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Claude Haiku 4.5 vs DeepSeek R1

A detailed comparison of Claude Haiku 4.5 (Anthropic) and DeepSeek R1 (DeepSeek) across pricing, performance, and features.

Pricing Comparison

MetricClaude Haiku 4.5DeepSeek R1Difference
Input / 1M tokens$0.80$0.55-31%
Output / 1M tokens$4.00$2.19-45%
Context window200K128K
Max output8.192K64K

Benchmark Comparison

BenchmarkClaude Haiku 4.5DeepSeek R1
MMLU-Pro69.4%84%
HumanEval88.1%92%
GPQA71.5%

Capabilities

CapabilityClaude Haiku 4.5DeepSeek R1
code
reasoning
text
tool-use
vision

Claude Haiku 4.5 Strengths

  • Very fast responses
  • Cheapest Anthropic option
  • Good for classification and extraction

Claude Haiku 4.5 Weaknesses

  • Weakest reasoning in the Claude family
  • Can struggle with nuanced instructions

DeepSeek R1 Strengths

  • Cheapest reasoning model available
  • Strong math and science performance
  • Open-source with off-peak discounts

DeepSeek R1 Weaknesses

  • Slower than non-reasoning models
  • No vision or tool-use
  • China-based — availability concerns

Quick Verdict

Best value: DeepSeek R1 is the more affordable option at $0.55/$2.19 per 1M tokens.

Higher benchmarks: DeepSeek R1 scores higher on average across available benchmarks (82.5% avg).

Larger context: Claude Haiku 4.5 supports 200K tokens.

Choose DeepSeek R1 if cost matters most. Choose Claude Haiku 4.5 if you need the best possible quality for complex tasks.

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