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Claude Haiku 4 vs Grok 3 Mini: Pricing, Benchmarks & Verdict (2026)

Verdict

Grok 3 Mini is significantly cheaper at $0.30/$0.50 per million tokens vs $0.80/$4.00. Claude Haiku 4 offers a larger 200K context window vs 128K.

Side-by-Side Comparison

FeatureClaude Haiku 4Grok 3 Mini
ProviderAnthropicxAI
Input Price / 1M tokens$1.00$0.300
Output Price / 1M tokens$5.00$0.500
Context Window200K128K
Max Output Tokens8,19216,384
Arena ELO1,2201,220
Coding ELO1,1951,200
TTFT (ms)150180
Tokens/sec130110
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
When to Use Claude Haiku 4

Choose Claude Haiku 4 when you need: very fast response times, 200k context window, affordable for anthropic quality, good instruction following. It excels at chatbots, classification, cost-sensitive, high-volume tasks. Its 200K context window is larger, making it better for long-document processing.

Strengths:

  • Very fast response times
  • 200K context window
  • Affordable for Anthropic quality
  • Good instruction following

Best for:

chatbotsclassificationcost-sensitivehigh-volume
When to Use Grok 3 Mini

Choose Grok 3 Mini when you need: very affordable pricing, fast response times, good for simple tasks, reasoning capabilities at low cost. It excels at chatbots, cost-sensitive, lightweight-tasks tasks. It is also the more cost-effective option between the two.

Strengths:

  • Very affordable pricing
  • Fast response times
  • Good for simple tasks
  • Reasoning capabilities at low cost

Best for:

chatbotscost-sensitivelightweight-tasks

Frequently Asked Questions

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