LiveBench vs LMArena (Arena.ai)

LiveBench is free, with no paid plan attached. LMArena (Arena.ai) is free, with no paid plan attached. Both are listed under Leaderboards & Benchmarks, so this is a like-for-like comparison. Neither is ranked above the other — Flocci carries no sponsored placement.

LiveBench vs LMArena (Arena.ai) — straight answers

LiveBench vs LMArena (Arena.ai): what is the difference?

LiveBench is free, with no paid plan attached and is listed for continuously refreshed questions to avoid benchmark contamination. LMArena (Arena.ai) is free, with no paid plan attached and is listed for crowd-voted 'Battle Mode' blind head-to-head comparisons across text, image, and coding/agent models. Both sit in Leaderboards & Benchmarks.

Is LiveBench or LMArena (Arena.ai) cheaper to start with?

Neither — LiveBench and LMArena (Arena.ai) are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.

Which should I choose, LiveBench or LMArena (Arena.ai)?

Choose LiveBench if you need continuously refreshed questions to avoid benchmark contamination; choose LMArena (Arena.ai) if you need crowd-voted 'Battle Mode' blind head-to-head comparisons across text, image, and coding/agent models. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.

LiveBench compared with LMArena (Arena.ai): pricing tier, category, listed capabilities and links.
 LiveBenchLMArena (Arena.ai)
Pricing tierFreeFree
Free to startYesYes
CategoryAI Models & Local ExecutionAI Models & Local Execution
TypeLeaderboards & BenchmarksLeaderboards & Benchmarks
Listed capabilities
  • Continuously refreshed questions to avoid benchmark contamination
  • Scores across reasoning, coding, math, data analysis and instruction following
  • Open-source code and free leaderboard
  • 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
Tagslivebench, contamination free benchmark, llm leaderboard, live benchmark llmlmarena, arena.ai, llm leaderboard, chatbot arena, blind model comparison, free
Websitelivebench.aiarena.ai
Full pageLiveBench details →LMArena (Arena.ai) details →
AlternativesLiveBench alternatives →LMArena (Arena.ai) alternatives →

Design Arena

Leaderboards & Benchmarks
free
  • Crowdsourced Bradley-Terry (Elo-style) ranking of AI models specifically on design/aesthetic quality, not raw capability
  • Separate leaderboards for Website, UI Component, Game Dev, Data Viz, 3D, Image, Video and Logo generation
  • Real-time rankings from user votes across 140+ countries rather than a fixed static benchmark

Epoch AI

Leaderboards & Benchmarks
free
  • 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
  • Interactive Data Explorers covering 3,200+ tracked models, data centers, chips and companies, free to browse

Open ASR Leaderboard (Hugging Face)

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

SWE-bench

Leaderboards & Benchmarks
free
  • The standard benchmark for evaluating autonomous coding agents on real GitHub issue resolution
  • Multiple official variants (Verified, Multimodal, Multilingual, Lite) for different evaluation needs
  • Companion tooling (SWE-agent, mini-SWE-agent) for running the benchmark yourself, fully open

Artificial Analysis

Leaderboards & Benchmarks
freemium
  • Independent cross-provider benchmarking of intelligence, speed and price for the same model across different hosting APIs
  • Artificial Analysis Intelligence Index aggregates multiple benchmarks into one comparable score
  • Covers coding agents, image/video, speech and vertical (finance/legal/health) evaluations, not just chat