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Live
Leaderboard
Quality & Reasoning
Overall Arena EloPrimary

LMSYS crowd human preference ranking

Coding Elo & SWE-benchCode

Real GitHub issue software solve rate

LiveBench Reasoning

Contamination-free automated tests

GPQA Diamond

PhD-level science & domain knowledge

Text-to-Image LeaderboardArena

FLUX.2, GPT Image 2, Nano Banana, Midjourney

Speed & Token Cost
Throughput (tok/s)Speed

Output generation token rate

Time to First Token (TTFT)

Response latency for voice & chat loops

Output Price ($/1M tokens)

Cost per million generated tokens

Live Pareto Frontier Scatter

Quality vs Cost efficiency boundary

Models
Model Classes
Frontier ModelsProprietary

Opus 4.5, GPT-5, Gemini 2.0 Pro

Open-Weight CatalogApache/MIT

Llama 3.3, DeepSeek, Qwen 2.5

🇨🇳 Chinese LLMsCN

DeepSeek V3, Qwen, GLM-5, MiniMax

Browse All 40+ Models
Top Providers
Anthropic

Claude Opus 4.5, Sonnet 4.5, Haiku

OpenAI

GPT-5, GPT-4.5, GPT-4o, o3

DeepSeek

DeepSeek V3, R1 Reasoning

Google

Gemini 2.0 Pro, Flash, Thinking

Compare
Popular Head-to-Head ShowdownsView all 48+ pairs →
Claude Opus 5 vs GPT-5.6 Sol

Flagship frontier titan duel

Sonnet 5 vs 🇨🇳 DeepSeek V4

East vs West coding favorite

🇨🇳 Qwen3.8 vs 🇺🇸 Llama 4 Scout

Latest open-weights clash

GPT-5.6 Sol vs GPT-5

Generational upgrade (1 step back)

Opus 5 vs Opus 4.5

Anthropic generational delta

🎨 FLUX.2 Max vs GPT Image 2

Text-to-Image frontier leader

Open Interactive Comparison Matrix
Best of & Stacks
Best LLM Lists (2026)
Best Coding LLM

SWE-bench verified repository tests

Best Cheap LLM

Sub-$1/1M token value powerhouses

Fastest Low-Latency LLM

Sub-200ms TTFT for voice & live chat

Claude vs GPT Benchmark

Anthropic vs OpenAI head-to-head

Stack Engine Presets
Cheap Coding Agents

Budget repo bots with high SWE-bench

Lowest-Latency Chat

Fast interactive support loops

Open-Weight Reasoning

Self-hostable reasoning power

Explore All 11 Presets
Research & News
Intelligence & Telemetry
News & Benchmark BriefingsDispatches

Verified model promotions & price shifts

Hourly Benchmark ChangelogLive

Dated ingest audit trail with exact diffs

Evaluation Methodology

Standardized scoring formulas & harnesses

What is Arena Elo?

Understanding blind pairwise human ratings

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CompareLLM
CompareLLM.ai
Precision Benchmarks

Programmatic, dated AI model benchmarks, head-to-head comparisons, and Stack Engine presets.

Daily ingest · 06:00 UTC

Analytics & Benchmarks

  • AI Model Leaderboard
  • Head-to-Head Compare Hub
  • Models Directory
  • Stack Engine Presets
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Guides & Intent Lists

  • Best LLM Lists (2026)
  • Best Coding LLM
  • Best Cheap LLM
  • Fastest Low-Latency LLM
  • Claude vs GPT Benchmark
  • What is Elo?
  • Methodology Guides
  • News & Dispatches

Transparency & API

  • Evaluation Methodology
  • Benchmark Changelog
  • Public JSON API
  • llms.txt Specification
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© 2026 CompareLLM. Public benchmark data aggregated from Arena Elo, LiveBench, SWE-bench & OpenRouter.

Every score has a dated snapshot.

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