CompareLLM.ai
Live
Leaderboard
Models
Compare
Best of & Stacks
Research & News
…
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
  • Frontier Models
  • Open Weights Catalog

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
  • Privacy Policy
  • Sign In / Account

© 2026 CompareLLM. Public benchmark data aggregated from Arena Elo, LiveBench, SWE-bench & OpenRouter.

Every score has a dated snapshot.

Theme:
Currency:
Head-to-Head Benchmark Matrix

AI Model Comparisons

Select any two models from our catalog to inspect capability radar percentiles, benchmark deltas, and list-price token cost projections.

Interactive Head-to-Head Builder

Compare Any Two Models Side-by-Side

Select any two models sorted by latest release date to inspect capability radar percentiles, benchmark deltas, and list-price cost projections.

VS

Featured East vs West & Frontier Presets

Click to launch showdown
Frontier Titan ShowdownTop Showdown

🇺🇸 Claude Opus 5 vs 🇺🇸 GPT-5.6 Sol

View Full Comparison
East vs West FrontierCoding

🇺🇸 Sonnet 5 vs 🇨🇳 DeepSeek V4

View Full Comparison
Open-Weights ClashOpen Weights

🇨🇳 Qwen3.8 vs 🇺🇸 Llama 4 Scout

View Full Comparison
Generational Leap (1 Step Back)Generation Upgrade

🇺🇸 GPT-5.6 Sol vs 🇺🇸 GPT-5

View Full Comparison
Anthropic Gen Delta (1 Step Back)Predecessor Battle

🇺🇸 Opus 5 vs 🇺🇸 Opus 4.5

View Full Comparison
Text-to-Image FrontierImage Generation

🎨 FLUX.2 Max vs GPT Image 2

View Full Comparison

Frontier Model Comparisons

Prerendered head-to-head showdowns for top catalog models.

48 indexed pairs
Claude Opus 4.5 vs Claude Opus 4.6Anthropic / Anthropic
Claude Opus 4.5 vs Claude Sonnet 4.5Anthropic / Anthropic
Claude Opus 4.5 vs GPT-5Anthropic / OpenAI
Claude Opus 4.5 vs Gemini 3 ProAnthropic / Google
Claude Opus 4.5 vs Gemini 3 FlashAnthropic / Google
Claude Opus 4.5 vs Grok 4.6Anthropic / xAI
Claude Opus 4.5 vs DeepSeek V4 ProAnthropic / DeepSeek
Claude Opus 4.5 vs Qwen 3 MaxAnthropic / Alibaba
Claude Opus 4.5 vs Llama 4 MaverickAnthropic / Meta
Claude Opus 4.5 vs Kimi K3Anthropic / Moonshot
Claude Opus 4.5 vs Kimi K2.5 MaxAnthropic / Moonshot
Claude Opus 4.5 vs Qwen QwQ 32BAnthropic / Alibaba
Claude Opus 4.5 vs Doubao Pro 1.5Anthropic / ByteDance
Claude Opus 4.5 vs Yi-LightningAnthropic / 01.AI
Claude Opus 4.5 vs OpenAI o3-miniAnthropic / OpenAI
Claude Opus 4.5 vs GPT-4.5 OrionAnthropic / OpenAI
Claude Opus 4.5 vs Gemini 2.0 Flash ThinkingAnthropic / Google
Claude Opus 4.5 vs GLM-5.2Anthropic / Zhipu
Claude Opus 4.5 vs GLM-5V TurboAnthropic / Zhipu
Claude Opus 4.5 vs MiniMax M2.5Anthropic / MiniMax
Claude Opus 4.5 vs Mistral Large 3Anthropic / Mistral
Claude Opus 4.5 vs Claude Opus 5Anthropic / Anthropic
Claude Opus 4.5 vs Claude Fable 5Anthropic / Anthropic
Claude Opus 4.5 vs Claude Opus 4.8Anthropic / Anthropic
Claude Opus 4.5 vs Claude Sonnet 5Anthropic / Anthropic
Claude Opus 4.5 vs GPT-5.6 SolAnthropic / OpenAI
Claude Opus 4.5 vs GPT-5.6 TerraAnthropic / OpenAI
Claude Opus 4.5 vs Gemini 3.6 ProAnthropic / Google
Claude Opus 4.5 vs Gemini 3.6 FlashAnthropic / Google
Claude Opus 4.5 vs Gemini 3.7 FlashAnthropic / Google
Claude Opus 4.5 vs GLM-5.3Anthropic / Zhipu
Claude Opus 4.5 vs DeepSeek V4 FlashAnthropic / DeepSeek
Claude Opus 4.6 vs Claude Sonnet 4.5Anthropic / Anthropic
Claude Opus 4.6 vs GPT-5Anthropic / OpenAI
Claude Opus 4.6 vs Gemini 3 ProAnthropic / Google
Claude Opus 4.6 vs Gemini 3 FlashAnthropic / Google
Claude Opus 4.6 vs Grok 4.6Anthropic / xAI
Claude Opus 4.6 vs DeepSeek V4 ProAnthropic / DeepSeek
Claude Opus 4.6 vs Qwen 3 MaxAnthropic / Alibaba
Claude Opus 4.6 vs Llama 4 MaverickAnthropic / Meta
Claude Opus 4.6 vs Kimi K3Anthropic / Moonshot
Claude Opus 4.6 vs Kimi K2.5 MaxAnthropic / Moonshot
Claude Opus 4.6 vs Qwen QwQ 32BAnthropic / Alibaba
Claude Opus 4.6 vs Doubao Pro 1.5Anthropic / ByteDance
Claude Opus 4.6 vs Yi-LightningAnthropic / 01.AI
Claude Opus 4.6 vs OpenAI o3-miniAnthropic / OpenAI
Claude Opus 4.6 vs GPT-4.5 OrionAnthropic / OpenAI
Claude Opus 4.6 vs Gemini 2.0 Flash ThinkingAnthropic / Google