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

Verdict

Claude Haiku 4 is significantly cheaper at $0.80/$4.00 per million tokens vs $3.00/$15.00. Grok 3 is stronger for coding with a coding ELO of 1290 vs 1195. Claude Haiku 4 is faster at 130 tokens/sec vs 80 tokens/sec. Grok 3 ranks higher overall with an Arena ELO of 1300 vs 1220. Claude Haiku 4 offers a larger 200K context window vs 128K.

Side-by-Side Comparison

FeatureClaude Haiku 4Grok 3
ProviderAnthropicxAI
Input Price / 1M tokens$0.800$3.00
Output Price / 1M tokens$4.00$15.00
Context Window200K128K
Max Output Tokens8,19216,384
Arena ELO1,2201,300
Coding ELO1,1951,290
TTFT (ms)150300
Tokens/sec13080
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionYesYes
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. It is also the more cost-effective option between the two. 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

Choose Grok 3 when you need: strong benchmark performance, good reasoning capabilities, vision and multimodal support, fast for its capability tier. It excels at general-purpose, reasoning, coding tasks.

Strengths:

  • Strong benchmark performance
  • Good reasoning capabilities
  • Vision and multimodal support
  • Fast for its capability tier

Best for:

general-purposereasoningcoding

Frequently Asked Questions

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