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LMArena (Arena.ai)

Crowd-voted 'Battle Mode' blind head-to-head comparisons across text, image, and coding/agent models

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What LMArena (Arena.ai) does

  • Crowd-voted 'Battle Mode' blind head-to-head comparisons across text, image, and coding/agent models
  • The most-cited human-preference leaderboard in the industry, referenced in nearly every model launch announcement
  • Rebranded from LMArena to Arena.ai in 2026, now also covering agent and design-to-code leaderboards

LMArena (Arena.ai) — straight answers

What is LMArena (Arena.ai)?

LMArena (Arena.ai) is listed under Leaderboards & Benchmarks, in the AI Models & Local Execution category on Flocci AI Tools. Crowd-voted 'Battle Mode' blind head-to-head comparisons across text, image, and coding/agent models. It is free, with no paid plan attached, and it lives at arena.ai.

Is LMArena (Arena.ai) free?

LMArena (Arena.ai) is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

Can I use LMArena (Arena.ai) in a browser, or is there an app?

LMArena (Arena.ai) works in a normal browser tab with no install. It is available on the web.

What can LMArena (Arena.ai) do?

LMArena (Arena.ai) does 3 things the catalog singles out: Crowd-voted 'battle mode' blind head-to-head comparisons across text, image, and coding/agent models; the most-cited human-preference leaderboard in the industry, referenced in nearly every model launch announcement; rebranded from lmarena to arena.ai in 2026, now also covering agent and design-to-code leaderboards.

What is the best free alternative to LMArena (Arena.ai)?

Design Arena is the closest free alternative: it sits in the same Leaderboards & Benchmarks sub-category and is free. Epoch AI, LiveBench and Open ASR Leaderboard (Hugging Face) also start free. The full list is on the alternatives page.

See the full list →

LMArena (Arena.ai) alternatives

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Artificial Analysis

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  • Artificial Analysis Intelligence Index aggregates multiple benchmarks into one comparable score
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SWE-bench

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  • The standard benchmark for evaluating autonomous coding agents on real GitHub issue resolution
  • Multiple official variants (Verified, Multimodal, Multilingual, Lite) for different evaluation needs
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Design Arena

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  • Crowdsourced Bradley-Terry (Elo-style) ranking of AI models specifically on design/aesthetic quality, not raw capability
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Epoch AI

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  • Independent, non-vendor research institute tracking AI compute, training cost and capability trends over time
  • Maintains FrontierMath and the Epoch Capabilities Index, benchmarks designed to resist saturation/gaming
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Open ASR Leaderboard (Hugging Face)

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  • Ranks speech-recognition models by word error rate and real-time speed across English and multilingual sets
  • Open, reproducible evaluation code
  • Free to browse
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LiveBench

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  • Continuously refreshed questions to avoid benchmark contamination
  • Scores across reasoning, coding, math, data analysis and instruction following
  • Open-source code and free leaderboard
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Head-to-head comparisons

LMArena (Arena.ai) vs Artificial AnalysisLMArena (Arena.ai) vs SWE-benchLMArena (Arena.ai) vs Design ArenaLMArena (Arena.ai) vs Epoch AILMArena (Arena.ai) vs Open ASR Leaderboard (Hugging Face)LMArena (Arena.ai) vs LiveBench