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SWE-bench

The standard benchmark for evaluating autonomous coding agents on real GitHub issue resolution

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What SWE-bench does

  • 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

SWE-bench — straight answers

What is SWE-bench?

SWE-bench is listed under Leaderboards & Benchmarks, in the AI Models & Local Execution category on Flocci AI Tools. The standard benchmark for evaluating autonomous coding agents on real GitHub issue resolution. It is free, with no paid plan attached, and it lives at swebench.com.

Is SWE-bench free?

SWE-bench is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 115 entries on Flocci AI Tools with no upgrade path built in.

What can SWE-bench do?

SWE-bench does 3 things the catalog singles out: 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.

What is the best free alternative to SWE-bench?

Design Arena is the closest free alternative: it sits in the same Leaderboards & Benchmarks sub-category and is free. Epoch AI, LMArena (Arena.ai) and Artificial Analysis also start free. The full list is on the alternatives page.

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SWE-bench alternatives

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LMArena (Arena.ai)

Leaderboards & Benchmarks
free
  • 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
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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
Visit

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
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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
Visit

Ollama

Local LLM Runners
free
  • The default way to run LLMs locally
  • One command to run Llama, Qwen, DeepSeek…
  • OpenAI-compatible local API
  • Free and open-source
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LM Studio

Local LLM Runners
free
  • Polished desktop GUI for local models
  • Discover, download and chat with GGUF models
  • Local server with OpenAI-compatible API
  • Free for personal use
Visit

Head-to-head comparisons

SWE-bench vs LMArena (Arena.ai)SWE-bench vs Artificial AnalysisSWE-bench vs Design ArenaSWE-bench vs Epoch AISWE-bench vs OllamaSWE-bench vs LM Studio