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Model comparison

Claude 3.5 Haiku vs Claude 3 Haiku

Short answer

Claude 3.5 Haiku scores higher on 3 of the 3 benchmarks both models report; Claude 3 Haiku is cheaper on input tokens ($0.3 vs $0.8 per 1M, 3.2×).

Specs and pricing side by side

SpecClaude 3.5 HaikuClaude 3 Haiku
MakerAnthropicAnthropicsame
Released2024-10-222024-03-13
Context window200K200K tokens
Max output8K4,096 tokens
Input price$0.80$0.25
Output price$4.00$1.25
ParametersUndisclosedUndisclosedsame
LicenseProprietaryProprietarysame
WeightsAPI onlyAPI onlysame
ModalitiesText, VisionText, Visionsame
Knowledge cutoffJul 2024August 2023

Benchmarks both models report

BenchmarkClaude 3.5 HaikuClaude 3 Haiku
HumanEval88.1%75.9%
MATH69.4%38.9%
MGSM85.6%71.7%

Scores are as published by each maker or its cited source; harness, reasoning effort and date can differ between rows, so treat small gaps as ties. Sources are listed on each model page.

Which one should you pick?

Pick Claude 3.5 Haiku if…

  • You care about HumanEval, MATH, MGSM (it scores higher on 3 shared benchmarks).
  • Your use case is: reach for it (historically) when you needed low-latency, low-cost inference for user-facing chat, content moderation, or routing.

Pick Claude 3 Haiku if…

  • Cost matters: input tokens cost 3.2× less ($0.3 vs $0.8 per 1M).
  • Your use case is: high-volume, cost-sensitive tasks like classification, tagging, and content moderation.

FAQ

Which is better, Claude 3.5 Haiku or Claude 3 Haiku?

Claude 3.5 Haiku scores higher on 3 of the 3 benchmarks both models report; Claude 3 Haiku is cheaper on input tokens ($0.3 vs $0.8 per 1M, 3.2×). The better pick depends on whether you value benchmark scores, price per token, context length or openness for your workload.

How much cheaper is Claude 3 Haiku?

Claude 3.5 Haiku: $0.80 input, $4.00 output. Claude 3 Haiku: $0.25 input, $1.25 output (list API prices as published by each maker).

What are the context windows of Claude 3.5 Haiku and Claude 3 Haiku?

Claude 3.5 Haiku offers 200K with up to 8K output; Claude 3 Haiku offers 200K tokens with up to 4,096 tokens output.

Is Claude 3.5 Haiku newer than Claude 3 Haiku?

Claude 3.5 Haiku was released 2024-10-22; Claude 3 Haiku was released 2024-03-13.

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