeatureClaude Opus 4DeepSeek R1
ProviderAnthropicDeepSeek
Input Price / 1M tokens$15.00$0.550
Output Price / 1M tokens$75.00$2.19
Context Window200K128K
Max Output Tokens32,0008,192
Arena ELO1,3301,310
Coding ELO1,3601,330
TTFT (ms)5001,800
Tokens/sec5045
MultimodalYesNo
JSON ModeYesYes
Function CallingYesNo
VisionYesNo
When to Use Claude Opus 4

Choose Claude Opus 4 when you need: top-tier coding and reasoning, excellent agentic capabilities, strong instruction following, 200k context window. It excels at coding, analysis, agents, complex-reasoning tasks. Its 200K context window is larger, making it better for long-document processing.

Strengths:

  • Top-tier coding and reasoning
  • Excellent agentic capabilities
  • Strong instruction following
  • 200K context window

Best for:

codinganalysisagentscomplex-reasoning
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. It is also the more cost-effective option between the two.

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

Frequently Asked Questions

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