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Anthropic · mid

Is Claude Haiku 4.5 good?

Claude Haiku 4.5 has been tested across 22 task areas. It's strongest at frontend & landing pages and weakest at presentations & decks. It's a mid-priced option ($6/1M tokens).

Top-3 finishes
22/22
Task areas tested
$6.0
Per 1M tokens
Slow
Typical speed

Our take

Anthropic: Claude Haiku 4.5 is a mid-tier model that we tested across 22 task areas. It performs best at Product & Project Management, and is weakest at Structured Output.

Strengths

Clarity Concision Grounding no fabrication Prioritisation Tone Faithfulness

Weak spots

Constraint adherence No wrapper text Food quality Appropriate caveats Practical sequencing Timing accuracy

How Claude Haiku 4.5 ranks, task by task

Rank is the position in each field; Rating is the absolute quality bar. A model can be rated "Excellent" yet sit mid-table when the whole field is strong — and vice-versa.

Task area Rank
Frontend & Landing Pages #5 of 93
Creative & Comedy #10 of 44
Product & Project Management #14 of 44
Data & Analytics #25 of 69
Legal & HR #18 of 44
Training & Education #20 of 44
AI Strategy #26 of 50
Executive Assistant #30 of 50
Knowledge & Docs #58 of 94
Translation & Localization #30 of 44
Coding #37 of 52
RAG, Safety & Grounding #25 of 35
Sales #32 of 44
Summarization & Meeting Notes #33 of 44
Content & Brand #38 of 50
Customer Support #33 of 43
Structured Output #34 of 43
Investor & Pitch #44 of 50
Chef / Home Cooking #45 of 50
Landing Pages #53 of 56
Research & Competitive Analysis #42 of 44
Presentations & Decks #44 of 44

Industry benchmarks

Standardized third-party scores, shown for context — these are independent of our real-task tests.

Artificial Analysis indices

29.6
Intelligence
43.9
Coding
16.4
Agentic

Design Arena — human preference (avg Elo 1155)

3d 1151 svg 1083 dataviz 1168 gamedev 1164 website 1166 asciiart 1186 uicomponent 1155 codecategories 1165

Headline vs. real-world

Claude Haiku 4.5's real-world results broadly track its headline Intelligence Index.

Source: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings). (2026-06-29) · Source: Design Arena (www.designarena.ai) via OpenRouter (openrouter.ai/rankings). (2026-06-29)

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Frequently asked

Is Claude Haiku 4.5 any good?

Claude Haiku 4.5 places top-3 in 0 of 22 task areas we benchmarked. It performs best at Frontend & Landing Pages.

What is Claude Haiku 4.5 best at?

Its strongest task areas are Frontend & Landing Pages, Creative & Comedy, Product & Project Management.

Is there a cheaper alternative to Claude Haiku 4.5?

DeepSeek V3.2 is 90% cheaper and stays competitive on quality across our benchmarks.

How we test & rank

Each model is scored on real tasks across 22 task areas by an LLM judge with deterministic checks. "Percentile" is this model's standing within each area's field; the cross-area figures are rank-based so quality and Elo scores are never mixed.

This page is Spring Prompt, running

We just did this for every model. Do it for your prompt.

The rankings above come from running real tasks through real models and scoring every output. Spring Prompt is that same engine — pointed at your prompt, your test cases, and your definition of good.

  • Generate test cases from your prompt — no eval set required to start.
  • Compare models side by side with quality, cost and latency in one matrix.
  • Optimise the winner until the scores say it's ready to ship.
Experiment · Cold outreach email

Prompt × model results

12 test cases · 3 evals
Claude Opus
GPT-5
Gemini
v1
7.1
6.8
7.4
v2
8.3
7.9
8.0
v3
9.2
8.6
8.4
Best combo: v3 × Claude Opus
9.2 quality · $0.004/run · 1.8s